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by revbill1069

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My Dell 4300S dimension computer will no longer recognize my usb scanners, hp 44570c and Smart photo s20 or my lexmark x83 all in one printer, scanner and copy machine. I have followed all of hp and dell's suggest with no positive results. "delete sofeware and re install ect, chage usb ports , use a powered hub ect. However my usb Zip dvd cd write still works , it appear that the usb ports work, but the system does not see them as connected.

bill

5 replies

by joe41

You might want to make sure to do the following:

1. Uninstall all of the software relating to the scanner (Including removing the device from Device Manager.

2. Unplug the USB scanner cable from the computer.

3. Reboot.

4. Reinstall the scanner software (Do not plug in the scanner until the software asks for it)

5. Check in the device manager to verify that the device is properly recognized and a driver is installed for it.

USB devices usually require that they not be plugged into the computer until the software has been installed.

Hope this helps.

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