Acer Aspire M5810 Service Manual page 62

Acer laptop user manual
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Error Symptom
CD/DVD-ROM drive LED doesn't come on but works
normally.
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 drive cannot load or eject when the
system is turned on and its eject button is pressed
and held.
CD/DVD-ROM drive does not read and there are no
messages are displayed.
CD/DVD-ROM drive can play audio CD but no
sound output.
Real-time clock is inaccurate.
Audio software program invokes but no sound
comes from speakers.
Modem ring cannot wake up system from suspend
mode.
Data/fax modem software program invokes but
cannot receive/send data/fax
Fax/voice modem software program invokes but has
no sound output. (Data files are received normally;
voice from modem cannot be produced, but system
sound feature works normally.)
55
1.CD/DVD-ROM drive
1.CD/DVD-ROM may have dirt or foreign material on
it. Check with a known good disc.
2. CD/DVD-ROM is not inserted properly.
3.CD/DVD-ROM is damaged.
1.Disconnect all cables from CD/DVD-ROM drive
except power cable, then press eject button to try to
unload the disk.
2.CD/DVD-ROM drive power.
3.CD/DVD-ROM drive
1.CD may have dirt or foreign material on it. Check
with a known good disc.
2.Ensure the CD/DVD-ROM driver is installed
properly.
3.CD/DVD-ROM drive.
1.Ensure the headphone jack of the CD/DVD-ROM
has an output.
2.Turn up the sound volume.
3.Speaker power/connection/cable.
4.CD/DVD-ROM drive.
Real-time clock
1.Ensure the information in the Standard CMOS
Feature of BIOS Setup is set correctly.
2.RTC battery.
3.Main board.
Audio
1.Speaker power/connection/cable.
Modem
1.For the External Modem, make sure Power on By
Ring in BIOS Setup or Power Management is set to
Enabled. For the PCI modem, make sure Wake up
by PCI card is set to Enabled.
2.If PCI modem card is used, reinsert the modem
card to PCI slot firmly or replace the modem card.
3.In Win 98, ensure the telephone application is
configured correctly for your modem and set to
receive messages and/or fax.
1.Ensure the modem card is installed properly.
1.Ensure the modem voice-in cable from modem
adapter card to main board
Video and Monitor
Action/FRU
Chapter 4

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