Acer Z5751, Z3751, Z3750, Z5750 manual Hard Disk Drive-related Symptoms Symptom/Error Action/FRU

Hard Disk Drive-related Symptoms

Symptom/Error	Action/FRU
Hard disk drive test failed.	•	Enter CMOS Setup and load the default settings.
	• Hard disk drive cable
	•	Hard disk drive
	•	Mainboard
Hard disk drive cannot format completely.	•	Enter CMOS Setup and load the default settings.
	• Hard disk drive cable
	•	Hard disk drive
	•	Mainboard
Hard disk drive has write error.	•	Enter CMOS Setup and load the default settings.
	•	Hard disk drive
Hard disk drive LED fails to light, but	•	With the system power on, measure the voltage of the HDD
system operates normally.		LED connector.
	•	HDD LED cable

NOTE Make sure the hard disk drive is configured correctly in CMOS Setup and that cable/jumper are set correctly before diagnosing any hard disk drive problems. (If only one drive is installed, please make sure the drive is connected to master connector or the drive is set to master.)

Optical Disc Drive-related Symptoms

Symptom/Error	Action/FRU
CD/DVD-ROM drive LED doesn't come on	•	Enter CMOS Setup and load the default settings.
but works normally.	•	DIMM
	•	Mainboard
CD/DVD-ROM drive LED flashes for more	•	CD/DVD-ROM may have dirt or foreign material on it. Check
than 30 seconds before LED shutting off.		with a known good disc.
Software asks to reinstall disc. Software	•	CD/DVD-ROM is not inserted properly.
displays a reading CD/DVD error.	• CD/DVD-ROM is damaged.
CD/DVD-ROM drive cannot load or eject	•	Disconnect all cables from CD/DVD-ROM drive except power
when the system is turned on and its eject		cable, then press the eject button to try to unload the disc.
button is pressed and held.	• CD/DVD-ROM drive power cable
	•	CD/DVD-ROM drive
CD/DVD-ROM drive does not read and	•	CD may have dirt or foreign material on it. Check with a
there are no messages are displayed.		known good disc.
	• Ensure the CD/DVD-ROM driver is installed properly.
	•	CD/DVD-ROM drive.
CD/DVD-ROM drive can play audio CD but	•	Ensure the headphone jack of the CD/DVD-ROM has an
no sound output.		output.
	• Turn up the sound volume.
	•	Speaker power/connection/cable.
	•	CD/DVD-ROM drive.

NOTE Make sure the optical disc drive is configured correctly in CMOS Setup, the cable/jumper are set correctly and the drive’s optical lens is clean before diagnosing any optical drive problems.

Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide 79