Acer Power SP Technical Information PDF herunterladen (Seite 64)

58 Chapter 4

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. System board.

Printing failed. 1. Ensure the printer driver is properly installed. Refer to the printer

service manual.

2. Printer.

3. Printer cable.

4. System 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 Power Switch < 4 sec. in BIOS Setup of Power

Management is not set to Suspend.

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. System Board

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Acer Power SP Technical Information Seite 64