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Hardware Thread, Odd XP problem in Technical; My mate! has just dropped off another duff computer. It immediaely reboots when logging on but ok in safe mode. ...
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    Odd XP problem

    My mate! has just dropped off another duff computer. It immediaely reboots when logging on but ok in safe mode. He didn't bring his XP disk. I tried using mine to get into repair mode but as soon as I press R, it reboots. I suspect the graphics card but we are off to visit mother in law, so I won't get to look at it today. I just don't understand why it's ok in safe mode but won't run repair.

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    vikpaw's Avatar
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    Can you get into BIOS and disable it, you'll need to add an external one for testing though.
    Could be anything, drivers, hardware etc. but if it wont stay on long enough to check...
    You could do a chkdsk /repair or whatever the option is and leave it while you're off. repairs file errors. i always preferred booting to a win98 boot disk and doing a scandisk /repair as that fixed bad sectors properly.
    whilst in safe mode, there are some system file fixers you can do i think , like a repair / check.
    maybe you need the original disk.
    Other option would be to whack the hdd as a slave to another machine and give it a thorough going over, anti virus / spyware, etc. also worth backing up the files if any. then tell him to buy another cheapo box, as the time you spend on it, and if you were to charge will rack up close to a new PC quick enough.

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    CESIL's Avatar
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    Build yourself a UBCD (Ultimate Boot CD) for windows...

    This gives you a Windows boot disk like a Linux live disk and it has loads of tools to diagnose faults...

    There is a Linux version too that will fix a lot of faults too...

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    glennda's Avatar
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    log into safe mode and open the registry

    check HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon

    check that the shell key is pointing to explorer.exe and userinit points to C:\windows\system32\userinit.exe

    if all correct then you may need to rename the old userinit and copy one from a machine that works

    i have had this before with a dodgy userinit file - although i don't think it was restarting just logging back out.
    Last edited by glennda; 5th December 2010 at 11:21 AM.

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    vikpaw's Avatar
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    oh yeah, go into debug mode and see where it hangs, that could indicate the system file that is dodgy, and then you could use safe mode or a boot cd to repair/replace the file.

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    Quote Originally Posted by vikpaw View Post
    oh yeah, go into debug mode and see where it hangs
    How do you do that then ?

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    Quote Originally Posted by vikpaw View Post
    Other option would be to whack the hdd as a slave to another machine and give it a thorough going over, anti virus / spyware, etc. also worth backing up the files if any. then tell him to buy another cheapo box, as the time you spend on it, and if you were to charge will rack up close to a new PC quick enough.
    I have to say that I have started to do this with many problems and it works a treat - often after a good checking over etc it works fine

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    vikpaw's Avatar
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    Quote Originally Posted by mac_shinobi View Post
    How do you do that then ?
    I was thinking of one of the F8 on bootup options that shows you step by step bootup, if it hangs on a file that can indicate a problem - sometimes. I remember having a few machines that always lagged on mup.sys and a few on another file. So glad I have less of those "mates" now, it can kill a weekend and you never know what mates rates to charge!

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