38 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mNetwork ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.RE S T A R T T H E C O M P U T E R —1 Simultaneously press to display the Start menu.2 Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press .3 After the computer turns off, reconnect the mouse cable as shown on the on the setup diagram for yourcomputer.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.CH 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.RE I N S T A L L T H E M O U S E D R I V E R — See page 50.RU N T H E HA R D W A R E TR O U B L E S H O O T E R — See page 52.CH 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 intoboth the network connector on the back of the computer and the network jack.CH 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 ofnetwork lights, see "Controls and Lights" on page 106.RE 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 NCH 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 upyour network to verify that your network settings are correct and that the network is functioning.RU N T H E HA R D W A R E TR O U B L E S H O O T E R — See page 52.