Acer AT110 F2 Acer AT110 F2 Service Guide - Page 68

(including blank or illegible monitor). 2. 3. Load default settings (if screen is readable). Main board Parallel/Serial Ports 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. 1. 2. 3. Printing failed. 1. 2. 3. 4. Printer problems. 1. Make sure that the LPT# or COM# you test is the same as the setting in BIOS Setup. Loop-back. Main board. Ensure the printer driver is properly installed. Refer to the printer service manual. Printer. Printer cable. Main board. Refer to the service manual for the printer. Keyboard Some or all keys on keyboard do not work. 1. Keyboard Power Supply Pressing power switch does not turn off system. (Only unplugging the power cord from electrical outlet can turn off the system.) Pressing power switch does not turn on the system. 1. 2. 1. Ensure the AC-LINK in BIOS Setup of Boot Configuration is not set to Stay-off. Power switch cable assembly Ensure the power override switch (situated at the back of the machine, just above the connector for the power cable) is not set to OFF. Power switch cable assembly. Load default settings. Reload software from Recovery CD. Executing software shutdown from Windows98 Start menu does not turn off the system. (Only pressing power switch can turn off the system). No system power, or power supply fan is not running. 2. 1. 2. 1. 2. Power Supply Main board Other Problems Any other problems. 1. Undetermined Problems 64