Skip navigation

JSI Tip 0931. Windows NT won't boot: "Boot record signature AA55 not found...".

If you installed Winows NT on a large HD, and the WinNT partition starts above 4GB, you may receive:

   Boot record signature AA55 not found (25EB found) Windows NT could not
   start because of a computer disk hardware configuration problem. Could
   not read from the selected boot disk. Check boot path and disk hardware.
   Please check the Windows NT documentation about hardware disk
   configuration and your hardware reference manuals for additional
Use another operating system (or an alternate boot) to edit c:\boot.ini and change the multi() syntax to the scsi() to defeat the miscalculation error in the multi() code.
Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.