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If you found this article on mup.sys hangs useful (or not) and have comments, criticisms, or suggestions please feel free to drop us a note using our Contact form Maybe consider So far I have read all about XP systems having this problem, but not much about 2K boxes. Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. To use System Restore (Windows XP, Vista, 7, 8, and 10): Click the Start button.

This page has been accessed 6,796 times. What is MUP.SYS and what does it do? I happen to be on a work PC using Windows 2000 and I wondered if I could just email the mup.sys file from this computer to my home and swap it I powered down, removed the card, and the system booted fine.

If there is no specific way to reset theESCD data via the BIOS you can force this by reflashing. CLICK HERE to verify Solvusoft's Microsoft Gold Certified Status with Microsoft >> CLOSE CNET Reviews Best Products CNET 100 Appliances Audio Cameras Cars Desktops Drones Headphones Laptops Networking Phones Printers Smart I tried the RAM again to no avail. In the results, click System Restore.

I went into the BIOS disable level 1,2 and onboard cash, saved and exited. They offer a malware removal guarantee that is not offered by other security software. I even tried a different video card to no avail. If updates are available, click the Install Updates button.

Click on the Windows NT Workstation 4.0(Debug/Checked Build)-associated entry. Here is a link to a Phoenix and Award BIOS FAQ that provides additional BIOS related information and troubleshooting steps If your system is overclocked, Try reverting to the original standard It then starts these components possibly causing more draw on the power supply. http://www.aitechsolutions.net/mupdotsysXPhang.html This can potentially help you avoid hours of troubleshooting headaches associated with SYS errors.

See more Mup.sys Win xp stops on mup.sys on bootup Hiren boot cd acpi sys Can't boot Windows XP reinstallation CD (Solved) Computer powers on, but does not boot [Solved] (Solved) My computer and I need that kind of moral support right now. If needed, boot the recovery CD to a prompt first Try booting with as minimal a system you can. Took it out again, rebooted into safe mode and then into normal mode, no problems.I used system restore to get back to the day before I installed it but I haven't

I took the advice of some of the posts in this thread and just waited. Mup.sys is located in the C:\Windows\System32\drivers folder. The hard drive definitely works, as it was used as a slave in my roommate's box while mine was out of comission. Then there is a flurry of HD activity and all the LED's on the kybd light up and then go out.

A backup is automatically created before each scan, with the ability to undo any changes in a single click, protecting you against the possibility of PC damage. I was determined to completely understand the problem before moving ahead, but sometimes with computers that's just not feasible.Now comes the fun part - Backing up everything on my Lacie ext. I have tried a number of the solutions mentioned on this page now, and while I have seen two of them seem to fix the problem, the "fix" only lasted for My machine takes anywhere from 5 minutes to 2 hours to boot.

Removing the card, and connecting the hard disk directly to the mobo removed this problem. Do you have additional information? If System File Checker finds a problem with your SYS or other critical system file, it will attempt to replace the problematic files automatically. Ex.

I loaded the optimized bios settings, tried the failsafe defaults, tried going in manually and tweaking settings, but to no avail. Bottom line... A black box will open with a blinking cursor.

Well I will soon find out, I have nearly finished downloading the ISO Will post an update later Dave Heath May 28, 2005, 01:38pm EDT Reply - Quote - Report Abuse

Cheers! Complete list of “chkdsk” commands (Advanced PC users only): /F – Scans and fixes errors on the disk. /V – Displays every file name in each directory as the disk is In my experience, I have never found that the mup.sys driver is actually the cause of the problem but replacing it with a known good uninfected version won't hurt if just You have the classic Windows XP frozen at mup.sys.

I created a bootdisk that would at least get me a command prompt (you can do this in Win XP by right-clicking the floppy drive under My Computer, selecting format, then You will be prompted with a permission dialog box. A black box will open with a blinking cursor. Find and set these settings to: Memory Hole - Disabled System BIOS Cachable - Disabled Video RAM Cachable - Disabled VGA Share Memory Size - 32M (or there abouts) Cured my

Then the computer busy lite went crazy. System File Checker will begin scanning for mup.sys and other system file problems (be patient - the system scan may take a while). Win XP Pro box, has been running SP2 with no problems since it came out (back last august time) Then the hard drive had a mechanical failure, so I bought a Type "command" in the search box...

Naturally, it still won't boot into windows, but with my having replaced most of the components in the system, that doesn't surprise me in the least. I don't think the HD is bad because I ran the boot diagnostics and it recognized the HD. Hardware conflict after installing new Microsoft hardware, or hardware related to mup.sys.