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USB device not detected


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#1 amethyst

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Posted 30 April 2012 - 10:43 AM

I'm using a USB transcription foot pedal along with transcriber software. Last week I took a small break, sat back down at the computer and the device is no longer being detected by the program. I'm almost 100% sure this is not an issue with the software. I've reinstalled the software, downloaded similar software from different manufacturers that utilize this particular pedal and I'm encountering the same problem. I also have a second USB foot pedal (nearly new) and it is not being detected either.

Here's what I've done so far:

-System Restore

-Uninstalled USB, rebooted, reinstalled USB

-Shutdown laptop, disconnect power supply for 15 minutes, reboot

-Ran McAfee and Malwarebytes scan (no viruses detected)

-Reinstalled BIOS and chipset drivers from laptop manufacturer

-Under Power Management under USB, I unchecked the box next to "Allow the computer to turn off this device to save power"


Oddly enough the pedal started working for about an hour or so, but then stopped again without warning. Unfortunately this is the only computer I own. I work from home as well. If there are any other suggestions I'd appreciate it!

Edited by amethyst, 30 April 2012 - 10:43 AM.


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#2 cryptodan

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Posted 30 April 2012 - 12:25 PM

How many USB ports does your computer have?

#3 amethyst

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Posted 30 April 2012 - 12:57 PM

I have two.

#4 cryptodan

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Posted 30 April 2012 - 01:00 PM

Do both ports exhibit the same issue?

#5 amethyst

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Posted 30 April 2012 - 02:46 PM

Unfortunately, yes.

#6 cryptodan

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Posted 30 April 2012 - 02:51 PM

Can you clean the connections with some rubbing alcohol and blow out the lap top ports with a can of air?

#7 amethyst

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Posted 30 April 2012 - 05:00 PM

I used some air on the connections and everything works great. Hopefully it's a permanent fix. Thanks for the suggestion!

#8 cryptodan

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Posted 01 May 2012 - 02:23 AM

You are welcome.

#9 amethyst

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Posted 04 May 2012 - 07:08 AM

Unfortunately this problem has returned. Any more ideas? I may have to take my computer to a repair shop if I can't get this sorted out.

#10 cryptodan

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Posted 04 May 2012 - 08:34 AM

I would take it to a repair shop the ports could be loose.

#11 amethyst

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Posted 07 May 2012 - 09:35 AM

One more question before I turn this laptop over to a repair shop tomorrow.

I installed the latest Win 7 update and the USB pedal started working again. I'm unsure if that is just a coincidence. I used it for about 30 minutes, took a break and the pedal stops working. The pedal goes undetected after I stop using it for more than five minutes. It's like the USB port goes into a hibernation mode or something. Can you think of a reason this may be happening? As I stated in the first post I changed the power settings under the USB ports so the computer will not shut them off.

#12 Cataria

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Posted 07 May 2012 - 12:16 PM

If you plug anything else in the USB ports besides the foot pedal (after the USB ports stop working), does the other thing you plugged in work?




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