Acer ASPIRE Z3750, Руководство по обслуживанию

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Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide 79
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
system operates normally. • With the system power on, measure the voltage of the HDD
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
but works normally. • Enter CMOS Setup and load the default settings.
• 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 the eject button to try to unload the disc.
• CD/DVD-ROM drive power cable
• 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.
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.