Question about HP Pavilion zd8000 Notebook

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Zd8000 powers on for a few seconds then powers off then loops forever

It never gets to even a bios screen. Ive noticed the middle fan on the bottom isnt turning. Is that the CPU fan and therefore the reason why its shutting down to avoid overheating the CPU? Thanx in advance.

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  • Lukesteele Mar 20, 2008

    hi atiqq, Are you saying that the cpu fan will not start at bootup and only when cpu overheats? Also, how can I update the bios if the update from HP requires that I run it from inside WIndows XP when I dont even get to desktop or even bios screen?

  • Anonymous Apr 06, 2008

    I have the same problem, i believe a Crisis Recovery Disk is the way forward checkout this link to hp's forum http://forums12.itrc.hp.com/service/foru...

    the problem is getting hold of the bios the version i believe is needed is f.32 but have so far been unable to find it. If anyone has a copy on their laptop or can let us know the manufacturers site and any specific details this would be very useful. Then there is the problem of getting it onto the laptop not having a floppy drive, and external drive doesn't get any power at this point (for me at least), the dvd/cd appears to read the CD but stops quite quickly this maybe because the bios.wph file isn't the correct file. Any how... this is a work in progress with many people experiencing the same problem with varying degrees of success.

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Hi
when ever cpu overheat fun runs automatically if not try to update your laptop bios . Hp website has updates of your laptop bios.
thanks

Posted on Mar 16, 2008

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1. First step is to check if the laptop is overheating:
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  • Is the CPU fan not spinning up
If it is hot to the touch and the CPU fan is not spinning up, this will cause the system to overheat and shutdown as a safety feature. In this case the fan would either need to be cleaned or replaced.
2. Failing hardware can also cause this (i.e. a failing motherboard, CPU, Battery, Power Cable, internal PSU, etc.):
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On the other hand, you could check the ribbon cable that connects the display to your Graphics card on the Board and re seat it to see if that cable has come loose causing your very dim display. My experience would lead me to expect the LCD to have run it's course though.

Happy tinkering and Good luck.

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