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USB problems....usbuhci.sys file

E

elazarus

Limp Gawd
Joined
Jan 1, 2007
Messages
162
Hello,

I have had some BSOD and I made sure the RAM was good and increased the speed of the variable fans inside the case, but today I received a beautiful BSO and there was a file listed usbuhci.sys.

I do know that I could not "see" the 3 external drives but the wireless mouse and usb keyboard as well as the printer are working.

Could this file be corrupted? I looked on the MS website but could not find this file. I am running XP Pro SP 3.

Thank you

Elliot
 
What motherboard are you using? Have you done sfc /scannow already? Are you using a usb hub & have all of those USB devices been in the system all along? I'm assuming that your computer was working for a while. All of the other bsods had the same file listed, right?
 
Hi,

Thank you for replying.

The motherboard is an ASUS P5B. I have done all the usual but not sfc. Yes, I have a hub (Plug in type that does not use the Computer's power) as well as 6 USB ports directly to the MB...and there is also an additional card plugged in a slot with 3 USB ports.

The codes have all been the same...I am not sure if ALL the other BSOD's had this file but I do remember seeing it before.

What are your thoughts?

Elliot
 
Sfc /scannow will fix the problem if it's a corrupt file, but I doubt that is the case. You will most likely need to figure out which USB device is causing the freezes using trial and error. My first suspicion would be the hub.

Some BIOS changes that are unlikely to help but take very little time - disable firewire, legacy USB, port 60/64 emulation, and BIOS EHCI handoff.

Taking a look at the BSOD memory dump may give you some clues about which device is causing the problems. It's not too hard, just involves downloading two programs:
http://support.microsoft.com/kb/315263
 
Thank you.

I have been putting this off for a year, but I had 2 exact machines built for me by AVA and yesterday I switched them out.

Of course, there was the myriad of programs and settings and so far it took about 12 hours + but the "new" machine is doing just fine. I put my "Old" machine on my assistant's desk where she only uses mail and Quickbooks.

The biggest headache was getting all the older e-mail files.....I have Outlook and Thunderbird, but to me nothing looks the same as Outlook Express. I get about 500 e-mails a day and 300 are Spam so OE is the easiest to work with.

Elliot
 
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