No USB... Help?

[Udimet720]

Yesterday I looked down at my USB hub and noticed that none of the LED's were on. This seemed not good to me. But, then I realized that none of my USB devices on the hub were working (scanner, PDA, digital camera).

I tried removing the hubs and letting windows reinstall them. That went OK. But, still no devices. I schecked all the cables. No loosey goosey's.

The only thing I can think of is that right before I noticed this, I tried plugging the camera into the one of the front ports (hub is in the back) while my computer was on. But, the camera was off. Could this have fried my USB ports? Device manager reports them as working properly.

Any suggestions on how I can narrow down the problem?

Thanks...

:frown:

 

[Udimet720]

bump... for help!

 

[eplebnista]

Hello,

USB is designed to be able to handle devices being connected/disconnected while the computer is on. When you connect the scanner directly to the USB port in the back of the computer, does an imaging device show up in the Device Manager? You might try uninstalling/reinstalling the Scanner software next if one shows up with a yellow exclamation point. If one does not show up. then try it from the front USB ports. Does the hub require an external power supply or is it powered from the USB port?

hth,
eplebnista

 

[Udimet720]

eplebnista,

I did try plugging the scanner in directly to one of the rear ports. No change. The scanner does not show up.

as for reinstalling, I will have to attempt that at a later date. I have a lot of work to attend to this week!

Thanks for your suggestions. :frown:

 

[superlie]

What OS do you use? I used XP, then my system went crazy.

First the Zip drive was not working.
Then the floppy drive.
Then the USB Card Reader (the day before using XP, it worked).
Then my D-link ethernet 10/100.

Now I live happily with my w2k Pro - everything back to normal.

SL

 

[Udimet720]

I use 98se. I was having some weird problems with my scanner before. Somtimes the software could not find it, even though the computer would recignize it. However, I changed the USB cable to the scanner and that seemed to solve the problem.

Otherwise, the only problem I have had with USB has been not being able to run and optical mouse properly from it...

 

[eplebnista]

Hello,

Well if the scanner is not showing up as an Imaging Device in the device manager, I don't think reinstalling the software will help. You might try the camera just to make sure it is the Port and not the scanner. Generally a device will show up in device manager without software and it will have a yellow exclamation point next to the device indicating a problem or an unknown device. If you have an additional USB header on your motherboard they sell some additinal USB ports that mount in a drive bay.

eplebnista