Tom's Hardware > Forum > CPU & Components > Other Components > USB Port Issues
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The Merg   02-25-2009 at 07:27:46 PM

I have a Dell Dimension 8300 with Windows XP-SP3 that I am working on. I am having an issue with USB devices causing the system to hang when they are plugged in (whether it is any 6 on the back or the 2 on the front). There are a few times the system has not hung, but it does not recognize that anything is plugged into the system. The owner of the desktop stated that he thinks he has seen a pop-up from the system tray about a power surge on the USB Hub before when trying to use a USB device. I have also noticed a few times that the power light on one of the USB drives I am using does not come on all the time.

I started to think that it might be PSU issue, so I tested the voltage while under load. My results were:

3.3v: 3.35v
5v: 5.11-5.12v
12v: 11.86-11.89v

It looks like the PSU is still within specs. Does anyone have any ideas as to what may be the issue here? I have uninstalled and reinstalled the ports and Hub in Device Manager in XP to no avail.

Any ideas would be appreciated.

Thanks,
Merg

--
Today's problems don't worry me,
I haven't solved yesterday's yet.


Message edited by The Merg on 02-25-2009 at 07:37:27 PM
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Mondoman   02-26-2009 at 01:00:00 AM

Perhaps the USB device you are plugging in is trying to draw more power from the USB port than the port can provide? (this could be either the device drawing too much power or the port not being able to supply enough)

------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
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The Merg   02-26-2009 at 03:07:19 AM

I've tried 2 different USB Flash Drives and a USB Printer that has its own power supply. All with the same results.

- Merg

Reply to The Merg
Mondoman   02-26-2009 at 05:16:37 PM

Hopefully it's not a hardware problem, but that's a real possibility with such old hardware. I'd check the Dell site to make sure you have the latest drivers, and check if they have anything in their knowledgebase about this.

Message quoted 1 times
------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
 Reply to Mondoman
The Merg   03-05-2009 at 01:57:58 AM

Mondoman wrote :

Hopefully it's not a hardware problem, but that's a real possibility with such old hardware. I'd check the Dell site to make sure you have the latest drivers, and check if they have anything in their knowledgebase about this.



I found a lot of posts about the USB ports in the Dimension 8300 dying so I am thinking it's a hardware issue. I ordered and just received a USB Hub PCI card. I'm going to install it tonight and see what happens.

- Merg

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