Acer Aspire XC600 Service Manual page 78

Real-Time Clock-related Symptoms
Symptom/Error
Real-time clock is inaccurate.
Audio-related Symptoms
Symptom/Error
Audio software program invoked but no
sound comes from speakers.
Modem-related Symptoms
Symptom/Error
Modem ring cannot wake up system from
suspend mode.
Data/fax modem software program invoked
but cannot receive/send data/fax
Fax/voice modem
invoked but has no sound output. (Data
files are received normally; voice from
modem cannot be produced, but system
sound feature works normally.)
Video and Monitor-related Symptoms
Symptom/Error
Video memory test failed.Video adapter
failed.
Display problem
• Incorrect colors
• No high intensity
• Missing, broken, or incorrect characters
• Blank monitor (dark)
• Blank monitor (bright)
• Distorted image
• Unreadable monitor
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Action/FRU
• Ensure the information in the Standard CMOS Feature of
• RTC battery
• Mainboard
Action/FRU
• Speaker power/connection/cable
Action/FRU
• For an external modem, make sure Power on By Ring in
• If a PCI modem card is used, reinsert the modem card to the
• In Win 98, ensure the telephone application is configured
• Ensure the modem card is installed properly.
software program • Ensure the modem voice-in cable from modem adapter card
Action/FRU
• Remove all non-factory-installed cards.
• Load default settings (if screen is readable).
• Mainboard
• Monitor signal connection/cable
• Monitor
• Video adapter card
• Mainboard
BIOS Setup is set correctly.
BIOS Setup or Power Management is set to Enabled. For the
PCI modem, make sure Wake up by PCI card is set to
Enabled.
PCI slot firmly or replace the modem card.
correctly for your modem and set to receive messages and/
or fax.
is connected to the mainboard
Aspire XC600 Service Guide