How to fix
I01 Initialization failed BSOD
on Windows

So my PC worked fine yesterday and today when I tried to turn it on, I was instantly met with I01 Initialization failed BSOD. What is going on? Can you give me some tips on what to do next?

Have you encountered an I01 Initialization Failed Blue Screen of Death on Windows? Initially, it might appear daunting, but there is no need to panic right away - there are specific actions you can implement to resolve the issue. This particular error commonly points to an issue occurring during the Windows startup phase, often related to either hardware or software.

What's causing this error?

The I01 Initialization Failed BSOD can show up for a few reasons:

• Problematic hardware. Maybe you’ve added some new hardware to your system that isn’t playing nice with your existing setup.
• Driver issues. Outdated or corrupted drivers can cause big problems. Drivers are what let your hardware and software communicate smoothly.
• Corrupted system files. Sometimes, important files that Windows needs to run can get damaged. This can throw a wrench in your system’s startup process.

Why this is a big deal

When this BSOD shows up, Windows stops everything to prevent damage to your computer. This means you can’t use your PC until the issue is fixed, and you might lose unsaved work. However, this stopping is actually Windows trying to protect your system from bigger problems.

How to tackle this problem

To fix the I01 Initialization failed BSOD, you should examine your hardware, update drivers, and repair any damaged system files. To help you with this process, we prepared detailed instructions which you will find below.

Encountering an I01 Initialization Failed BSOD can be distressing, but it is not a permanent setback. Through troubleshooting, you have the ability to resolve the issue. If you feel uncertain about handling it on your own, employing a professional repair tool like [d1] is a viable option.

Fix 1. Run Windows in Safe Mode

If you can't access Windows normally, you should go for Safe Mode, which should bypass the BSOD for now. If not, refer to fix no. 8 to reinstall Windows.

• Restart your computer.
• Once Windows starts booting, press the Power button, interrupting the loading process - do this two more times.
• After that, Windows will automatically enter Advanced Startup mode.
• Select Troubleshoot > Advanced options > Startup Settings and Restart.
• After a reboot, pick either 4/F4 for Safe Mode or 5/F5 for Safe Mode with Networking.

Note: in the Advanced options menu as described below, you could also try using other commands, such as Startup Repair, using Command Prompt to perform the steps described below, or perform System Restore.

Fix 2. Update system drivers

• Right-click on the Start button and select Device Manager from the menu.
• Expand the section you want to update, for example, the Display adapters section.
• Right-click on your device and select Update driver.
• Pick Search automatically for drivers.
• If updates are found, allow them to install.
• Repeat this for other devices, such as network adapters and chipset drivers.
• Restart your computer after updating all necessary drivers.

For all your driver needs, we recommend employing an automatic driver updater [rev id="DriverFix"], which will save you a lot of time.

Fix 3. Repair corrupted system files

• Type cmd in Windows search.
• Right-click on Command Prompt and pick Run as administrator.
• When User Account Control shows up, click Yes.
• Use the following command lines, pressing Enter after each:
  sfc /scannow
• The System File Checker will now scan your system for any corrupted or missing files and try to repair them.
• After the scan is done, copy the following commands and press Enter:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth
• When completed, restart your PC.

Fix 4. Use System Restore

• Type in Create a Restore point in Windows search and hit Enter.
• In the System Protection tab, pick System restore.
• Click Next.
• Click Show more restore points (if available).
• Pick the time before the problem occurred and click Next.
• Your computer will restart.

Fix 5. Repair MBR

• Open Command Prompt as administrator.
• In Command Prompt, type the following commands and press Enter each time (wait for every command to execute):
  CHKDSK /f /r /b
  Bootrec /Scanos 
  Bootrec /Rebuildbcd
  Bootrec /Fixmbr
  Bootrec /Fixboot
• Restart your computer.

Fix 6. Check your RAM

• Type Memory in Windows search and select Windows Memory Diagnostic result.
• Choose Restart now and check for problems (recommended).
• Let the tool run and complete the memory check.
• Review the results for any errors.

Fix 7. Reinstall Windows

If all else fails, reinstalling Windows can provide a fresh start for your system. Make sure you back up your personal files, disconnect all unnecessary devices (just leaving the mouse and keyboard), and uninstall any third-party security apps before proceeding.

Create Windows ISO

• Download Windows 11 Installation media from the official Microsoft website. [Windows 10 version]
• Double-click the MediaCreationTool.exe file to launch it.
• When UAC shows up, click Yes.
• Accept license terms.
• Select Language and Edition (make sure it matches the one you have currently installed) or simply mark the Use the recommended options for this PC and click Next).
• Select the ISO file and click Next.
• Pick the location for your ISO file and wait till all the needed files are downloaded, then click Finish.

Repair-install Windows

• Mount your USB drive with Windows ISO in it.
• If you can't boot to Windows access BIOS and make it mount via the USB drive.
• Go to the location of your ISO file, right-click, and select Mount.
• Run the setup.exe file.
• You will be asked whether you want to update Windows to the latest version - pick Not right now and click Next.
• Accept Terms and Windows will make several checks to ensure everything is fine.
• Click Change what to keep.
• Here, you have several options: Keep your files and apps, Keep files only, or Keep nothing - choose what suits you the best. Click Next.
• Finally, click Install to begin the installation process.