Dell Dimension C521, Owner'S Manual, Page: 39 / 140

Solving Problems
39
Mouse Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide .
I F YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules (see "Memory" on page 64) to ensure that your computer is successfully
communicating with the memory.
• Ensure that you are following the memory installation guidelines (see "Memory" on page 64).
• Your computer supports DDR2 memory. For more information about the type of memory supported by
your computer, see "Memory" on page 64.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 50).
C LEAN THE MOUSE — For instructions on cleaning the mouse, see "Mouse" on page 106 .
C HECK THE MOUSE CABLE —
1
Remove mouse extension cables, if used, and connect the mouse directly to the computer.
2
Reconnect the mouse cable as shown in the setup diagram for your computer.
R
ESTART 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 on the setup diagram for your
computer.
4
Start the computer.
T
EST THE MOUSE
— Connect a properly working mouse to the computer, and try using the mouse.
C HECK THE MOUSE SETTINGS —
1
Click the Start button, click Control Panel , and then click Printers and Other Hardware .
2
Click Mouse .
3
Try adjusting the settings.
R EINSTALL THE MOUSE DRIVER — See "Reinstalling Drivers" on page 53.
R UN THE H ARDWARE T ROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 54 .