FIXED: PC Won't Boot After BIOS Updateūü•áūü•á

Jerry updated on Sep 08, 2023 | Home >Computer Instruction

Updating BIOS can help provide the latest support to your motherboard and chipset. In addition, it allows you to access previously unlocked options, give stability to your hardware, add newer RAM compatibility, etc. Therefore, updating BIOS can be a solution to hardware issues. But sometimes, your PC won't boot after BIOS update. This article from EaseUS will tell you how to fix the PC not booting after BIOS update error. Let's get started.

Why Is the Computer Not Booting After BIOS Update

PC not booting after BIOS update is very frustrating. During this error, the system fails to load startup files. All you see is an idle black screen or an infinite loop with no progress. The issue has been mostly found in Dell and MSI computers and laptops. And the most possible reasons for this are that your BIOS is not updated correctly or the BIOS update process was interrupted.

computer not booting after bios update

There are plenty of reasons for a system not booting after a BIOS update:

  • An unsuccessful/interrupted boot update
  • Incorrect BIOS configuration
  • Unsupported BIOS version ¬†
  • Corrupted Windows operating system
  • Motherboard issues

All these problems can cause boot issues. In severe cases, it can result in data loss and bricking of your motherboard, which is beyond any repair. That's why whenever this fault appears, you should look for solutions immediately.

Some computer users also reported that their computer is on a black screen after the BIOS update. If you are in such a dilemma, you can refer to the following article for help.

black screen after bios update

(Solved!) Black Screen After BIOS Update - EaseUS

This article discusses 8 free and simple ways to help you solve the black screen after a BIOS update. When you experience this problem, you can refer to this article. Read more >>

How to Fix Windows Won't Boot After BIOS Update

After knowing the specific reasons why your computer won't start after BIOS update, it is time to learn how to fix it. If your Windows doesn't boot after a BIOS update, you can try the following fixes:

  1. Fix 1. Reset CMOS
  2. Fix 2. Reflash BIOS Update
  3. Fix 3. Boot into Safe Mode
  4. Fix 4. Perform Startup/Automatic Repair
  5. Fix 5. Reset BIOS to Default
  6. Fix 6. Rebuild MBR or BCD

Fix 1. Reset CMOS

The boot configuration is stored using the CMOS Battery. The CMOS keeps hard disk configurations intact after each boot. Any malfunction or changes in CMOS directly affect Windows startup. Therefore, whenever you face booting issues, the first remedy is to reset the CMOS battery. This is the procedure to reset CMOS.

Step 1. Shut down your PC and unplug the power cable.

Step 2. Press and hold the power button for 60 seconds to discharge your PC.

discharge your PC

Step 3. Open the PC Casing and remove the CMOS battery. It is generally of 3V.

Step 4. Wait for minutes and reinstall it. The battery would reset.

Step 5. Turn on your system and see the results. If the system boots normally, the problem has been solved.

Fix 2. Reflash BIOS Update

The flashing of BIOS means replacing an existing BIOS with a new one. If the updated BIOS is corrupted or damaged, you can always replace it with a more compatible version. This time you should make sure the BIOS version is correct and the flashing doesn't get interrupted.

There are 2 articles about how to update BIOS, which can help you flash BIOS easily and quickly.

Fix 3. Boot into Safe Mode

Windows safe mode enables the system to operate with basic drivers. Since the booting problems occur due to changes in BIOS or motherboard, you can bypass it by booting into Safe Mode. In this way, the BIOS can repair itself as well. Follow these steps to boot into Safe Mode.

Step 1. Insert a bootable flash and restart your PC.

Step 2. Press F8 during restart to access the boot menu.

Step 3. In the boot menu, change the boot order to start with the inserted flash.

Step 4. The loading for installation will start. Select your preference and press the Next button.

Step 5. Now choose the Repair your computer option.

click Repair your computer

Step 6. Select Troubleshoot> Advanced Options > Startup settings.

click Troubleshoot

Step 7. Press F4 to restart in safe mode. The system will boot into Safe mode.

press F4 to restart in the safe mode

Fix 4. Perform Startup/Automatic Repair

Windows has a built-in startup repair mechanism to resolve boot issues. It can detect and repair damaged or broken files. You can use this feature to resolve all booting problems after the BIOS update. You may need to create Windows 10 installation media and then perform Startup Repair. This is the stepwise method for it.

Step 1. Insert a bootable flash and restart the system.

Step 2. Press F8 to access the boot menu and change the boot order.

Step 3. Start the installation, choose your preferences, and press the Next Button.

Step 4. Select Repair your computer > Troubleshoot > Advanced options.

select Repair your computer

Step 5.  In the advanced options, select automatic/startup repair.

select Startup Repair

Step 6. Follow the instructions, and the repair will start. Once it is completed, restart the system.

Fix 5. Reset BIOS to Default

If the BIOS update is from an unauthentic source, it is likely to contain malware or viruses. In such cases, the easiest way is to reset BIOS to default settings. It takes care of all changes causing start-up problems. Follow the guidelines below to reset BIOS to default.

Step 1. Turn off your PC, wait for a few seconds, and then restart it.

Step 2. Press F10 numerous times during startup to access the BIOS startup menu.

Step 3. In the menu, press F9 to select and load default BIOS Settings.

BIOS settings

Step 4. Again, Press F10 to save these changes.

Step 5. Choose Yes when the system asks to save these changes.

Step 6. Restart the system to see if the error has been resolved.

Fix 6. Rebuild MBR or BCD

Master Boot Record is the information stored in the first half of a hard disk.  It identifies where the operating system is located for booting. Any damage to MBR doesn't allow the operating system to load. So, it is essential to rebuild MBR or BCD for a normal boot. This is how you can rebuild MBR.

Step 1. Boot the system and press F8 to access the Windows Recovery menu.

Step 2. Then choose advanced> command prompt and type the following:

type the commands

  • bootrec/RebuildBCD
  • bootrec/fixMbr
  • bootrec/fixboot

Step 4. After that, the system will start working.

Step 4. Now reboot the system and check the status of the error.

Step 5. If the above steps don't fix the issue, write bootsect/nt60 SYS or bootsect/nt60 All. It will remove all remaining MBR errors.

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Bonus Tip: Always Backup Computer to Avoid Data Loss

Errors like "computer won't boot after BIOS update" are a constant occurrence in the tech world.  They pose a serious threat to the functionality and data security of your personal computers.

Since the modern world is all about data, you should always back up your computer to avoid any personal, professional, and educational data loss. For this purpose, we recommend you use professional backup software - EaseUS Todo Backup, an award-winning data security tool.

EaseUS Todo Backup Home offers one-click backup with instant recovery options. You can back up your systems,  files, computer apps, etc., and back up multiple hard drives. In case of an unwanted system failure, it offers system image recovery, bootable recovery, and disaster recovery options. All the data can be accessed via a USB drive or a Cloud backup. There are some key features of this backup software.

EaseUS Todo Backup Home

  Free Download

Support Windows 11/10/8/7

EaseUS Todo Backup can meet all your needs for protecting your computer or data. Feel safe and free to download and use it. Here is how to back up your computer using EaseUS Todo Backup.

Step 1. Launch EaseUS Todo Backup on your computer, and click Create Backup on the home screen and then hit the big question mark to select backup contents.

backup outlook mail step1

Step 2. To back up your Windows operating system, click "OS" to begin the backup task.

backup outlook mail step2

Step 3. Your Windows operating system information and all system related files and partitions will be automatically selected so you don't need to do any manual selection at this step. Next, you'll need to choose a location to save the system image backup by clicking the illustrated area.

system backup

Step 4. The backup location can be another local drive on your computer, an external hard drive, network, cloud or NAS. Generally, we recommend you use an external physical drive or cloud to preserve the system backup files. 

backup outlook mail step4

Step 5. Customiztion settings like enabling an automatic backup schedule in daily, weekly, monthly, or upon an event, and making a differential and incremental backup are available in the Options button if you're interested. Click "Backup Now", and the Windows system backup process will begin. The completed backup task will display on the left side in a card style.

backup outlook mail step 5

The Final Thought

"PC won't boot after BIOS update" is a common problem in modern computers. During the error, the startup fails to load, and the system shows an idle black screen with no progress. It happens due to unsuccessful boot updates, incorrect BIOS configuration, corrupted operating system, and motherboard issues.

This article presents 6 fixes to resolve the PC won't boot after the BIOS update problem. The description, steps, and pictorial images of each method have been given for your understanding. To avoid any data loss during this problem, we recommend you use EaseUS Todo Backup. Download it now and make your data 100% secure.

  Free Download

Support Windows 11/10/8/7

FAQs on PC Won't Boot After BIOS Update

These are the most frequently asked questions on the "PC Won't boot after BIOS update‚ÄĚ

1. Why is my laptop stuck on a black screen after a BIOS update?

That means your PC isn't booting after the BIOS update. There is an issue with start-up files. It can be due to unsuccessful BIOS updates, corrupted windows, and motherboard issues.

2. Why does my computer keep booting to BIOS after BIOS update?

It is because the BIOS update hasn't been successful. The primary reason for it is the incorrect boot order, which you should immediately rectify. It can also occur due to plug-in drives, CMOS batteries, and corrupted BIOS software.

3. Do I need to restart after BIOS update?

Yes, you should restart your system after completing the BIOS update. After the restart, you should confirm if the changes have been made.

4. What happens if a BIOS update goes wrong?

When a BIOS update goes wrong, the system fails to load startup files. The display shows a black screen or an infinite loop with no end. You can neither access any file nor do any operation. 

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Updated by Jerry

"I hope my articles can help solve your technical problems. If you are interested in other articles, you can check the articles at the bottom of this page, and you can also check my Facebook to get additional help."

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