Lenovo D400 Desktop IdeaCentre Bedienungsanleitung PDF herunterladen (Seite 33)

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Chapter 5. Symptom-to-FRU index

USB controller failed

1. Make sure that the correct drivers are

installed and they are at the latest level.

2. Remove and reinstall the driver. Before you

remove any drivers, make sure that none of

your USB devices are connected to the

home center.

3. Make sure the front USB port cable is

installed correctly.

LAN controller failed

1. Make sure that the correct drivers are

installed and they are at the latest level.

2. Make sure that the Ethernet cable is

installed correctly.

3. Check the network LED on the front panel of

the home center. The network LED indicates

whether there is a problem with the

connector or cable. See the User Guide for

information about the network LED.

4. Check the LAN activity LED on the rear

panel. See the User Guide for information

about the LAN activity LED.

Fan failed

1. Make sure the connector on the fan is not

damaged.

2. Make sure the fan connector on the hard

disk drive backplane is not damaged.

3. Make sure the fan is properly installed. See

“Removing the fan”.

4. Replace the fan.

Memory failed

1. Make sure the DIMM is installed correctly.

See “Replacing the memory module”.

2. Reseat the DIMM.

3. Replace the DIMM.

Boot device not found

1. Replace the following components one at a

time, in the order shown, restarting the

home center each time:

- Hard disk drive

- Cable from the hard disk drive backplane

to the system board

- Hard disk drive backplane

Operating

condition

Error code

Description/Action

Bit 0 Bit 1 Bit 2 Bit 3

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 62 63

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