Intel S3420GPLX User Guide - Page 79

Hardware Diagnostic Testing, Verifying Proper Operation of Key System Lights

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Hardware Diagnostic Testing This section provides a more detailed approach to identifying a hardware problem and locating its source. Caution: Turn off devices before disconnecting cables: Before disconnecting any peripheral cables from the system, turn off the system and any external peripheral devices. Failure to do so can cause permanent damage to the system and/or the peripheral devices. 1. Turn off the system and all external peripheral devices. Disconnect each device from the system, except for the keyboard and the video monitor. 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 (refer to 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 CDROM 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: • Does the diskette drive activity light turn on briefly? If not, see "Drive Activity Light Does Not Light". • If system LEDs are illuminated, see "Make sure the BIOS is configured to allow the CD-ROM to be the first bootable device." 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 displays on the screen. The prompt varies according to the operating system. If the operating system prompt does not display, see "No Characters Display on Screen". Intel® Server Board S3420GP User Guide 77

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Intel® Server Board S3420GP User Guide
77
Hardware Diagnostic Testing
This section provides a more detailed approach to identifying a hardware problem and
locating its source.
Caution:
Turn off devices before disconnecting cables: Before disconnecting any peripheral cables
from the system, turn off the system and any external peripheral devices. Failure to do so
can cause permanent damage to the system and/or the peripheral devices.
1.
Turn off the system and all external peripheral devices. Disconnect each device
from the system, except for the keyboard and the video monitor.
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 (refer to 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:
•
Does the diskette drive activity light turn on briefly? If not, see
“Drive Activity
Light Does Not Light”
.
•
If system LEDs are illuminated, see
“Make sure the BIOS is configured to allow the
CD-ROM to be the first bootable device.”
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 displays on the screen. The
prompt varies according to the operating system. If the operating system prompt does not
display, see
“No Characters Display on Screen”
.