re: Mup.sys? Hangs but not? Wha's happening?
Tuesday, September 15, 2009 at 7:58 am Windows XP Annoyances Discussion Forum
Posted by Matt
(1 messages posted)
OK. I have just received a machine with the same problem. It is a Toshiba Satellite
A200 running XP SP3.
After running some diags, the hard drive showed some bad sectors. Removed the drive,
ghosted to another drive, put the new drive back into the laptop with confidence
and ..... same problem. bugger!!!
Extreme diags... Removed HDD, put in pc check DVD and run full burn in diags. No
Fault Found.
With HDD and battery removed, replace RAM with new sticks and reset bios to defaults,
just running from power supply, put in Hirens mini XP Cd, and STILL hangs at the
same spot. This REALLY seems like a hardware fault at this point.
Reset BIOS to default again, rebooted to XP mini from CD. Same problem.
I was going to reinstall the bios, but toshiba helpfully only supply a windows install
option. Not much help in this case.
Time to get serious, put in copy of Ubuntu 8.10 boot cd, turn on laptop, select option
to run from CD and ..... it hangs. Definately hardware related issue.
Removed keyboard from laptop, removed wi-fi and bluetooth cards, remove bios battery.
wait about 10 minutes and put battery back in.
Reboot on Ubuntu. AND IT WORKS. Definately seems to be escd bios related issue with
something getting screwed up in the bios settings. Removing some of the pci cards
internal to the laptop seems to have reset it.
Put all the cards back in, boot from Ubuntu, - failed.
Remove wireless miniPCI card, boot from Ubuntu, - works.
Boot from Hiren's mini XP, works.
Boot from ghosted HDD, works. Run windows based BIOS flash update. Reset Bios settings
to default, Boot from HDD, works.
Re-install wireless miniPCI card, boot from HDD, - failed. Sees to be a faulty wireless
card, but then again....
Installed a new wireless card, boot from HDD - failed. bugger! At this stage, I put
it down to a hardware fault on the mainboard controlling the miniPCI port.
Solution - install USB wireless card.
In conclusion, the fault seems to have been hardware based with a fault with the
onboard miniPCI controller. When the wireless card was removed, the fault disappeared.
So in this case, the mup.sys fault was caused through hardware.
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 |  |  | re: Mup.sys? Hangs but not? Wha's happening? (Matt: Tue, Sep 15, 2009, 7:58 am) |
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