Dell bios update

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Top 3 Dell BIOS Update Utilities to Update BIOS in Windows 7/8//10

“Hey guys, I have a Dell notebook running Windows Anyway, my problem is that I need to update the BIOS. I download the executable to ‘flash’ update my BIOS from but it crashes. Does somebody know what I can do to update the Dell BIOS?”

-from Tom’s Hardware Forum

BIOS is the acronym that stands for Basic Input Output System. It is the first software your PC loads so that is able to use things like CD drives and keyboards practically from the moment you turn it on. Like OS and driver editions, the BIOS update includes feature enhancements or changes that may help to keep your system software compatible with other systems. What’s more, it offers security support and increases stability.

As for these reasons, we must to know the BIOS utilities and how to update it. In this article, we shall take Dell that is running Windows OS as an example to talk about the top 3 Dell BIOS update utilities and how to update Dell BIOS version in Windows 7/8//

Before updating BIOS, you can check the Dell BIOS version from System Information in Windows by searching the Start Menu.

BIOS version

Top 1 - Dell Driver

We can’t emphasize the importance of updating BIOS too much. The first way to update Dell BIOS is to make use of Dell Driver. Dell Driver is provided by Dell official website.

How to use Dell Driver to update BIOS? The user steps are:

1. First of all, start Dell Windows-based computer and open a web browser on it. Then visit

Then you have to click different buttons based-on your specific situation:

  • Once you’re inquired to “Identify your product”, just to enter your Service Tag or product ID, or to choose “Detect product” button to let the server detects it.
  • If the system shows it is wrong, you might have to tap the tab that says “Choose from all products” to find out the target Service Tag or product ID.
Dell drivers and downloads

2. When the right system is elected, you need to tap on the tab “Find it Myself” and then read the page where it says “Refine your results”. In the scroll-down menu, select BIOS. This will improve the results to show the BIOS category only.

BIOS download find it myself

3. Once there is no less than one file listed, tap on “View details” on the most recent version of the BIOS. After that, tap on “Important Information”.

Note: You need to install an old version before updating to the latest one. You can find the version in the “Important Information” option. To figure out other editions, you can visit

4. Once you are ready to update BIOS, no hesitate to click “Download File” and begin to download and save the file to your Dell computer. When it is downloaded, just double click the icon on your computer desktop.

download Dell drivers

5. Follow the prompt on the screen and then to complete the installation. Click the “Continue” button and then it will reboot your system and perform a BIOS update.

Dell bios flash

Top 2 - BitLocker

Before updating BIOS on Dell PC that has BitLocker enabled, be sure that you suspend BitLocker encryption. If BitLocker is not suspended, the PC won’t accept your BitLocker key when you start it at the next time. In that case, you can only boot it with a recovery key always.

In order to keep away from that disaster, you had better suspend BitLocker before running the BIOS update utility for your Dell machine. Here’s how to use USB to update Dell BIOS:

1. Start your Windows system normally and go to Control Panel > System and Security > BitLocker Driver Encryption.

BitLocker drive encryption

2. Select “Suspend Protection” and confirm it by taping on “Yes”.

suspend BitLocker

 protection is suspended

3. Continue and update the BIOS and then restart your PC. Then resume BitLocker after the restart via clicking “Resume Protection”.

 resume protection

Top 3 - USB Flash Drive

If your Dell system can’t load to Windows but you still have to update BIOS, just download the BIOS file with the use of the other computer and then use a bootable USB flash drive to finish it.

How to update Dell BIOS from USB flash drive? See the guidance as below:

1. Download Dell Diagnostic Distribution Package(DDDP) exe file on from another PC.

2. Copy the file onto the bootable USB flash drive and then insert USB (at least 8GB) to the Dell computer that need to update BIOS.

Note: This will delete all data on the USB memory stick.

3. Restart the PC and press F12 rapidly until you see the DELL logo and the screen shows “Boot Menu”.

start Dell computer

4. Use the arrow keys in the keyboard and choose “USB Storage Device” and press “Return”. The PC will lead to a C:\ hint.

USB storage device

5. Type the full filename such as xxxxx.exe, run it and then type “Return”. The BIOS Update Utility will load just like the below screenshot shows.

DOS BIOS update screen

That’s all the information about these top 3 Dell BIOS update utilities in Windows 7/8// By the way, after updating BIOS version, if you can’t remember login password in Windows system, try to use Windows Password Key to reset or remove it. It supports all Windows operating system including Windows 10//8/7/Vista/XP, etc.

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Millions of Dell PCs can be hacked remotely — here's what you need to know

Severe flaws in more than Dell laptop and desktop models could let hackers remotely take over the machines, security researchers revealed today (June 24). Up to 30 million devices may be affected.

The flaws, four in all, have to do with the BIOSConnect function in the Dell SupportAssist tool built into most recent Dell machines. They permit an attacker with access to the local network to modify a machine's startup firmware (commonly called the BIOS) and take complete control.

As the researchers at Portland, Oregon-based Eclypsium put it in their report, "such an attack would enable adversaries to control the device's boot process and subvert the operating system and higher-layer security controls" — total pwnage, in other words.

Two of the flaws were fixed on the Dell-server side in late May and are no longer a threat. Firmware updates for the other two were made available today and can be downloaded and installed from the Dell website. 

If this sounds a bit familiar, it's similar to a set of BIOS-update flaws disclosed in Dell machines just about six weeks ago. However, those five flaws appear to involve a different update process than the one revealed today.

Dell told ZDNet that the BIOS firmware updates would be automatically installed as long as users had auto-updates turned on. But given that the flaws are in the BIOSConnect automatic-update process itself, you may want to perform the BIOS update manually.

"We recommend that users not use BIOSConnect to perform this firmware update," the Eclypsium report noted.

Eclypsium specializes in finding firmware and hardware flaws and revealed several such flaws in Dell, HP and Lenovo machines in early

Is your Dell machine vulnerable?

First, not all Dell machines are vulnerable to these flaws. Dell counts models that are affected, and they're listed in this Dell security advisory.  

Second, these steps apply only to machines on which you have full administrative rights. If you're dealing with a machine owned or controlled by your workplace, then let your IT staffers handle this. If someone else in your household has admin rights on your machine, let them handle this.

Third, you may need to turn off BitLocker drive encryption if you're running Windows 10 Pro or Enterprise. (Windows 10 Home machines, found on most consumer models, will not have BitLocker installed.) 

Search for "BitLocker" in the search bar in the bottom left corner of the Windows interface, then select "Manage BitLocker" in the search-results page. If the resulting window states that BitLocker is off, then you're all set. If it's on, then suspend BitLocker protection during the driver-update process.

How to update your Dell computer's firmware

Anyhow, if your Dell machine is on the list of vulnerable machines, or you're not sure which model you have, then follow these steps.

1. Browse to the Dell Drivers & Downloads page.

2. Let the page scan your machine to determine its model, provided Dell SupportAssist has already been installed. Alternately, you can plug in the model number or service tag manually and perform a search.

However, if you don't have Dell SupportAssist installed — you'll be able to tell because the Drivers & Download page will bug you to install it — then you are NOT vulnerable to these four specific flaws and you can rest easy and skip all this. 

3. Once the Dell model has been identified, you'll be taken to a model-specific support page that can automatically figure out which drivers you need. You can also manually search for the proper updates by clicking in the Category drop-down menu for BIOS updates.

4. Download the latest BIOS update, then run it. Follow the on-screen instructions to finish the process.

5. You'll probably need to fully reboot the machine for the update to take effect.

Here's a Dell support page with a video walking you through the BIOS update process.

What's going on with these Dell flaws

The problem here is, as is so often the case, a matter of convenience trumping security. 

The BIOS, or more correctly the UEFI system on modern machines, is low-level firmware that lives on a PC's motherboard and kicks into gear as soon as you press the power button. 

The BIOS scans the hard drive or drives to find an operating system, such as Windows, macOS or Linux, that the machine can "boot" into. On most machines, there's only one OS installed and the startup process will continue automatically. If you have more than one OS installed, you can use the BIOS to select the one you want to use, among other things.

BIOS and UEFI firmware is sufficiently complex so that malware can be written for it, and other BIOS modifications can be made to permit unauthorized access to the machine. Since the BIOS/UEFI firmware runs "below" Windows, it's often difficult for Windows programs, such as antivirus software, to detect problems with the BIOS.

A bit too trusting

Like all firmware, the BIOS firmware needs to be updated from time-to-time, and the Dell BIOS-update steps outlined above may not be that easy for many users to perform manually. 

So in order to keep the BIOS on its users' machines up-to-date without having support technicians walk customers through the process, the Dell SupportAssist program has a function called BIOSConnect that automates most of the process. BIOSConnect also lets support techs remotely recover borked machines when they've got customers on the line.

However, each Dell machine has to contact Dell's servers to get the proper BIOS update. And that's where BIOSConnect trips up, because it's too trusting. 

The Eclypsium researchers found that BIOSConnect will connect to servers presenting not just certificates belonging to Dell, but to servers presenting any digital verification certificate that conforms to the same format used by Dell. 

BIOSConnect will assume that it is connecting to Dell servers, but in fact it could be connecting to a completely different server controlled by an attacker.

That attacker could then send a "poisoned" BIOS update to the Dell machine, such as one that was subtly altered to give the attacker permanent access to the machine over the internet. 

The attacker would need to intercept the Dell machine's network traffic via a man-in-the-middle attack in order for this to work. But that's not that difficult to pull off as long as the attacker is on the same local wireless or wired network, such as in an office, hotel, park, coffeeshop or airport waiting lounge. 

The Eclypsium researchers plan to reveal the full details of the flaws and the exploit process at the DEF CON hacker conference in August.

Paul Wagenseil is a senior editor at Tom's Guide focused on security and privacy. That's all he's going to tell you unless you meet him in person.
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30M Dell Devices at Risk for Remote BIOS Attacks, RCE


A high-severity series of four vulnerabilities can allow remote adversaries to gain arbitrary code execution in the pre-boot environment on Dell devices, researchers said. They affect an estimated 30 million individual Dell endpoints worldwide.

According to an analysis from Eclypsium, the bugs affect models of laptops, tablet and desktops, including enterprise and consumer devices, that are protected by Secure Boot. Secure Boot is a security standard aimed at making sure that a device boots using only software that is trusted by the device original equipment manufacturer (OEM), to prevent rogue takeovers.

The bugs allow privileged network adversaries to circumvent Secure Boot protections, control the device&#;s boot process, and subvert the operating system and higher-layer security controls, researchers at Eclypsium said on Thursday. They carry a cumulative CVSS score of out of

Specifically, the issues affect the BIOSConnect feature within Dell SupportAssist (a technical support solution that comes preinstalled on most Windows-based Dell machines). BIOSConnect is used to perform remote OS recoveries or to update the firmware on the device.

&#;Technology vendors of all types are increasingly implementing over-the-air update processes to make it as easy as possible for their customers to keep their firmware up to date and recover from system failures,&#; researchers noted in an analysis. &#;And while this is a valuable option, any vulnerabilities in these processes, such as those we&#;ve seen here in Dell&#;s BIOSConnect, can have serious consequences.&#;

The report noted that the specific vulnerabilities allow an attacker to remotely exploit the UEFI firmware of a host and gain control over the most privileged code on the device.

&#;This combination of remote exploitability and high privileges will likely make remote update functionality an alluring target for attackers in the future,&#; the report concluded.

Insecure TLS Connection: Impersonating Dell

The first vulnerability (CVE) is the beginning of a chain that can lead to remote code execution (RCE).

When BIOSConnect attempts to connect to the backend Dell HTTP server to perform a remote update or recovery, it enables the system&#;s BIOS (the firmware used to perform hardware initialization during the booting process) to reach out to Dell backend services over the internet. Then, it coordinates an update or recovery process.

The issue is that the TLS connection used to connect BIOS to the backend servers will accept any valid wildcard certificate, Eclypsium researchers said. So, an attacker with a privileged network position can intercept that connection, impersonate Dell and deliver attacker-controlled content back to the victim device.

&#;The process of verifying the certificate for is done by first retrieving the DNS record from the hard-coded server , then establishing a connection to [Dell&#;s download site],&#; according to the analysis. &#;However, any valid wildcard certificate issued by any of the built-in Certificate Authorities contained within the BIOSConnect feature in BIOS will satisfy the secure connection condition, and BIOSConnect will proceed to retrieve the relevant files. The bundle of CA root certificates in the BIOS image was sourced from Mozilla&#;s root certificate file (certdata.txt).&#;

Overflow Vulnerabilities Enabling Arbitrary Code Execution

Once this first &#;gatekeeper&#; bug is exploited to deliver malicious content back to the victim machine, attackers then have a choice of three distinct and independent overflow vulnerabilities (CVE, CVE, CVE), any of which can be used to gain pre-boot RCE on the target device, researchers said.

Two of the vulnerabilities affect the OS recovery process, while the third affects the firmware update process, according to Eclypsium, which isn&#;t releasing further technical details yet.

The attack scenario: Click to enlarge. Source: Eclypsium

Any attack scenario would require an attacker to be able to redirect the victim&#;s traffic, such as via a machine-in-the-middle (MITM) attack – something that&#;s not much of a barrier, researchers said.

&#;Machine-in-the-middle attacks are a relatively low bar to sophisticated attackers, with techniques such as ARP spoofing and DNS cache poisoning being well-known and easily automated,&#; according to the report. &#;Additionally, enterprise VPNs and other network devices have become a top target of attackers, and flaws in these devices can allow attackers to redirect traffic. And finally, end-users working from home are increasingly reliant on SOHO networking gear. Vulnerabilities are quite common in these types of consumer-grade networking devices and have been exploited in widespread campaigns.&#;

The groundwork effort to carry out an attack is likely a positive tradeoff for cybercriminals, given that a successful compromise of the BIOS of a device would allow attackers to establish ongoing persistence while controlling the highest privileges on the device. This is because they would control the process of loading the host operating system, and would be able to disable protections in order to remain undetected, the report noted.

&#;The virtually unlimited control over a device that this attack can provide makes the fruit of the labor well worth it for the attacker,&#; Eclypsium researchers said.

Dell Issues Patches

Dell has now pushed out patches for BIOS on all of the affected systems. For details, refer to its advisory.

&#;It is advisable to run the BIOS update executable from the OS after manually checking the hashes against those published by Dell,&#; Eclypsium recommended, rather than relying on BIOSConnect to apply BIOS updates.

This article was updated at a.m. on June 25, to reflect that all patches have now been issued.

Join Threatpost for &#;Tips and Tactics for Better Threat Hunting&#; — a LIVE event on Wed., June 30 at PM ET in partnership with Palo Alto Networks. Learn from Palo Alto&#;s Unit 42 experts the best way to hunt down threats and how to use automation to help. Register HERE for free!


Dell BIOS update with SCCM and Dell Command | Configure

In this guide, I am going to demonstrate how to use System Center Configuration Manager (SCCM) to deploy, update, and lockdown the BIOS on Dell systems using Dell Command | Configure.

Alex Pazik

Alexander specializes in Windows deployments and systems management applications such as System Center Configuration Manager and System Center Operations Manager.

Latest posts by Alex Pazik (see all)

Updating the BIOS on multiple laptops and desktops can be a tiresome task that may just seem easier to do without. However, securing the BIOS can prevent attackers from overwriting or tampering with the OS and ensures your data stays safe.

Please note that this guide only applies to Dell systems. I tested these steps on a Dell OptiPlex SFF (Small Form Factor), Dell OptiPlex SFF, and Dell OptiPlex MT (Mini-Tower). All systems were running Windows 7 Professional x64 and Windows 10 Pro x I cannot guarantee this guide will work with Windows Vista or Windows XP.

Before we get started, you are going to need the following tools installed on your workstation:

  • System Center Configuration Manager R2 Admin Console
  • Dell Command | Configure Toolkit (Download)

First, download the latest BIOS revisions for each of the models deployed throughout your organization from Dell's support website. Create a new folder in which you will place the downloaded revisions. For this guide, I will be saving all necessary files to the following location:


BIOS repository

BIOS repository

I have created separate folders for each model. If you download multiple revisions for one model, I suggest you come up with a naming convention so you don't have multiple separate directories to hold one revision. For this guide, I will be using the following naming convention:

OA15 | O = OptiPlex (Family), = (Model), - A15 = (BIOS Revision)

Next, launch the Dell Command | Configure Toolkit Wizard. Although you can configure separate packages for each model in your organization, I recommend creating a multiplatform package that will work with all models. I have never had any issues creating a multiplatform package that works with different Dell models, even those manufactured as late as With that in mind, select the Create Multiplatform Package tab and configure the package options.

Dell Command | Configure Toolkit

Dell Command | Configure Toolkit

For this guide, I have configured the following options:

My configuration

My configuration

When you are satisfied with your configuration, export your package as a .CCTK (Client Configuration Toolkit) file using the EXPORT CONFIG button and save it to a location SCCM can access. For this guide, I will be saving my configuration to the following location:


Once you save your configuration, navigate to "C:\Program Files (x86)\Dell\Command Configure" and copy the contents of the folder "X86_64" to a location SCCM can access. You will be importing the directory to which you copy these files as a package in SCCM. For this guide, I will be copying these files to the following location:


Note your configuration file and the contents from the "X86_64" folder must be accessible through the same package in SCCM. This is because you need Dell's CCTK executable to apply your configuration.

CCTK folder structure

CCTK folder structure

Now we are ready to create the task sequence that will push the BIOS configuration. The toolkit will deploy this task sequence as a required advertisement and will also flash any BIOS updates needed using the revisions you downloaded earlier.

Open the Configuration Manager Admin Console and navigate to the Software Library applet. Expand the Application Management node and click on the Packages applet. Create a new package using the Dell CCTK folder you just created, but do not create a program or add any requirements.

Dell Command | Configure Toolkit package

Dell Command | Configure Toolkit package

When you are finished creating the package, distribute it to the necessary distribution points. Now we need to import the BIOS revisions downloaded earlier into SCCM. Create a package for each model you wish to deploy BIOS updates to, but do not create a program or add any requirements.

Dell OptiPlex BIOS revisions

Dell OptiPlex BIOS revisions

After creating your packages, you can distribute them to the necessary distribution points. When you add a new revision to the source folder, you will need to update your distribution points to push the revision out to clients.

All BIOS revision packages

All BIOS revision packages

Finally, we are going to create the task sequence that will push your BIOS configuration and any needed updates.

Expand the Operating Systems node and click on the Task Sequences applet. Create a new custom task sequence, and specify a name and boot image to use.

Create task sequence wizard

Create task sequence wizard

When you are done, click Close to exit the New Custom Task Sequence Wizard. Open your newly created task sequence and create a new group called "Apply BIOS Updates." Add a new step to Run Command Line and configure the step as shown below:

Install HAPI driver properties

Install HAPI driver properties

Install HAPI driver options

Install HAPI driver options

Note you do not need to specify the BIOS password to install the HAPI driver. The next step in the task sequence will clear the password before applying any updates or configurations. Add another step to Run Command Line and configure the step as shown below:

Clear BIOS password properties

Clear BIOS password properties

Clear BIOS password options

Clear BIOS password options

Note that this is the only step where we will tell the task sequence to continue on error, as new machines will not have a password set in the BIOS. Make sure the value you set for "‑valsetuppwd" is your current administrator password and that you've typed it correctly, otherwise your task sequence will fail. Add another step to Run Command Line and configure the step as shown below:

Flash BIOS OptiPlex properties

Flash BIOS OptiPlex properties

Take note of the following parameters:

  • OAexe – Name of the executable located in the package source folder.
  • /s – Switch to run the executable silently.
  • /r – Switch to force a system restart. If this switch is not present, the flash with fail and generate error code 2.
  • /l=C:\Temp\O_Alog – Switch to generate a log file from the executable.
Flash BIOS Dell OptiPlex options

Flash BIOS Dell OptiPlex options

Make sure to point the step to the package that contains the executable you wish to run. Repeat this process for every model to which you wish to deploy BIOS updates. If you add a new revision, you will need to update the executable name and WMI queries as needed. It seems that newer Dell models such as the OptiPlex do not use A01, A02, etc. as their BIOS revisions but just numbers instead (1, , etc.). Pay close attention when entering your WMI query for the "SMBIOSBIOSVersion" property. When you are done, add a new group called "Apply BIOS Configuration" and add another step to Run Command Line. Configure the step as shown below:

Lockdown BIOS all systems properties

Lockdown BIOS all systems properties

Lockdown BIOS all systems options

Lockdown BIOS all systems options

Unlike the previous steps in the task sequence, this step will run if any of the conditions are true. In this case, if any models match the model on which this task sequence is running, the step will apply the BIOS configuration. You will need to add a WMI query for each model in your organization. Finally, add one more step to Run Command Line and configure the step as shown below:

Set BIOS password properties

Set BIOS password properties

Set BIOS password options

Set BIOS password options

Close the task sequence when you've finished configuring the last step. Finally, we are going to deploy the task sequence to a device collection. Right-click on the task sequence and click Deploy. Choose a collection to deploy the task sequence to and click Next. Choose Required as the purpose and make the advertisement available only to Configuration Manager clients. When specifying the deployment schedule, keep in mind the task sequence will force a reboot on the machine. For this reason, I have chosen to deploy the task sequence at PM.

Run at PM

Run at PM

Since we do not need to modify any other settings past this point, keep clicking Next until you finish the Deploy Software Wizard. Depending on the time at which you specified your deployment to become available, you will be able to see the task sequence start to run.

Install HAPI driver action

Install HAPI driver action

Flash BIOS Dell OptiPlex action

Flash BIOS Dell OptiPlex action

Lockdown BIOS all systems

Lockdown BIOS all systems

To confirm the task sequence successfully applied your BIOS configuration, check the directory you specified for the CCTK log file to see the changes that took place. If an option is not applicable to a certain model, the CCTK executable will flag it accordingly.

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CCTK log

CCTK log



Bios update dell

Flashing the BIOS

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Dell&#; Inspiron&#;

NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.
  1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

NOTE: If you use a BIOS update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.
  1. Insert the BIOS update program CD, and turn on the computer.

NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.

Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the computer will automatically reboot.

  1. Press <F2> during POST to enter the system setup program.

  2. Press <Alt> and <f> to reset the computer defaults.

  3. Press <Esc>, select Save changes and reboot, and press <Enter> to save configuration changes.

  4. Remove the flash BIOS update program CD from the drive and restart the computer.

Back to Contents Page


Dell laptop bios update Bangla tips

Dell Inspiron 15R N Laptop Bios update

Dell Inspiron 15R N Laptop Bios update for windows 7 8 10

Dell Inspiron 15R N Laptop Bios update for windows 7 8 10

Warning: Do not turn off your Laptop or disconnect from your power source while updating the BIOS or you may harm your Laptop. During the update, your computer will restart and you will briefly see a black screen.

bios file Installation (via Win Zip) with bios.exe File for Dell Inspiron 15R N Laptop Bios update .EXE

Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS Download

1.Click Dell Inspiron 15R N System BIOS Download from below link to download the Dell Inspiron N System BIOS setup file.
2.When the bios File Download window opens, click Save the file to disk and click OK.
3.From the file Save In: field, click the down arrow then click to
select Desktop and click Save. The bios file will download to your desktop.
4.After the bios file, Download Complete window appears, click Close. The setup file
icon will be  on your desktop.

Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS update for windows 8 10 Download ( MB)

Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS A03 update for windows 8 10 Download ( MB)

Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS update for windows 7 Download ( MB)

Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS A03 update for windows 7 Download ( MB)


1.Double-click the new icon on the desktop mark Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS.EXE.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:DELLDRIVERS create a folder and name it as bios folder. open this path to access application setup

3.After finishing the Dell Inspiron 15R N Laptop Dell Inspiron N System BIOS extraction, if the self Extractor
window is still open, close it.
4.browse for C:DELLDRIVERS bios folder. the folder inside audio driver folder the setup to began the installation
7.Follow the on-screen installation instructions finish .

See all drivers for this Laptop

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Now discussing:

What Should I Do If Dell BIOS Update Failed? [Partition Manager]

Summary :

Dell BIOS update failed

Are you using Dell PCs? Sometimes you may need to update the BIOS for better PC performance, security, and compatibility. However, it's possible that the BIOS update process will fail. In this post, MiniTool Partition Wizard tells you how to fix the Dell BIOS update failed issue.

Dell BIOS Update Failed

I try to update the BIOS of my Latitude 2in1 from to the current but it fails whichever procedure I'm following. The display always shows "Updating your firmware. Do not power down your system" followed by "Firmware Update failed. Rebooting your system." -- Dell community

BIOS is a set of programs stored in the ROM chip on motherboard. It runs before the PC enters OS, and provides the bottom-layer and direct hardware settings and control for the computer. Updating BIOS can fix bugs, improve hardware compatibility, PC performance, security, and stability.

Nowadays, BIOS update process could be very easy. But sometimes, the BIOS update may fail for various reasons. Some people report that they have encountered Dell BIOS update failed issue. Then, how to fix this problem?

How To Check & Update BIOS On The Dell Computer

How to Fix Dell BIOS Update Failed Issue

When Dell BIOS update failed, there may be 2 cases:

  1. Dell BIOS update failed issue doesn't damage the PC and the PC can run normally.
  2. Dell BIOS update failed due to power failure or other reasons. This will make the PC unbootable.

If your Dell BIOS update failed, you can try the following methods to fix this issue.

Fix 1. Install BIOS in Order

This method is only suitable for Case 1. Some people report that this method has fixed their Dell BIOS update failed. When they update the BIOS, they don't install the latest BIOS version directly. Instead, they install the BIOS in order, until they have installed the latest one.

Fix 2. Update BIOS Using USB Drive

If the Dell BIOS update failed, you can try updating the BIOS from USB drive. Some people report that this method has fixed the Dell BIOS update failed issue. Here is the guide:

  • Create a bootable USB drive. Because the BIOS file is an executable file, it must run under an OS. To create a bootable USB drive, you can use Dell Diagnostic Deployment Package (DDDP) or other tools like Rufus and so on.
  • Download the correct BIOS file suitable for the Dell PC model and place the file into the USB drive. In this step, you should note down the name of the executable BIOS file for future use.
  • Power off the Dell PC and connect the USB drive to the PC.
  • Restart the Dell PC and then press F12 when the Dell logo screen appears. This will open the boot menu.
  • Choose USB Storage Device as the one-off boot device and then press Enter.
  • If the OS on the USB drive has Graphical User Interface, you can double-click the BIOS file to update BIOS. If not, you should type the BIOS file name (xxx.exe) in the command prompt window and press Enter to run it.

Why and How to Make Dell Boot from USB? Here Is the Tutorial

Fix 3. Recover BIOS

If the BIOS becomes corrupt and PC won't boot up, you can try recovering BIOS. Here is the guide:

  • Restart Dell PC.
  • Press Ctrl key + Esc key until the BIOS Recovery screen appears.
  • Release the Ctrl key + Esc key.
  • In the BIOS Recovery screen, choose Reset NVRAM and press Enter.
  • Choose Disabled and press Enter to save current BIOS settings.
  • Choose Recovery BIOS and press Enter to begin the repairing process.
pc not booting after bios update thumbnail

Solved: PC Not Booting After BIOS Update – Recovery & Repair

Many people point out the same problem - PC not booting after BIOS update. Here, I’d like to share the recovery and repair solutions to it.

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Position: Columnist

Author Linda has been working as an editor at MiniTool for 1 year. As a fresh man in IT field, she is curious about computer knowledge and learns it crazily. Maybe due to this point, her articles are simple and easy to understand. Even people who do not understand computer can gain something.

By the way, her special focuses are data recovery, partition management, disk clone, and OS migration.


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