Acer Aspire Z1650 Acer Aspire Z1650 Desktop Service Guide - Page 99

Real-Time Clock-related Symptoms Symptom/Error Real-time clock is inaccurate. Action/FRU • Ensure the information in the Standard CMOS Feature of BIOS Setup is set correctly. • RTC battery • Mainboard Audio-related Symptoms Symptom/Error Audio software program invoked but no sound comes from speakers. Action/FRU • Speaker power/connection/cable 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.) 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 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 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 Aspire Z1650 AIO Computer Service Guide 91