Acer M5150 manual Error Symptom Action/FRU Video and Monitor, Parallel/Serial Ports, Keyboard

Error Symptom		Action/FRU
	Video and Monitor
Video memory test failed.	1.	Remove all non-factory-installed cards.
Video adapter failed.	2.	Load default settings (if screen is readable).
	3.	Main board
Display problem:	1.	Monitor signal connection/cable.
- Incorrect colors	2.	Monitor
No high intensity	3.	Video adapter card
	4.	Main board
Missing, broken, or incorrect characters
Blank monitor (dark)
Blank monitor (bright)
Distorted image
Unreadable monitor
Other monitor problems
Display changing colors.	1.	Monitor signal connection/cable
	2.	Monitor
	3.	Main board
Display problem not listed above	1.	“Monitor"
(including blank or illegible monitor).	2.	Load default settings (if screen is readable).
	3.	Main board

Parallel/Serial Ports

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	1.	Make sure that the LPT# or COM# you test is the same as the
failed.		setting in BIOS Setup.
	2.	Loop-back.
	3.	Main board.
Printing failed.	1.	Ensure the printer driver is properly installed. Refer to the
		printer service manual.
	2.	Printer.
	3.	Printer cable.
	4.	Main board.
Printer problems.	1.	Refer to the service manual for the printer.
		Keyboard
Some or all keys on keyboard do not	1.	Keyboard
work.
		Power Supply
Pressing power switch does not turn off	1.	Ensure the Soft-off by PWR-BTTN. in BIOS Setup of Power
system. (Only unplugging the power		Management is not set to Instant-off.
cord from electrical outlet can turn off the	2.	Power switch cable assembly
system.)
Pressing power switch does not turn on	1.	Ensure the power override switch (situated at the back of the
the system.		machine, just above the connector for the power cable) is not set
		to OFF.
	2.	Power switch cable assembly.

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