Acer Aspire X3950 Service Guide - Page 78
Real-Time Clock-Related Symptoms, Symptom / Error, Action/FRU, Audio-Related Symptoms - no sound
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Real-Time Clock-Related Symptoms Symptom / Error Real-time clock is inaccurate. Audio-Related Symptoms Symptom / Error Audio software program invokes but no sound comes from speakers. 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. Modem-Related Symptoms Symptom / Error Action/FRU Modem ring cannot wake up system from suspend mode. 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. If PCI modem card is used, reinsert the modem card to 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. Data/fax modem software program invokes Ensure the modem card is installed properly. but cannot receive/send data/fax Fax/voice modem software program Ensure the modem voice-in cable from modem adapter card invokes but has no sound output. (Data files to mainboard 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 Display changing colors. 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 Monitor signal connection/cable. Video adapter card Mainboard 70 Chapter 4