Windows 7

Fix: Stop Error : Blue screen : BSOD : unmountable_boot_volume 0x000000ed in Windows 7

After reading this guide you will be able to fix an issue with your Windows 7 computer, where you get a Blue Screen error or BSOD / Stop error at the time of booting.

The error code would look be something like this :

STOP 0x000000ED (0x00000, xxxxxxx, xxxxxxx) UNMOUNTABLE_BOOT_VOLUME

What to know about BSOD, STOP errors:

Click here


What to do when you cannot start Windows at all


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Method 1:

  • Insert your Windows 7 Repair Disc or Installation Disk into the DVD Drive
  • If you do not have a system repair dis, Windows Installation disk will also do
  • If you do not know how to boot from a bootable disk
    • Press Del or F10 or any other key that enters your BIOS
    • Find the boot options
    • Set your DVD drive as the first boot device
    • Save & Exit
  • After booting from the Windows Installation Disc or Repair Disc
  • Click on Repair
  • Select Command prompt
  • type chkdsk drive: /f
  • type chkdsk drive: /r  ( replace drive with your drive letter, example: C: , D: )
  • Let Windows finish checking and repairing your disk.

Refer Screenshot



Method 2

  • You can also use system restore from the above menu to restore your computer to an earlier time

Method 3 : Rebuild your Boot Configuration Data (BCD)

  • Boot from the Windows DVD / USB
  • Click on Repair Your Computer
  • Select your Windows Installation
  • Click Next
  • Click on Command prompt or press Shift + F10
  • type bootrec /rebuildbcd
  • You will get a message saying ” The operation completed successfully”
  • Restart your computer

Method 4

  • If you are a tech savvy person & opening your computer is a part of the fun
  • Open your computer,
  • Take out your hard disk drive
  • Attach it to a external enclosure or plug it into another computer running Windows
  • Go to Computer
  • Check if the drive is shown here
  • Right Click the drive
  • Click on properties
  • Click on Tools
  • Click on check now
  • Check the checkbox that says “ Automatically fix file system errors”
  • Run the scan
  • Plug your hard disk back into the your computer
  • Check if the problem is solved.
Windows 7 Windows Vista Windows XP

Fix: STOP error : BSOD : STOP 0x0000007B INACCESSABLE_BOOT_DEVICE in Windows 7, Vista & XP

After reading this you will be able to solve a STOP error or better known as Blue Screen Error in Windows 7, Vista & Windows XP. The stop error reads “ STOP 0x0000007B INACCESSABLE_BOOT_DEVICE “ . The error code might vary in a few cases, but the solutions remain the same.


  • You updated your BIOS
  • Changed the SATA Mode Option in BIOS to from IDE (SATA ) to AHCI.
  • Hard Disk drive cable connection is loose ( desktop systems )
  • Hard Disk Drive loose from the socket /Port ( Laptop  / portable computers )
  • Bad Hard Disk Drive Connection cable
  • Improper shutdown causes error in hard disk drive
  • Virus or Malicious software has corrupted some files necessary for boot


Windows XP

  • Check the cable / Socket connection / Replace if necessary
  • Boot from the Windows XP CD/DVD
  • Select R when prompted ( Press R to repair )
  • select partition
  • Enter password
  • On the command prompt type chkdsk /f
  • After the disk check is complete
  • type fixboot c:
  • then type fixmbr c:
  • type exit

Note: Make sure your SATA Mode option in BIOS is set to IDE or SATA only & not AHCI

Windows 7 & Vista

  • Run Microsoft Fixit tool
  • fixit
  • Also, do check your hard disk drive connections / cable
  • If you are familiar with computer hardware & think you can take out your hard disk drive, then take it out, plug it in another computer and scan hard disk for errors.
Windows 7

Solve Blue Screen error / BSOD : STOP: 0x0000000A IRQL_NOT_LESS_OR_EQUAL

After reading this post you might be able to resolve the blue screen error you are facing. You are running a Windows based computer system and you face a Blue Screen Error or Stop screen error or BSOD.

If it looks something like this:

Stop: STOP: 0x0000000A (xxxxx, xxxxx, xxxxx, xxxxx)

xxxxx being some other codes/parameters

This particular error is caused by a memory leak issue that happens because of the power manager.

A hotfix is available with Microsoft support for this issue.

To Download hotfix Click here


Source: Microsoft Support

Windows 7 Windows Vista Windows XP

What to Know & do about BSOD ( Blue Screen ) (Black Screen) errors

After Reading this you will be able to know more about

  • Blue/Black Screen Errors
  • To find which error you are dealing with
  • To resolve the error

A Blue Screen or Black Screen error which is also known as BSOD occurs when Windows faces a serious problem & shuts down or restarts your system to protect it from damage. Sometime when you boot back into Windows you get a message that “Windows has recovered from a serious error”.

There can be many different problems associated with both hardware and software that might case a BSOD. But, we cannot troubleshoot these errors if we don’t know what particular problem we are dealing with.

To know which particular error/problem we are dealing with, the first step would be:

To disable automatic system restart on system failure

To do this, Press the F8 key while booting ( just after you press power button on your computer ).

Select the Advanced Startup options (Windows 7) & select Disable Automatic Restart on system failure.

This will restrict windows to not to shutdown/restart when the problem occurs.  At this moment you can note down the error code & more information displayed on your screen: Example screen below:




Both the screen grabs above have highlighted white portions. These are the significant piece of information that you must note down from your BSOD. This will help you narrow down you problem and then solve it.

Once you have the error code & description, search with the error code or search our website for more information on the error code.

Basic Steps to resolve the Blue Screen errors

  • Remove any newly installed hardware & uninstall the driver software associated with it. To uninstall the drivers you can simply remove the hardware first and then boot into safe mode and uninstall them.
  • Remove any newly installed software or antivirus program by logging into safe mode.
  • Use System Restore, to restore your computer to an earlier time when it was working fine. To learn how to use system restore click here.