Verifying the condition of the storage devices, Confirming loading of the operating system – Acer Altos G330 Series User Manual
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Verifying the condition of the storage devices
As POST determines the system configuration, it tests for the presence
of each storage device installed in the system. As each device is
checked, its activity indicator should turn on green briefly. Check the
activity indicators for the hard drive(s), DVD-ROM drive, floppy drive,
and any other 5.25-inch device you may have installed.
If any of these indicators fail to light up, refer to the related problems
listed in the "Component troubleshooting" 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 the "No characters
appear the display monitor" item on page 93.