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.