Re: PC continually rebooting

Steven Campbell wrote:
> "PC Paul" <me@xxxxxxxx> wrote in message
> news:KzMOe.34016$Il.7763@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> Steven Campbell wrote:
>>> Looking for some advice.
>>> I have an older machine that I put WinXp on to. Everything was fine
>>> for the week that I used it. I then installed SP2 onto it. Now it
>>> won't boot.
>>>
>>> It gets to beyond the flashscreen and then reboots.
>>>
>>> In safe mode the last driver to load is Drivers\mup.sys, the screen
>>> then goes black as if it is continuing to boot. 20 seconds later the
>>> PC reboots.
>>>
>>> Starting again is no problem as there is nothing on it, but the whole
>>> idea of this PC is for me to mess about with and learn so I'd like to
>>> try and fix it if possible.
>>>
>>
>> Is it a Celeron? If so there was a problem with SP2 and certain BIOSes
>> that
>> didn't have built in support for some fiddly bit of the Celeron code.
>> Look
>> at MS KB885626 for details.
>>
>> SP2 automatically reboots when it would previously have bluescreened. You
>> can disable this by going into safe mode, then using the System control
>> panel, advanced, settings, system failure and unchecking 'automatically
>> restart'.
>>
>> You should at least get more information from the blue screen that you'll
>> get this time to help track down what's going wrong.
>>
>> mup.sys is 99% of the time a red herring - it's just the last driver
>> loaded
>> in that phase of startup before XP proper gets going.
>
> It's an AMD K6 500.
> I'm not sure what you mean re System control panel, advanced..............
> It won't boot at all full stop. Even in safe mode :o(
> It just cycles regardless of what option I choose when selecting F8
> I'll have a look at the MS knowledge base number you sent me.

http://support.microsoft.com/KB/875350

If you cannot successfully remove Windows XP SP2 by using one of the
previous methods, follow these steps: 1. Insert the Windows XP startup disk
in your floppy disk drive or insert the Windows XP CD in the CD drive or in
the DVD drive, and then restart your computer.

Note When you receive the following message, press a key to start your
computer from the Windows XP CD:
Press any key to boot from CD

Note Your computer must be configured to start from the CD drive or
the DVD drive. For more information about how to configure your computer to
start from the CD drive or the DVD drive, see the documentation that came
with your computer or contact the computer manufacturer.
2. When you receive the Welcome to Setup message, press R to start the
Recovery Console.

Note Multiple options will appear on the screen.
3. Select the Windows XP installation in question.

Note You must select a number before you press ENTER, or the computer
will restart. Typically, only the 1: C:\Windows selection is available.
4. If you are prompted to type an administrator password, do so. If
you do not know the administrator password, press ENTER. (Typically, the
password is blank.)

Note You will not be able to continue if you do not have the
administrator password.
5. At the command prompt, type cd $ntservicepackuninstall$\spuninst,
and then press ENTER.

Note After you complete this step, you cannot stop the removal
process.
6. At the command prompt, type batch spuninst.txt, and then press
ENTER.

Note The Spuninstal.txt file appears. As the file scrolls down, you
will see errors and files being copied. This is normal behavior.
7. After Windows XP SP2 is removed, type exit, and then press ENTER.
8. Restart your computer in Safe Mode. To do this, press F8 as the
computer restarts.
Note After you restart, the system may lock up with a black screen.
(Your mouse will work.) In this case, restart again by turning the computer
off and then back on. The second restart will let you to log on.
9. When your computer restarts, Windows Explorer (Explorer.exe) does
not run, and the Windows icons and the Start button are unavailable. To
resolve this problem, follow these steps: a. Press CTRL+ALT+DEL to start
Task Manager.
b. Click File, and then click New Task (Run...).
c. In the Open box, type regedit, and then click OK.
d. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RpcSs
e. On the right side of the viewing pane, right-click
ObjectName, click Modify, type LocalSystem in the Value data box, and then
click OK.
f. Restart your computer

10. Use one of the previous methods to remove Windows XP SP2 from your
computer.


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