Acer AcerPower Sx Acer Power SX/SXb/SC Service Guide - Page 80

Error Symptom 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.) 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 Other monitor problems Display changing colors. Display problem not listed above (including blank or illegible monitor). Action/FRU 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 Date and Time of BIOS Setup is set correctly. 2. RTC battery. 3. System board Audio 1. Speaker power/connection/cable. Modem 1. Ensure the Modem Ring Indicator in BIOS Setup or Power Management 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. If ISA modem card is used, ensure the modem ring-in cable from the modem card to system board is connected properly. 4. 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 system board Video and Monitor 1. Remove all non-factory-installed cards. 2. Load default settings (if screen is readable). 3. System board 1. Monitor signal connection/cable. 2. Monitor 3. Video adapter card 4. System board 1. Monitor signal connection/cable 2. Monitor 3. System board 1. "Monitor". 2. Load default settings (if screen is readable). 3. System board 72 Chapter 4