Acer AT310 F2 Acer AT310 F2 Server Service Guide - Page 76

3. 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. Make sure that the LPT# or COM# you test is the same as the setting in BIOS Setup. 2. Loop-back. 3. Main board. Printing failed. 1. Ensure the printer driver is properly installed. Refer to the printer service manual. 2. Printer. 3. Printer cable. 4. Main board. Printer problems. 1. Refer to the service manual for the printer. Some or all keys on keyboard do not work. Keyboard 1. Keyboard Power Supply Pressing power switch does not turn off system. 1. Ensure the AC-LINK in BIOS Setup of Boot (Only unplugging the power cord from electrical Configuration is not set to Stay-off. outlet can turn off the system.) 2. Power switch cable assembly Pressing power switch does not turn on the system. 1. 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. 2. Power switch cable assembly. Executing software shutdown from 1. Load default settings. Windows98 Start menu does not turn off 2. Reload software from Recovery CD. the system. (Only pressing power switch can turn off the system). No system power, or power supply fan is not 1. Power Supply running. 2. Main board Any other problems. Other Problems 1. Undetermined Problems 72