The keyboard doesn't work.
1 • Press the Caps Lock key several times, to see whether the LED commutes from on to off.
2 • If this doesn't happen, check that your keyboard's cable has been inserted into the rear panel connector in the right way.
3 • If the problem persists, contact Acer Technical Support.
If at boot time your system gives the following warning:
Keyboard Error, No Keyboard Connected or Keyboard Interface Error
Check that your keyboard has been properly connected, and that it hasn't been unplugged.
The modem has been connected, but there's no dial tone.
1 • Check that the in and out lines are properly connected, as they can easily be mistaken 2 • Make sure that all the phones connected to the external phone line aren't using the line at the same time.
The modem doesn't work.
1 • Ensure that the phone line cable has been inserted into the socket in the computer's rear panel marked as Line or Wall.
2 • Ensure that the phone line cable has been firmly connected to your computer, and to the wall plug.
3 • If the modem is still not working, disconnect any other equipment connected to the same phone line.
4 • If the modem is still not working, deactivate all your phone line special services, such as call waiting and similar.
When you switch your system on, the monitor doesn't go active.
1 • Ensure that your monitor power on LED is on.
2 • Check your brightness and contrast settings, and adjust as needed.
3 • If the problem persists, check that your monitor is properly connected to your computer.
The monitor doesn't go active.
1 • If the power on LED is off, check that your monitor has been connected to a power source.
2 • If the monitor power on LED is on and flashing, check that the monitor video cable has been properly connected to your computer.
3 • If the computer power on LED flashes, depress the switch once.
4 • If necessary, disconnect the monitor from your computer, then check the PINs on the monitor's cable connector, to check that they haven’t been bent or broken.
The mouse makes erratic movements.
Clean your mouse:
1 • Turn your mouse upside down.
2 • Remove the ring that keeps the ball in place, by turning it counterclockwise.
3 • Clean every moving part of your mouse using a cotton cloth or pad that has been moistened with alcohol.
4 • Put the ball back into the mouse, then place the ring back, turning it clockwise to restore its original position.
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