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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 the parts listing in the Problem Determination and Service Guide 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 Action
A USB device does not work.
1. 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.
2.
Make sure that the USB configuration options are set correctly in the
Configuration/Setup Utility program menu (see the User’s Guide for more
information).
3. If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the server.
Video problems
See “Monitor problems” on page 41.
48 IBM System x3250 Types 4364 and 4365: Installation Guide