Keyboard Problems; Mouse Problems - Dell Dimension DMC Owner's Manual

Keyboard Problems

R ESTART THE COMPUTER
• If the mouse is functioning, shut down the computer through the Start menu (see page 13). After
the computer shuts down, press the power button to restart the computer.
• If the computer does not respond to a keystroke or the mouse, press the power button for at least 8
to 10 seconds until the computer turns off. Press the power button again to restart the computer.
C HECK THE KEYBOARD CABLE
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see page 13), reconnect the keyboard cable as shown on the setup
diagram for your computer, and then restart the computer.
• Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten
bent pins.
• Remove keyboard extension cables and connect the keyboard directly to the computer.
T EST THE KEYBOARD
keyboard. If the new keyboard works, the original keyboard is faulty.
C HECK FOR INTERRUPT REQUEST CONFLICTS

Mouse Problems

ESTART THE COMPUTER
R
1
Simultaneously press <Ctrl><Esc> to display the Start menu.
2
Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press
<Enter>.
3 After the computer turns off, press the power button to restart the computer.
I F YOU CONNECTED THE MOUSE BEFORE TURNING ON THE COMPUTER
1
Simultaneously press <Ctrl><Esc> to display the Start menu.
2
Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press
<Enter>.
3 After the computer turns off, reconnect the mouse cable as shown on the setup diagram for your
computer.
4
Start the computer.
30
Solving Problems
—
—
— Connect a properly working keyboard to the computer, and try using the
— See page 49.
—
, RECONNECT THE MOUSE CABLE —