Acer TravelMate 430 TravelMate 430 Service Guide - Page 94

Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. External display does not work correctly. USB does not work correctly Print problems. Action in Sequence Enter BIOS Setup Utility to execute "Load Setup defaults", then reboot system. Reconnect hard disk/CD-ROM/diskette drives. See "System Diagnostic Diskette" on page 50 See if there is an error beep. If there is an erro beep, then change main board. Power off. Then check if RAM CPU BIOS are well-connected. Press Fn+F5 three times slowly LCD FPC LCD inverter LCD USB device cable is firmly connected into the USB ports. Test one USB port each time. USB socket is firmly secured to the main board. Main board Ensure the "Parallel Port" in the "System Devices" of BIOS Setup Utility is set to Enabled. Onboard Devices Configuration Run parallel port test Printer driver Printer cable Printer Main board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work. Touchpad does not work. Action in Sequence Reconnect the keyboard cable. Keyboard Main board Reconnect touch pad cable. Modem port is secured to the main board Touch pad FPC Audio/Touch pad board Main board Modem-Related Symptoms Symptom / Error Action in Sequence Internal modem does not work correctly. Ensure the telephone cable is firmly plugged into the telephone wall socket and the modem port of the computer. Modem phone port is secured to the main board. modem combo board Main board NOTE: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4