Acer AT110 Series User Manual page 87

HDD activity indicator does not light.
Do the following:
• Make sure the data and power cables are connected correctly.
• Check that relevant switches and jumpers on the hard drive and on
the backplane board (for hot-swappable HDD) are set correctly.
DVD drive activity indicator does not light.
Do the following:
• Make sure the SATA and power cables are properly connected.
• Check that relevant switches and jumpers on the drive are set
correctly.
• Check that the drive is properly configured.
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 unscratched and free of any contaminants.
• Make sure the drive's 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.
71