Users Guide

Troubleshooting your system
You can troubleshoot your system using indicators like diagnostic lights, and error messages during the operation of the device.
Diagnostic power LED codes
Table 10. Diagnostic power LED codes
Power LED light status Possible cause Troubleshooting steps
At rst power apply :No LED light up briey
Both power LED and activity LED come up
briey and then turn o.
• Check AC power, call your utility
company
• Check AC power cord is plug-in
• Check DC plug is plug into the unit
At rst power apply : Both LED stay ON Both power LED and activity LED come up
briey and then turn o
• Logic board defect
• BIOS malfunctioning
• Abnormal power source
Push power button the LED does not turn
• Power LED should come up in steady
BLUE
• Activity LED should turn on in steady
AMBER
• Logic board defect
• Power button defect
• Mechanical assembly misalign cause
miss actuation
LED comes up normally but it will not
display.
It will come up with BIOS screen in few
seconds
• Incompatible monitor
• Defect logic board
• Malfunction dongle (if used)
• Defect cable or connector
Distorted display
It should have normal viewable display.
• Incompatible monitor
• Incompatible dongle (if used)
• Not supported display mode
• Bad connection on display output
• Logic board defect
12
Troubleshooting your system 45