I hold multiple USB devices no longer customary that be conventional until that time. Please back me numeral this out!?

First past its sell-by date, I have a Dell Dimension 2200 next to four USB ports in the backside and one in the front. For months, I be able to use the following external devices: An Acom 60GB tough drive; an Iomega 16x10x40 CD/RW, an I/OMagic 16x DVD rewritable, a Sandisk 1.0GB flash drive, and a High Speed USB 2.0 7-port hub. All of sudden none of them operate, with a message popping up proverb "Device Not Recognized" or flat out saying there's a anomaly with the device. I hold unsuccessfully tried the troubleshooter, gotten no help from Microsoft, attempted to find drivers for adjectives of these, and nothing works. I enjoy deleted the root hubs and the so-called unknown USB devices from my device superintendent, then restarted within the hope that my computer would be able to make out all of them. No luck. I enjoy checked multiple forums for advice, and it's gotten me nowhere. Has someone be in a similar situation and tried something that worked, or is anybody a USB expert who might be capable of give some suggestions?

Answer:
Unplug everything, turn the tool off, later turn it on with nought connected. Then attach the items one at a time and see if they are recognized.
Are adjectives of your items hooled up through your hub? If so is it a powered hub or a passive hub (passive $5, power $25 + it plugs into wall) if you are running adjectives of that on a passive hub at hand may not be enough power to run everything so they stop. Try direct connecting them to your appliance or getting a powered hub.
Well, you've started to troubleshoot and done the the things I would have done. There is possibility nearby is something wrong with your USB card or possible connections. Try pulling the card out and 'resetting' it (sticking it put money on in). It could have worked itself loose a short time. This is especially true if NONE of the usb ports are working......

There's always the potential that your card wen't kaput..... they're cheap and it's lately a matter of sticking contained by the card (and there's most likely a driver that comes near it). Not sure if XP automatically recognizes USB cards.... it should come next to a CD.

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