Universal Serial Bus (Usb) Port Problems - Lenovo ThinkServer TD200x Hardware Maintenance Manual

Universal Serial Bus (USB) port problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 8, "Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823," on page 239 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
A USB device does not work.
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ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual
Action
1. Run USB diagnostics (see "Running the diagnostic programs" on page 91).
2. Make sure that:
v The correct USB device driver is installed.
v The operating system supports USB devices.
v A standard PS/2 keyboard or mouse is not connected to the server. If it is, a
USB keyboard or mouse will not work during POST.
3. Make sure that the USB configuration optional devices are set correctly in the
Setup utility (see "Setup Utility menu choices" on page 252 for more
information).
4. If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the server.