Acer Aspire 7100 Aspire 7100 Service Guide - Page 81

Error Symptoms Action/FRU 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.) Ensure the modem voice-in cable from modem adapter card to system board Video and Monitor Video memory test failed. Video adapter failed. Remove all non-factory-installed cards. Load default settings (if screen is readable). System board Display problem: - Incorrect colors No high intensity Missing, broken, or incorrect characters Monitor signal connection/cable. Monitor Video adapter card System board Blank monitor(dark) Blank monitor(bright) Distorted image Unreadable monitor Other monitor problems Display changing colors. Monitor signal connection/cable Monitor System board Display problem not listed above (including blank or illegible monitor). "Monitor". Load default settings (if screen is readable). System board Parallel/Serial Ports NOTE Execute "Load BIOS Default Settings" in BIOS Setup to confirm ports' presence before diagnosing any parallel/serial ports problems. Serial or parallel port loop-back test failed. Printing failed. Printer problems. Make sure the LPT# or COM# you test is the same as is set in BIOS Setup. Loop-back. System board. Ensure the printer driver is properly installed. Refer to the service manual for the printer. Printer. Printer cable. System board. Refer to the service manual for the printer. Chapter 4 75