Acer Veriton 3500G Veriton 3500G/5500G/7500G Service Guide - Page 131

Error Symptom Action/FRU 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. 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.) 1. Ensure the Soft-off by PWR-BTTN. in BIOS Setup of Power Management is not set to Instant-off. 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 Windows98 Start menu does not turn off the system. (Only pressing power switch can turn off the system). 1. Load default settings. 2. Reload software from Recovery CD. No system power, or power supply fan is not running. 1. Power Supply 2. Main board Other Problems Any other problems. 1. Undetermined Problems Chapter 4 121