Acer G540-E5405 Altos G540 User's Guide EN - Page 114

Hardware diagnostic testing, Checking the boot-up status

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104 5 System troubleshooting Hardware diagnostic testing This section provides a detailed approach to identifying a hardware problem and its cause. Checking the boot-up status Caution: Before disconnecting any peripheral cables from the server, turn off the system and any peripheral devices. Failure to do so can cause permanent damage to the system and/or the peripheral device. 1 Turn off the system and all external peripheral devices. 2 Disconnect all peripheral devices from the system, except for the keyboard and the display monitor. 3 Make sure the system power cord is plugged into a properly grounded AC outlet and in the power supply module cord socket. 4 Make sure the display monitor and keyboard are correctly connected to the system. 5 Turn on the display monitor. 6 Set the display brightness and contrast controls to at least two thirds of their maximum range. Refer the documentation that came with your display monitor. 7 If the operating system normally loads from the hard drive, make sure there is no diskette in floppy drive and no disc in the DVD-ROM drive. 8 If the power indicator is lit, attempt to boot from a floppy diskette or from a disc. 9 Turn on the system. If the power indicator did not light up, see "Power indicator does not light" on page 106.

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5 System troubleshooting
104
Hardware diagnostic testing
This section provides a detailed approach to identifying a hardware
problem and its cause.
Checking the boot-up status
Caution:
Before disconnecting any peripheral cables from the
server, turn off the system and any peripheral devices.
Failure to
do so can cause permanent damage to the system and/or the
peripheral device.
1
Turn off the system and all external peripheral devices.
2
Disconnect all peripheral devices from the system, except for the
keyboard and the display monitor.
3
Make sure the system power cord is plugged into a properly
grounded AC outlet and in the power supply module cord socket.
4
Make sure the display monitor and keyboard are correctly
connected to the system.
5
Turn on the display monitor.
6
Set the display brightness and contrast controls to at least two
thirds of their maximum range.
Refer the documentation that came with your display monitor.
7
If the operating system normally loads from the hard drive, make
sure there is no diskette in floppy drive and no disc in the
DVD-ROM drive.
8
If the power indicator is lit, attempt to boot from a floppy diskette
or from a disc.
9
Turn on the system.
If the power indicator did not light up, see “Power indicator does
not light” on page 106.