Acer ASPIRE M5802(G) Service Manual page 65

Error Symptom
Video memory test failed.Video adapter failed.
Display problem:
-Incorrect colors
No high intensity
Missing, broken, or incorrect characters
Blank monitor (dark)
Blank monitor (bright)
Distorted image
Unreadable monitor
Other monitor problems
Display changing colors.
Display problem not listed above (including blank or
illegible monitor).
Execute "Load BIOS Default Settings" in BIOS Setup to confirm ports presence before diagnosing any
parallel/serial ports problems.
Serial or parallel port loop-back test failed.
Printing failed.
Printer problems.
Some or all keys on keyboard do not work.
Pressing power switch does not turn off system.
(Only unplugging the power cord from electrical
outlet can turn off the system.)
Pressing power switch does not turn on the system.
Chapter 4
1.Remove all non-factory-installed cards.
2.Load default settings (if screen is readable).
3.Main board
1.Monitor signal connection/cable.
2.Monitor
3.Video adapter card
4.Main board
1.Monitor signal connection/cable
2.Monitor
3.Main board
1."Monitor"
2.Load default settings (if screen is readable).
3.Main board
Parallel/Serial Ports
1.Make sure that the LPT# or COM# you test is the
same as the setting in BIOS Setup.
2.Loop-back.
3.Main board
1.Ensure the printer driver is properly installed.
Refer to the printer service manual.
2.Printer.
3.Printer cable.
4.Main board.
1.Refer to the service manual for the printer.
Keyboard
1.Keyboard
Power Supply
1.Ensure the Soft-off by PWR-BTTN. in BIOS Setup
of Power Management is not set to Instant-off.
2.Power switch cable assembly
1.Ensure the power override switch (situated at the
back of the machine, just above the connector for
the power cable) is not set to OFF.
2.Power switch cable assembly.
Action/FRU
57