Acer Aspire X3950, Service Manual

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Chapter 4 69
NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, 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.)
NOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and
its laser beam is clean before diagnosing any CD/DVD-ROM drive problems.
Hard Disk Drive-Related Symptoms
Symptom / Error Action/FRU
Hard disk drive test failed.

Enter BIOS Setup and Load default settings

Hard disk drive cable

Hard disk drive

Mainboard
Hard disk drive cannot format completely.

Enter BIOS Setup and Load default settings

Hard disk drive cable

Hard disk drive

Mainboard
Hard disk drive has write error.

Enter BIOS Setup and Load default settings

Hard disk drive
Hard disk drive LED fails to light, but
system operates normally.

With the system power on, measure the voltage of hard disk
LED connector.

Hard drive LED cable
CD/DVD-ROM Drive-Related Symptoms
Symptom / Error Action/FRU
CD/DVD-ROM drive LED doesn't come on
but works normally.

Run “Load Setup Defaults” in BIOS Setup Utility, then reboot
system.

DIMM

Mainboard
CD/DVD-ROM drive LED flashes for more
than 30 seconds before LED shutting off.
Software asks to reinstall disc. Software
displays a reading CD/DVD error.

CD/DVD-ROM may have dirt or foreign material on it. Check
with a known good disc.

CD/DVD-ROM is not inserted properly.

CD/DVD-ROM is damaged.
CD/DVD-ROM drive cannot load or eject
when the system is turned on and its eject
button is pressed and held.

Disconnect all cables from CD/DVD-ROM drive except
power cable, then press eject button to try to unload the disk.

CD/DVD-ROM drive power.

CD/DVD-ROM drive
CD/DVD-ROM drive does not read and
there are no messages are displayed.

CD may have dirt or foreign material on it. Check with a
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
no sound output.

Ensure the headphone jack of the CD/DVD-ROM has an
output.

Turn up the sound volume.

Speaker power/connection/cable.

CD/DVD-ROM drive.