Acer Altos R5250 User Manual download pdf (Page 111)

DVD tray cannot be ejected.

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

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

DVD 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 unscratch and free of any contaminant.

• Make sure the drive’s IDE and power cables are properly

connected.

Newly installed memory modules are not detected.

Do the following:

• Make sure the memory modules specifications comply with the

system requirements.

• Make sure the memory modules have been populated according

to the system guidelines.

• Make sure the memory modules are properly installed on their

mainboard slots.

Network connection indicators do not light.

Do the following:

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

are in proper condition.

• Reinstall the network drivers.

• Try another port or hub on the switch.

Network activity indicators do not light.

Do the following:

• Make sure the correct network drivers are loaded on the system.

• Network might be idle.

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Acer Altos R5250 User Manual Page 111