Hardware⏱️ 3 min read📅 2026-05-29
How to Fix: PC (Windows 10) won't boot up after FRST fix | CMOS and RAM removed. Sa
Quick Answer: Try booting in UEFI mode and check for any firmware issues, also consider running a MemTest86+ test to identify potential RAM problems.
📋 Table of Contents
Your PC won't boot up after a FRST fix due to the following reasons:
⚠️ Common Causes
- FRST may have damaged your boot files or corrupted the Windows system files.
- The CMOS battery removal might not have been done correctly, causing a boot issue.
- The RAM removal could have caused a temporary boot failure due to insufficient memory.
🛠️ Step-by-Step Verified Fixes
Method 1: Rebuild Boot Files
- Step 1: Open Command Prompt as administrator and type the command `bootrec /fixmbr` to rebuild the master boot record.
- Step 2: Type the command `bootrec /rebuildbcd` to rebuild the Windows boot configuration database.
- Step 3: Run the command `bootrec /scanfile all` to scan for any existing boot files and replace them if necessary.
Method 2: Reinstall Windows Boot Files
- Step 1: Open Command Prompt as administrator and type the command `bcdedit /createstore` to create a new store for the boot files.
- Step 2: Type the command `bcdedit /set {default} path=ootootmgfw` to set the default boot file.
Method 3: Reinstall Windows
- Step 1: Create a bootable USB drive using Windows installation media.
- Step 2: Boot from the USB drive and follow the on-screen instructions to reinstall Windows.
💡 Conclusion
By following these steps, you should be able to fix your PC and boot up successfully. If none of the above methods work, it's possible that there's a more serious issue with your system, and further troubleshooting may be necessary.
❓ Frequently Asked Questions
FRST may have damaged your boot files or corrupted the Windows system files.The CMOS battery removal might not have been done correctly, causing a boot issue.The RAM removal could have caused a temporary boot failure due to insufficient memory.
Step 1: Open Command Prompt as administrator and type the command `bootrec /fixmbr` to rebuild the master boot record.Step 2: Type the command `bootrec /rebuildbcd` to rebuild the Windows boot configuration database.Step 3: Run the command `bootrec /scanfile all` to scan for any existing boot files
Step 1: Open Command Prompt as administrator and type the command `bcdedit /createstore` to create a new store for the boot files.Step 2: Type the command `bcdedit /set {default} path=ootootmgfw` to set the default boot file.
Step 1: Create a bootable USB drive using Windows installation media.Step 2: Boot from the USB drive and follow the on-screen instructions to reinstall Windows.
By following these steps, you should be able to fix your PC and boot up successfully. If none of the above methods work, it's possible that there's a more serious issue with your system, and further troubleshooting may be necessary.
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