re: Mup.sys? Hangs but not? Wha's happening?
Friday, March 31, 2006 at 10:20 am
Windows XP Annoyances Discussion Forum
Posted by gary balkam
(5 messages posted)
Having had the same problem mup.sys, I started reading.
>
I disabled mup.sys in recovery mode (I could then boot to xp but the system stopped
responding, usually after being left unused)
>
So read some more: flashed the bios
same problem (stopped responding) so now i know the bios was not corrupt, it had
been working for years from the last time I flashed it, so the saved bios was good.
>
Saw someone say they replaced everything except the install disk, cdrom and cables.
Disk is either good or not.. it works or dont, so that is ok. cables are the same
thing, they work or dont work.
soo I dis-connected my cdrom.
same problem
>
I changed from my used pentium 3, 733, back to the P3 533 I had origionally.
>
NO PROBLEM... but thats not a solution, having saw a couple posts about 2 bad processors?
Not likely. Its like winning the big lotto prize 2 weeks running.
besides, it WAS working with the 733 before.
So, I put it back in.
>
Same problem. (system stopped responding withing minutes, but did boot to windows
while i was checking system properties) *note* also... for some reason MUP is RUNNING
(started) again, BUT the system booted into windows... and has been for over a week.
So power off (reset button) then:
>
Into Bios settings:
>
1) I disabled the numeric processor and enabled SMART drive option. (to see if the
drive was failing)
>
2) checked that the processor was set for 733, agp at 66 mhz, bus speed at 133 (matching
the specs of mobo, processor, and ram)
>
3) Selected the 'Halt on all errors' option (assuming if there was a problem the
system would stop)
>
4) I increased the voltage to +10%
>
5) Saved the changes and exited
>
6) Restart Windows XP home (note... problem was persistatant, I had also tried WinME,
and Win98 with the same problem occurring.)
>
Thus far, the system is running and stable.
Conclusions: 1) Try disabling the numeric data processor (seemed to work ok before
though)
2) Increase the voltage by the max 10% (keep an eye on your system temp, etc)
>
Maybe this fixed it, maybe not. But it hasn't as of yet stopped responding. I will
leave it on and see what happens.
>
*note.. cdrom is still disconnected, I rarely use it, I have a cdrw.
>
+++++++++++++++++++++++++++++++++
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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 |  | re: Mup.sys? Hangs but not? Wha's happening? (gary balkam: Fri, Mar 31, 2006, 10:20 am) |
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