Question about Compaq Presario V4000 Notebook

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Windows xp pro keeps rebooting after loading mup.sys

Normally I would put the recovery disk in and go into the xp console or even just reformat but... the dvd drive isn't recognised in the BIOS - a common problem with these laptops. I tried hooking up the laptop hd to my pc but my pc doesn't recognise the drive in windows. I've tried all combinations with the jumper switches, so I'm pretty much out of ideas. I really need to try and get some photos off the hd. Any help would be appreciated

Posted by on

  • izzy415 Nov 21, 2007

    Thanks for your help Tom but I have seemed to have fixed my problem. I
    took the hd out of the laptop and hooked it up to my pc. I took the
    mup.sys and ndis.sys files from c:\windows\system32\drivers\ on the
    xpsp1 pc system and put them onto the laptop hd in the same path. Put
    the hd back in the laptop and it loaded fine. Also the dvd drive is
    being recognised now in the BIOS. I'm not sure why this would be

    Before doing all this I could boot in safe mode but it would always
    fall over at mup.sys and the reboot. I read on a number of sites on
    the internet that this is a common problem with xpsp2 so it became a
    real issue when I couldn't boot from the dvd since that wasn't being
    recognised in the BIOS.



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  • 205 Answers

Can you boot into safe mode? If not then the reason it continually reboots may not be software. I've seen a number of laptops that exhibit the behavior because the CPU is overheating. Intel CPU's shut themselves down before they burn up. If you're comfortable opening the laptop you might try cleaning out the CPU cooling system. They tend to get clogged up with dust so that there is no airflow to cool the CPU.

Posted on Nov 20, 2007

  • ohiotom Nov 21, 2007

    Well the good news is you got it working. One question, how did you hook up a laptop HD to your desktop? Did you have a special cable?



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