IBM 8676 - Eserver xSeries 335 Installation Manual page 62

Symptom
Universal Serial Bus (USB) port problems
A USB device does not work.
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IBM xSeries 335 Type 8676: Installation Guide
Suggested action
Verify that:
v You are not trying to use a USB device during POST if you have a standard
(non-USB) keyboard attached to the keyboard port.
Note: If a standard (non-USB) keyboard is attached to the keyboard port, the
USB is disabled and no USB device will work during POST.
v The correct USB device driver is installed.
v Your operating system supports USB devices.
If the problem remains, call for service.