Dell XPS 720 Black Owner's Manual - Page 60

Mouse Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CHECK THE MOUSE CABLE - • Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins. Straighten any bent pins. • Remove any mouse extension cables, and connect the mouse directly to the computer. • Verify that the mouse cable is connected as shown on the setup diagram for your computer. RESTART THE COMPUTER - 1 Simultaneously press to display the Start menu. 2 Press , press the up- and down-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 setup diagram. 4 Turn on the computer. TE S T T H E M O U S E - Connect a properly working mouse to the computer, then try using the mouse. CHECK THE MOUSE SETTINGS - Windows XP 1 Click Start→ Control Panel→ Mouse. 2 Adjust the settings as needed. Windows Vista: 1 Click Start → Control Panel→ Hardware and Sound→ Mouse. 2 Adjust the settings as needed. R E I N S T A L L T H E M O U S E D R I V E R - See "Drivers" on page 75. 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 "Troubleshooting Software and Hardware Problems" on page 83. Network Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions 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 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 (see "Controls and Lights" on page 163), no network communication is occurring. Replace the network cable. RESTART THE COMPUTER AND LOG ON TO THE NETWORK AGAIN 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 "Troubleshooting Software and Hardware Problems" on page 83. 60 Troubleshooting