Acer R920 User Manual download pdf (Page 161)

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New memory modules installed are not detected.

Do the following:

• Make sure the memory modules are properly seated on the

memory board’s DIMM slots.

• Make sure the memory modules comply with the system

requirements.

• Make sure the memory modules have been populated according

to the system requirements.

External device connected to a USB connector does not work.

Do the following:

• Reduce the number of external devices connected to a USB hub.

• Refer to the documentation that came with the device.

Cannot connect to a server.

• Make sure the network cable is securely attached to the correct

connector at the system rear panel.

• Try a different network cable.

• Make sure you are using the correct and the current drivers.

• Make sure the driver is loaded and the protocols are bound.

Problems with the network

Network status indicator does not light.

Do the following:

• Check the cabling and network equipment to make sure that all

cables are properly connected.

• Reinstall the network drivers.

• Try another port or hub on the switch.

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Acer R920 User Manual Page 161