1. Windows Central Question's Avatar
    after upgrade to windows 10 it is not starting up ..it is in never ending loops of restart .it shows inaccessible boot device..

    what to do now?help plz
    08-09-2015 10:03 PM
  2. Claude Pichot's Avatar
    Make a restart and keep f8 on till end.

    It work for me and I never had the problem again.
    08-11-2015 12:27 AM
  3. carraig's Avatar
    In BIOS, try change your SATA controller mode from IDE to AHCI... or, from AHCI to IDE.
    08-11-2015 05:25 AM
  4. excalibur1814's Avatar
    In BIOS, try change your SATA controller mode from IDE to AHCI... or, from AHCI to IDE.

    That will probably end with a blue screen and a complete re-install of windows.

    OP: Can you press F8 at all? Enter Safe mode etc
    08-11-2015 06:57 AM
  5. Peter Pheasey's Avatar
    i have the same problem and F8 doesnt do anything, USB doesnt seem to be recognised either...
    08-19-2015 12:28 PM
  6. Tim Benjamin's Avatar
    Had this happen to my Lenovo desktop when I did a reset. Had to use another computer to create a Usb boot device. On the desktop I was able to change the boot device to the Usb port, and upon reboot it reloaded W10. Microsoft support was no help, told me it was my fault I didn't have a recovery disc. My desktop had a recovery partition, but I couldn't access it because of the inaccessible boot device loop. I now am keeping a bootable Usb stick just in case.
    Peter Pheasey likes this.
    08-19-2015 12:39 PM
  7. Peter Pheasey's Avatar
    f2 on boot up works, have changed boot order just need to create the boot disk. will my recovery disk for my desktop work on my laptop though? same make but would have different power options
    08-19-2015 01:26 PM
  8. vt12's Avatar
    I had this happen to me out of the blue on my (originally Vista) desktop. Turned out that the BIOS was set to RAID rather than AHCI. I reset it to AHCI and the computer worked fine without any data loss or problems.
    09-21-2015 10:36 AM

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