Acer Aspire 7100 Aspire 7100 Service Guide - Page 80

Error Symptoms CD/DVD-ROM drive cannot load or eject when the system is turned on and its eject button is pressed and held. CD/DVD-ROM drive does not read and there are no messages are displayed. CD/DVD-ROM drive can play audio CD but no sound output. Real-Time Clock Real-time clock is inaccurate. Audio Audio software program invokes but no sound comes from speakers. Modem Modem ring cannot wake up system from suspend mode. Data/fax modem software program invokes but cannot receive/send data/fax Action/FRU Disconnect all cables from CD/DVD-ROM drive except power cable, then press eject button to try to unload the disk. CD/DVD-ROM drive power. CD/DVD-ROM drive CD may have dirt or foreign material on it. Check with a known good disc. Ensure the CD/DVD-ROM driver is installed properly. CD/DVD-ROM drive. Ensure the headphone jack of the CD/DVD-ROM has an output. Turn up the sound volume. Speaker power/connection/cable. CD/DVD-ROM drive. Ensure the information in the Date and Time of BIOS Setup is set correctly. RTC battery. System board Speaker power/connection/cable. Ensure the Modem Ring Indicator in BIOS Setup or Power Management is set to Enabled. If PCI modem card is used, reinsert the modem card to PCI slot firmly or replace modem card. If ISA modem card is used, ensure the modem ring-in cable from the modem card to system board is connected properly. 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. 74 Troubleshooting