Acer Aspire Z1650 Service Manual page 99

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 software program
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
Aspire Z1650 AIO Computer Service Guide
Action/FRU
• Ensure the information in the Standard CMOS Feature of
BIOS Setup is set correctly.
• RTC battery
• Mainboard
Action/FRU
• Speaker power/connection/cable
Action/FRU
• For an 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.
• If a PCI modem card is used, reinsert the modem card to
the PCI slot firmly or replace the modem card.
• In Win 98, ensure the telephone application is configured
correctly for your modem and set to receive messages
and/or fax.
• Ensure the modem card is installed properly.
• Ensure the modem voice-in cable from modem adapter
card is connected to the mainboard
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
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