Справочник Пользователя для Acer altos r510 mk2

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2
Make sure the system power cord is plugged into a properly 
grounded AC outlet.
3
Make sure your video display monitor and keyboard are correctly 
connected to the system.  Turn on the video monitor.  Set its 
brightness and contrast controls to at least two thirds of their 
maximum ranges (see the documentation supplied with your video 
display monitor).
4
If the operating system normally loads from the hard disk drive, 
make sure there is no diskette in drive A and no CD-ROM disk in 
the CD-ROM drive.  
5
If the power LED does light, attempt to boot from a floppy 
diskette or from a CD-ROM disk.
6
Turn on the system.  If the power LED does not light, see “Power 
Light Does Not Light.”
Verifying Proper Operation of Key System Lights
As POST determines the system configuration, it tests for the presence 
of each mass storage device installed in the system.  As each device is 
checked, its activity light should turn on briefly.  Check for the 
following:
If system LEDs are illuminated, see LED Information“” for a description of 
the light and steps to take to correct the problem.
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 on Screen
” 
Specific Problems and Corrective Actions
This section provides possible solutions for these specific problems:
Power light does not light.
No characters appear on screen.
Characters on the screen appear distorted or incorrect.