R E S T A R T T H E C O M P U T E 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, reconnect the mouse cable as shown on the on the setup diagram for your computer.

4 Start the computer.

TE S T T H E M O U S E — Connect a properly working mouse to the computer, and try using the mouse.

C H E C K T H E M O U S E S E T T I N G S

1 Click the Start button, click Control Panel, and then click Printers and Other Hardware.

2 Click Mouse.

3 Try adjusting the settings.

R E I N S T A L L T H E M O U S E D R I V E R — See page 60.

R U N T H E H A R D W A R E TR O U B L E S H O O T E R — See page 64.

Network Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

C H E C K T H E N E T W O R K C A B L E C O N N E C T O R — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network jack.

C H E C K T H E N E T W O R K L I G H T S O N T H E B A C K O F T H E C O M P U T E R — If the link integrity light is off, that indicates no network communication exists. Replace the network cable. For a description of network lights, see "Connectors" on page 117.

R E S T A R T T H E C O M P U T E R A N D L O G O N T O T H E N E T W O R K A G A I N

C H E C K Y O U R N E T W O R K S E T T I N G S — Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning.

R U N T H E H A R D W A R E TR O U B L E S H O O T E R — See page 64.

Solving Problems

45

Page 45
Image 45
Dell U7021, WHL manual Network Problems