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Check that relevant switches and jumpers on the hard drive and on the backplane
board are set correctly.
Optical drive activity indicator does not light
Do the following:
Make sure the SATA and power cables are properly connected.
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Check that relevant switches and jumpers on the drive are set correctly.
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Check that the drive is properly configured.
Optical drive tray cannot be ejected
Insert the tip of a paperclip into the small hole on the optical drive. Slowly pull the tray out
from the drive until the tray is fully extended.
Optical drive cannot read a disc
Do the following:
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Make sure you are using the correct type of disc.
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Make sure the disc is properly seated in the drive.
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Make sure the disc is unscratched.
Make sure the drive's cables are properly connected.
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Newly installed memory modules are not detected.
Do the following:
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Make sure the memory modules specifications comply with the system requirements.
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Make sure the memory modules have been populated according to the system
guidelines.
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Make sure the memory modules are properly installed on their mainboard slots.
Network activity indicators do not light.
Do the following:
Make sure the correct network drivers are loaded on the system.
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Network might be idle.