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Discussion Starter · #1 ·
hi guys, this problem has been plaguing me for a long time now. tried searching everywhere but none of the solutions seem to be working. My USB ports were working fine until one day when i uninstalled my HP printers drivers and software. It doesnt show any problem in the Device Manager(i.e no exclamation marks) but devices seem to be drawing power from the ports, only windows does not detect these devices. When i plugin any device, i don't get the sound which i usually do nor a popup from the system tray. Plz guys help me out as I;m really really stumped.
Im using Windows Xp Proffessional with SP2.
 

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Go into Bios and make sure they are still enabled. Go in Device manager and delete them.
Reboot and let windows Identify them again. And then test them out. Let us know...Jazz
 

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Discussion Starter · #3 ·
hey thnks for ur reply but I've already done that. Its Enabled in the BIOS but when i try deleting them from device manager, my system just hangs and I have to manually shutdown Device Manager via the taskmanager. Any more help would be deeply appreciated.
 

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The only other thing I've heard about outside of just complete hardware failure is that when certain applications - like HP- are uninstalled certain residuals of the program stay in memory and can cause usb ports to stop working.
It's suggested that you shut the machine down and literally unplug it from the wall for 4 or 5 minutes and then re-establish the power source and reboot. It's suppose to clear the memory banks hanging onto the residuals.
If it clears them you will need to uninstall and reinstall them again so you don't wind up having the same problem. Interesting that your system hangs. I hope this works. Let us know...Jazz
 

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Discussion Starter · #5 ·
Done that already. Whenever I do that, after startup I get >>New Device Detected>Installing USB Root Hub and then it's back to the same old story.
I'll be installing Windows Vista tomorrow and was wondering will the problem still persist or will it be fine with a format and fresh installation.
 

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I'll tell you what- If the HP software has never been totally removed, formatting and installing a new OS may well do the trick. It will clean anything out of the registry, etc., that might be causing the problem. If that doesn't do it I guess I'd be looking for some new ports. Something is definitely wrong if when you try to uninstall and reinstall the ports, your system is freezing up. We'll hope a fresh install of everything is all you need.
The only other thing I can offer at this point is going to the url below, an downloading the Free Registry Cleaner and running it to make sure it's not something within the registry itself causing the issue... It's a good little program and it's free even though you're allowed to donate if you chose. Works well for me with a lot of little things.

http://www.eusing.com/free_registry_cleaner/updatev16.htm
Let us know what happens...Jazz
 

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Discussion Starter · #8 ·
Well guys, I formatted my hard-drive, installed Vista, the USB drivers installed properly but the same problem, so I guess it's a hardware problem or correct me if I'm wrong. But devices draw power from the hubs which is the part i don't understand.
 

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jazz3000 said:
The only other thing I've heard about outside of just complete hardware failure is that when certain applications - like HP- are uninstalled certain residuals of the program stay in memory and can cause usb ports to stop working.
It's suggested that you shut the machine down and literally unplug it from the wall for 4 or 5 minutes and then re-establish the power source and reboot. It's suppose to clear the memory banks hanging onto the residuals.
If it clears them you will need to uninstall and reinstall them again so you don't wind up having the same problem. Interesting that your system hangs. I hope this works. Let us know...Jazz
Correct, but, 10 seconds is enough, Asus mobo's with green LEDs signal you when they completely loose power (LED turns off) and that means no power is going through your system.
 

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Randy this is suppose to help if the usb's stop working unexpectantly. I had no idea until today this was even there. Try it - I hope it works for you. If not I'm thinking it must be the hardware...Let us know...Jazz

o Click Start, and right-click My Computer.

o Click Properties, then click Hardware.

o Click Device Manager.

o Double-click the Universal Serial Bus Controllers branch to expand it.

o Right-click USB Root Hub, and then click Properties.

o Click Power Management.

o Deselect Allow the computer to turn off this device to save power.

o Repeat Steps 5 through 7 for each USB Root Hub.

o Click OK, and close Device Manager.
 

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Discussion Starter · #11 ·
hey guys am back ^_^. I bought a new cabinet and set it up perfectly and the USB port's were working fine until i plugged in the HP printer again. After i removed the printer my usb ports stopped working again. Only my Sony Ericsson Phone works through the USB that too after going to the BIOS and Enabling all USB's even though it shows Enabled. Im in a fix now as I can't change my cabinet again. :confused:
 
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