Acer Veriton 7600GTR, Service Manual

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101 Chapter 4
Audio
Audio software program invokes but no sound
comes from speakers. 1. Speaker power/connection/cable.
Modem
Modem ring cannot wake up system from
suspend mode. 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.
Data/fax modem software program invokes
but cannot receive/send data/fax 1. Ensure the modem card is installed properly.
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.) 1. Ensure the modem voice-in cable from modem adapter card to
main board
Video and Monitor
Video memory test failed.
Video adapter failed.
1. Remove all non-factory-installed cards.
2. Load default settings (if screen is readable).
3. Main board
Display problem:
- Incorrect colors
No high intensity
Missing, broken, or incorrect characters
Blank monitor (dark)
Blank monitor (bright)
Distorted image
Unreadable monitor
Other monitor problems
1. Monitor signal connection/cable.
2. Monitor
3. Video adapter card
4. Main board
Display changing colors. 1. Monitor signal connection/cable
2. Monitor
3. Main board
Display problem not listed above (including
blank or illegible monitor). 1. “Monitor"
2. Load default settings (if screen is readable).
3. Main board
Error Symptom Action/FRU