Acer AT110 Series, User Manual

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5 System troubleshooting 70
activity indicators for the hard drive(s), DVD-ROM drive, and any other
5.25" device you may have installed.
If any of these indicators fail to light up, refer to related problems
listed in the Specific problems and corrective actions section.
Confirming loading of the operating system
Once the system boots up, the operating system prompt appears on
the screen. The prompt varies according to the operating system. If the
operating system prompt does not appear, see "No characters appear
the display monitor" on page 72.
Specific problems and corrective
actions
Listed below are specific problems that may arise during the use of
your server and their possible solutions.
Power indicator does not light.
Do the following:
• Make sure the power supply module is properly installed.
• Make sure the power cord is connected correctly.
• Make sure that the wall outlet has power. Test it by plugging in
another device.
• Make sure the power indicator on the front panel is lit up.
• Remove all add-in cards and see if the system boots.
If reboot is successful, install the cards back in one at a time with a
reboot between each addition to determine if one of them is
causing the problem.
• Make sure that you have properly installed system compliant
memory modules, and that they are populated according to the
system guidelines.
• Make sure that you have installed system compliant processors,
and that they are populated according to the system guidelines.