Dell Vostro 220 Service Manual - Page 26

• 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, and 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. REINSTALL THE MOUSE DRIVER 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 "Hardware Troubleshooter" on page 12. Network Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. 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 "About Your Computer" in the Setup and Quick Reference Guide), 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 26 Troubleshooting