USB devices - drivers not found

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dakkon74

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I have a Windows XP home machine, with all the latest updates. For as long as I have had it, I have had USB issues. The PC detects when I plug something in, but can never find the drivers. External hard drives, USB drives, USB hubs, cell phones, etc... When I plug these devices into other PCs, drivers are immediately loaded and the items are accessable. Anyone have any ideas? I have searched the Medion website for USB driver updates, and have install what they had, but that did not help at all. Thanks for any help!
 

JohnWill

Retired Moderator
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Oct 19, 2002
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106,726
Try this to flush out all the old and possible mis-configured registry entries.

Create a file with NOTEPAD containing the following lines and save it as FIX.REG
-------------------------- cut here --------------------------------
REGEDIT4

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment]

"DEVMGR_SHOW_NONPRESENT_DEVICES"="1"
-------------------------- cut here --------------------------------

Double click on FIX.REG and say yes to the Merge Into Registry question.

Unplug ALL USB devices.
Open Device Manager.
View, Show Hidden Devices.
Uninstall all devices under USB Controllers.
Uninstall all devices under Disk Drives that you know are not present.
Uninstall all devices under Storage Volumes. Say no to any reboot prompts until you are finished. Also, if a Storage Volume doesn't uninstall, ignore it and move to the next one.
If you have a yellow ? with unknown devices, uninstall all of the entries there as well.

When this is done, reboot TWICE.

Reconnect the USB devices and see if they're recognized properly.
 

dakkon74

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Jan 2, 2006
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Thanks for your help! I followed your instructions. At the first reboot, the PC detected the "Universal Serial bus Controller" about four times, and could not find the driver for it either time.

I assume I need to find the drivers for the USB controller? Know where I can find them? I do not have a true WinXP disk, just the system restore disk (crap) that comes with computers these days. Thanks!
 
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I have similar problem...USB devices (printer, hard drive, etc.) work except for Camera and all my flash drive devices. I implemented your recommended procedure, but no help. Is it possible the problem is related to computer having USB 1.0 ports, where the unknown devices (i.e. camera, flash drives) are USB 2.0?

Appreciate the help...

JC
 

dakkon74

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Jan 2, 2006
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9
pp1 - I have usb 2.0 ports, but I don't think that matters. I believe all/most USB devices are backwards compatible with 1.0/1.1.
 
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You're correct...I remember now that I tried camera and flash drives on my older computers with no problem.
 

Willy Duitt

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Oct 17, 2003
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Do you have an Intel chipset??
If you pull up the Device Manager - is there an explanation mark next to: SM Bus Controller??

If so - search the net for: infinst_autol.exe


.....Willy
 

dakkon74

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Jan 2, 2006
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It is a "SIS 7002 USB 2.0 Enhanced Host Controller"

I will check to see if they have a website with drivers......thanks
 

dakkon74

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Jan 2, 2006
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I ran a online utility on SIS website, and it said that USB is "provided by OS".

SIS info:
North Bridge Chipset: 648
South Bridge Chipset: 963/963L
 

Willy Duitt

Banned
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Oct 17, 2003
Messages
119
dakkon74 said:
I ran a online utility on SIS website, and it said that USB is "provided by OS".

SIS info:
North Bridge Chipset: 648
South Bridge Chipset: 963/963L
That's a P4 - did you try what I suggested??
Or am I singing to the choir??


.....Willy
 

dakkon74

Thread Starter
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Jan 2, 2006
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I don't think I have an intel chipset, but rather a SIS chipset. SHould I still run the intel file you suggested?

Well, I tried it, and it did not work. Could not find intel chipset. The SYS site had drivers for sound, video, ide, etc. but said USB is provided by the OS. I suspect I am missing a winxp file, or it is corrupted.
 

JohnWill

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Messages
106,726
You do realize that you MUST install the motherboard drives for many systems to get all the built-in hardware working, right?
 

dakkon74

Thread Starter
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Jan 2, 2006
Messages
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Sorry, but I am not sure what you mean by motherboard drives. Do you mean having USB enabled through the bios?

These ports have worked before. Somehow about two years ago I was able to get a Lexar Jump drive and a 4 port hub working. I also have had a external cdwr drive connected. All these devices took a lot of playing around to get them to work. Now nothing works anymore.

There is a bios update available on the Medion site. Maybe I will try that. I just try not to flash firmware if it can be avoided, and as I said these devices worked before. (although maybe not as effortlessly as they should have).

Thanks again!
 
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Jan 2, 2006
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Well, after more research, have linked my problem to my USB external Maxtor harddrive, which is apparently using too much "juice" off the USB Controller. If removed, both my camera and flash drives now work. Anyone have economical solution? Thanks...

JC
 
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