Keyboard, mouse, or pointing-device problems – Lenovo THINKSERVER 3821 User Manual
Page 75
Keyboard, mouse, or pointing-device 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 237 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
All or some keys on the
keyboard do not work.
1. Make sure that:
v
The keyboard cable is securely connected.
v
The server and the monitor are turned on.
2. See and then click Options. Open the
Server Options Guide.pdf for keyboard compatibility.
3. If you are using a USB keyboard, run the Setup utility and enable keyboardless
operation to prevent the 301 POST error message from being displayed during
startup.
4. If you are using a USB keyboard and it is connected to a USB hub, disconnect
the keyboard from the hub and connect it directly to the server.
5. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Keyboard
b. (Trained service technician only) System board
The mouse or pointing device
does not work.
1. Make sure that:
v
The mouse or pointing device is compatible with the server. See
and then click Options. Open the Server
Options Guide.pdf.
v
The mouse or pointing-device cable is securely connected to the server.
v
The mouse or pointing-device device drivers are installed correctly.
v
The server and the monitor are turned on.
v
The mouse is enabled in the Setup utility.
2. If you are using a USB mouse or pointing device and it is connected to a USB
hub, disconnect the mouse or pointing device from the hub and connect it
directly to the server.
3. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Mouse or pointing device
b. (Trained service technician only) System board
Chapter 5. Diagnostics
67
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