MUP.sys hangs WindowsXP - solution
Sunday, January 4, 2004 at 6:04 am Windows XP Annoyances Discussion Forum
Posted by Paul
(2 messages posted)
Well - my solution is to change the computer type in Control panel (System- Hardware-
Computer)from 'Uniprocessor ACPI' to 'Advanced Configuration and Power Interface'.
I think MUP.sys hanging WinXP is a power problem NOT a porblem with MUP.sys. I tried
everything that everybody else tried - changing and removing hardware, disabling
mup.sys, rebooting again and again, etc etc. All a complete waste of time! The problem
seems to be that changing any hardware (eg removing the USB mouse) makes WinXP start
and then changing it again makes it stop - and it also seems to be incosisent so
it sometimes works and seomtimes doesn't. So I even got to the point of removing
a memory module (everything else was off!) and it started working. Any way, I then
went into Control panel and applied the changes above and it has worked fine ever
since, even when removing or adding hardware. I have now attached all my hardware
again and it has worked fine for about 10 reboots.
Good luck
Paul
On Wednesday, March 12, 2003 at 9:12 pm, Brian wrote:
>If you have read any of my problems, (computer hangs all of the time) then you should
>know all about the problem. I booted it today, (still not fixed) into safe mode.
>As you might know, Windows XP safe mode boot tells you whats going on. When it got
>to Mup.sys, it seems to have stopped responding. None of the lights on the keyboard
>work. Nothing changes on the monitor. BUT, I can hear the clicking of the hard drive,
>and the little hard driver light is on.
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