BSOD on regular start up; stalls on Mup.sys file in safe mode

Dell Inspiron 6000 laptop.  Stopped working in January 2010.  Blue screens on start up with the following error code:

STOP: 0x0000007E ( 0x0000005, 0x82EE4E7A, 0xF8A817B0, 0xF8A814AC)

When I try to start in Safe Mode it stalls on the following file:

Multi(0)disk(0)rdisk(0)partition(2)\WINDOWS\System32\Drivers\Mup.sys

Any help would be greatly appreciated!  I would like to just be able to access the saved files if at all possible.

Regards...A

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"Aprildew" wrote in message news:ff822d90-7f5a-4f2c-a603-b4d2bee3fe0e...

Dell Inspiron 6000 laptop.  Stopped working in January 2010.  Blue screens on start up with the following error code:

STOP: 0x0000007E ( 0x0000005, 0x82EE4E7A, 0xF8A817B0, 0xF8A814AC)

When I try to start in Safe Mode it stalls on the following file:

Multi(0)disk(0)rdisk(0)partition(2)\WINDOWS\System32\Drivers\Mup.sys

Any help would be greatly appreciated!  I would like to just be able to access the saved files if at all possible.

Regards...A


How long did you leave it in Safe Mode - I've known it take 10 minutes (at mup.sys) before proceeding to boot properly!

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Noel Paton | Nil Carborundum Illegitemi | CrashFixPC
Noel Paton
Nil Carborundum Illegitemi -
No, I don't work for Microsoft!
http://www.crashfixpc.co.uk

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I've left it in Safe mode waiting for over an hour....no movement whatsoever.

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"adrianne_mt" wrote in message news:5e426b16-0e17-42e8-9a7c-09ebf713a9ff...
I've left it in Safe mode waiting for over an hour....no movement whatsoever.

That *does* sound like  frozen boot!
 
Forgive my asking - but if the system failed in Jan, why has it taken until June to worry about it?

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Noel Paton | Nil Carborundum Illegitemi | CrashFixPC
Noel Paton
Nil Carborundum Illegitemi -
No, I don't work for Microsoft!
http://www.crashfixpc.co.uk

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Two words...Tax Season.  I was too busy to make it a priority.  I did work on it off and on, but still out of order.  I followed the directions from this post (cannot boot XP at all - BSOD) but it wasn't that update that caused mine to fail.  Any ideas?

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Here is what Microsoft has to say about your message:


That is all just fine, and you can read about it all day long - you need to know how to fix it and since your system is hanging
on mup.sys, you can figure it out and fix it.

Sometimes your system will not boot and you may use the F8 boot options menu to boot Safe Mode.  Sometimes if you choose
Safe Mode to boot, the last thing you see on the screen when your system hangs is something like:

WINDOWS\System32\Drivers\Mup.sys  

There is probably nothing wrong with mup.sys but since that is the last thing on the screen it becomes the target for 
replacement by many well wishing helpers, but replacing mup.sys is sometimes an involved process and will unlikely
resolve the issue even if you could replace it.  But you can certainly try to replace it - somehow.

There is certainly no need to reinstall XP or even do a Repair Install to resolve what is usually a very simple problem.

I would not waste time, energy or effort on trying to replace mup.sys since I have never seen it to be the real problem 
in spite of what you see on the screen.  It is always the next thing to load that is the real problem.  

As a matter of fact, I have resolved these kinds of errors many times and never seen a problem with the actual mup.sys file 
(it is not the problem).

Experience and lots of testing says that the keyboard and mouse driver i8042prt.sys:

\Windows\System32\DRIVERS\i8042prt.sys

The i8042prt.sys file is the KB and mouse driver and is usually the next thing to load on most systems (right after mup.sys), so you
should suspect a problem in the are of keyboard and mouse.  Especially if they are USB devices.

If your system restarts continuously,choose from the F8 boot options menu:

Disable automatic restart on system failure

This will display the error message that you can't see when the system restarts itself.  That is what Windows is supposed
to do when it has a failure - it is supposed to restart automatically.  The error you see on the screen has your answer.

You can also choose from the F8 boot options menu:

Last Known Good Configuration 

Last Known Good Configuration is the configuration XP saved the last time Windows booted successfully and choosing that option
may allow you to boot successfully to undo (roll back) whatever got your system afflicted in the first place.

If the system boots with Last Known Good Configuration, uninstall (roll back) the afflicted driver update and get the correct 
drivers for your system.

Sometimes when booting in Safe Mode the system will take a long time to get past mup.sys so wait a generous amount of
minutes and see if the boot process will continue.  Once booted uninstall (roll back) any recent driver updates and continue
troubleshooting any remaining issues.

What do you think the problem is or what do you think might have changed since the last successful boot?

Disconnect all the peripherals except the keyboard starting with USB devices.  You are trying to eliminate the device that 
is causing your system not to boot.  

You only need a keyboard to boot in Safe Mode, so if the system boots with just a keyboard attached roll back any driver updates
and/or start reconnecting peripherals one at a time and rebooting after each one until the system hangs again.  The last thing that
was connected is your culprit (or the driver that goes with it).

If you are using a USB keyboard, that may be part of the problem so use just a PS/2 keyboard if possible.

Have you added a new mouse or any wireless keyboard and mouse devices since the last good boot?  Unhook everything that is connected
and try booting again.

Have any new external USB drives been added lately?  Disconnect them temporarily to see if your system will boot without 
them connected.

I usually see the problem as a USB mouse or keyboard change/update of some kind.  Either physical hardware or some recent
update that has occurred since the last good boot.  Sometimes even a CD ROM update will cause the failure.

Have you performed any Windows updates since the last successful boot?  Microsoft Windows Update will sometimes include 
what it thinks are the best updates to some of your device drivers and sometimes they just do not work on some systems.

There is usually no crash dump file created or clues in the Event Log under these conditions since Windows did not get 
far enough along in the boot process or sometimes there is no indication on the BSOD what the afflicted driver is.  Advice
to "look at" these things on a system that will not boot is difficult to comprehend.

If you still need help, describe your computer make and model, currently attached peripherals and decide in any new keyboard,
mouse, video or network hardware or drivers were installed since the last time the system booted properly.  

If yes, you need to boot somehow to uninstall (roll back) the drivers to the last set that worked properly (but first your system needs
to boot of course).

If you are experiencing a Blue Screen of Death (BSOD) the answer to your problem is usually there.  If that is the case (a BSOD) with
a Safe Mode boot, or LKGK boot, report back for further guidance on how to relay BSOD information (you did not supply enough).

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Thank you for your response!!  I'm not sure how to fix it as the keyboard and mouse are internal (it's a Dell Inspiron 6000 laptop.  The keyboard seems to work.  The mouse...no idea.  Do you think it would work with an external keyboard and mouse or same problem?

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Hello JoseIbarra !!  I have been searching for an answer for the same problem as you talked about in the above post. 

You seem to understand the problem better than everywhere else I have searched!  I hope you have time to help me too. :) 

I know I don't have a Hard drive issue, because I can take my hard drive out and put it in my son's computer and it works.

The only difference I am having is after mup.sys hangs, I get a BSOD that says:

STOP: 0x0000007B (0xF78D2524,0xC0000034,0x00000000,0x00000000).

I have a Thinkpad t61p laptop, with XP Pro, SP3. 

I changing my display properties under the advance settings. Something to do with the nVIDIA.  Not real sure what I have doing exactly. Said I didn't have a driver for it.   Anyway, besides the above error, I also sometimes get a 02 stuck key error when I try to use the Thinkpad recovery console.  I also sometimes get a symmpi.exe not found error.  Quite a managarie of problems, huh? But I really think it's only one thing. 

I do not know how to disable my video card and driver, for example. I removed the keyboard and cleaned it well.  Nothing else is hooked up. 

Thanks for any input you can give me!  I am about to pull my hair out!

Elaine

 

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It happens.

After you press F8 and get the boot option menu choose:

Last Known Good Configuration 

Last Known Good Configuration is the configuration XP saved the last time Windows booted successfully and choosing that option may allow you to boot long enough to undo (roll back) whatever got your system afflicted in the first place.

If the system boots with Last Known Good Configuration, uninstall (roll back) the afflicted driver update and get the correct drivers for your system.

 

If you think there is an issue with your video, then do this (when your system boots) and we can see what you have and what you might need:

Click Start, Run and in the box enter:

msinfo32

Click OK, and when the System Summary info appears, click Edit, Select All, Copy and then paste the information back here.

There will be some personal information (like System Name and User Name), and whatever appears to be private information to you, just delete it from the pasted information.

For video driver information, expand the Components, click Display, click Edit, Select All, Copy and then paste the information back here.

This will minimize back and forth Q&A and eliminate guesswork.


 

 

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HI!

I can't get my computer to boot. That's the problem. I've gotten lots of good advice, but it all hinges on my computer booting up.  I worked on it this morning again, and this is what it's down to:

Scenerio 1:

It starts boot in any of the Safe Modes, but hangs at mup.sys and then gives the BSOD:   STOP: 0x0000007B (0xF78D2524,0xC0000034,0x00000000,0x00000000).

Last Known Good Configuration does not work either.

or

Scenerio 2:

As it starts to boot,  if I hit F11 a screen comes up that says:  symmpi.sys not found. Hit any key to restart.

Any ideas?? 

Elaine

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I cannot find a manual for that beast - yet... and don't know when I will be able to.

If you are able to get into the system BIOS (I think it is F1 before XP tries to load), see if there is a Config(uration) section that has something about:

Serial ATA and/or Compatible or AHCI...

Whatever condition it is presently in, switch it to the other (not very scientific, huh?)

If it is AHCI, change it to Compatible.

If it is Compatible, change it to AHCI.

Reboot after making any changes.

Please report the way your found it, what you switched it to and if things look any different after the adjustment.

 

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Last updated April 12, 2020 Views 12,260 Applies to: