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HP AP5000 All In 1 POS System Freezes At Windows 7 "Starting Windows" Screen. Logo Doesn't Even Show

Discussion in 'Windows 7' started by WhiteBeard85, Oct 5, 2017.

  1. WhiteBeard85


    Oct 5, 2017
    Operating System:
    Windows 7
    HP AP5000 All In 1 POS System Freezes At Windows 7 "Starting Windows" Screen. Logo Doesn't Even Show.
    Bios works and I can reach the F8 Windows Boot Options. All options freeze at the "Starting Windows" Screen.
    The screen freezes and goes blank if I try to choose "Launch Start Up Repair".
    Safe mode freezes once it reaches "CLASSPNP.SYS".
    Ive enabled and disabled all bios settings.
    Ive tried several dual core CPUs and a Celeron 400 CPU.
    Ive tried different DDR2 RAM. Ive tested the RAM using both short and extended tests and it passed.
    Ive tried 2 hard drives and they work in other computers fine.
    No Bluescreen message appears.
    Used a USB to load HP vision diagnostics, the ram test it passes.
    Tried both 32 Bit and 64 Bit Windows 7 Versions.
    The Fan revs gradually higher when frozen on the WIndows Startup screen.
    Tried with and without Keyboard, Mouse, MSR and VFD Screen connected.
    Any help would be greatly appreciated.
  2. Tony D

    Tony D Super-Moderator Super Moderators

    Sep 25, 2009
    SE Pennsylvania, USA
    Operating System:
    Windows XP Professional
    Hello and welcome here.

    My first thought was to run a chkdsk /r on the hard drive.

    ... but you said you tried other hard drives. Did the machine boot with these hard drives before? You normally can't take a hard drive from one machine and put it in another and have it work. It will work if the hardware is similar.

    See if you can boot the machine with a Windows 7 repair disk. If you can, then run the chkdsk /r.
  3. DSTM (Dougie)

    DSTM (Dougie) Super-Moderator Super Moderators

    May 3, 2009
    Operating System:
    Windows 7
    Hi and Welcome from a fellow Aussie.:)
    Adding to Tony D's advice, I am thinking possibly Power Supply, after reading your post.
    I would get the PSU tested at your nearest Computer shop.
    Has this All in One had a severe bump, before this problem started?

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