Personal Computer Fixes

Computer Won’t Boot: an Easy Fix

Blue-Screen-KMODE_EXCEPTION_NOT_HANDLED

So your computer won’t boot. This can happen for a number of reasons. In this post we’ll have a look at the most common causes of a failing to boot PC and provide and easy fix.

Why Won’t My Computer Boot?

This can happen because:

  • There is no bootable device
  • NTLDR is corruptedĀ orĀ missing
  • Ntoskrnl.exe is missing or damaged
  • Ntdetect.com is missing or damaged
  • BOOTMGR is missing or corrupted
  • NTFS.SYS is missing or damaged
  • Hal.dll is missing or damaged

How to Fix a PC that Won’t Boot

And now let’s fix your stubborn computer.

The first thing you should do is try to boot Windows from your installation or recovery DVD. To do that, enter the boot disc and press any key to start booting from there. Now wait for the disc to load. Depending on the DVD you used, you will get an option to either simply continue or repair your computer. Wait for the disc to check your configuration and then select the Windows installation you want to repair.

You will then be taken to the system recovery screen where you need to select Startup Repair. This will try to fix your system automatically. In most cases, you will succeed. But if not, select the Command Prompt and proceed.

In the Command Prompt, enter this:

bootrec.exe /FixMbr

and hit Enter. You should get a message saying that the operation was successful. This means that your problem is fixed and your computer will boot normally from now on.

» Download Windows Repair Tool

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