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by computerusageco

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ON a HP home computer, each time I use a USB device (scanner or CD R/W) I have to unplug and re-plug in the device into the USB port for the computer to recognize it. This happens every time the device is idle for more than a few minutes. HP has replaced the computer one time to solve this problem, but problem still happens on new computer.

6 replies

by szymas

A few things to check:

1. The computer BIOS sometimes have a power monitor/management page that will power down the USB ports when told to do so after no activity (if yours does, turn it off)

2. Your motherboard/and or operating system (mostlywith Win 95 A/B) need a USB suppliment patch.

3. If your devices are attached to a USB root hub, this could be the problem. I know of some cases with Belken hubs disconnecting devices...

by paul majestic

I've seen a similar problem like this happen on HP machines. What it seems to be is the USB open host controller that HP uses. It just doesn't seem to work well or be all that compatible with usb devices in general.

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