Acer R720 Bedienungsanleitung PDF herunterladen (Seite 150)

5 Troubleshooting

140

If you have installed one or more hard drives in the system, do the

following:

• Make sure the power and signal cables are connected correctly.

• If using a sixth HDD, make sure the sixth HDD board is properly

installed to the backplane board and HDD is plugged into

connectors on the sixth HDD board. Check that the relevant

switches and jumpers on the hard drive are set correctly. Refer to

drive documentation for more information.

ODD (optical disk drive) activity indicator does not light.

Do the following:

• Make sure the ODD and interposer board are properly connected.

• Check that relevant switches and jumpers on the drive are set

correctly.

• Check that drive is properly configured.

• Check that onboard IDE controller is enabled in the BIOS setup.

ODD tray cannot be ejected.

• Insert the tip of a paperclip into the small hole on the ODD drive.

Slowly pull the tray out from the drive until the tray is fully

extended then remove the disc.

ODD drive cannot read a disc.

Do the following:

• Make sure you are using the correct type of disc.

• Make sure the disc is properly seated in the drive.

• Make sure the disc is unscratched.

• Make sure ODD and interposer board are properly connected.

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Acer R720 Bedienungsanleitung Seite 150