IBM eServer xSeries 440 Installation Manual page 52

Solving problems
Table 2. Troubleshooting charts (continued)
Device
The mouse or pointing device
does not work.
USB Keyboard, mouse, or
pointing-device
All or some keys on the
keyboard do not work.
The USB mouse or USB
pointing device does not work.
Memory
The amount of memory
displayed is less than the
amount of memory installed.
Monitor
The monitor works when you
turn on the system, but goes
blank when you start some
application programs.
The screen is blank.
Only the cursor appears.
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xSeries 440: Installation Guide
Suggested action
1. Verify that the mouse or pointing-device cable is securely connected and the
device drivers are installed correctly.
2. Try using another mouse or pointing device.
If the problem remains, call for service.
1. Make sure that the keyboard USB cable is properly connected to the system.
2. Make sure that the system and the monitor are turned on.
3. Ensure that the USB mouse and keyboard support are enabled in BIOS.
4. Try using another keyboard.
If the problem remains, call for service.
1. Make sure that the mouse or pointing-device USB cable is properly connected
to the system.
2. Make sure that the system and the monitor are turned on.
3. Ensure that the USB mouse and keyboard support are enabled in BIOS.
4. Try using another mouse or pointing-device.
If the problem remains, call for service.
Verify that:
1. The memory modules are seated properly.
2. You have installed the correct type of memory.
3. If you changed the memory, you must update the memory configuration with
the Configuration/Setup Utility program.
4. All banks of memory on the DIMMs are enabled. The system might have
automatically disabled a DIMM bank if it detected a problem, or a DIMM bank
could have been manually disabled.
If the items above are correct and the screen remains blank, call for service.
Verify that:
1. The primary monitor cable is connected to the video port.
2. You installed the necessary device drivers for the applications.
Some IBM monitors have their own self-tests. If you suspect a problem with your
monitor, refer to the information that comes with the monitor for adjusting and
testing instructions.
If you still cannot find the problem, call for service.
Verify that:
1. The system power cord is plugged into the server and a working electrical
outlet.
2. The monitor cables are connected properly.
3. The monitor is turned on and the brightness and contrast controls are adjusted
correctly.
If the items above are correct and the screen remains blank, call for service.
Call for service.