Mouse Problems; Network Problems - Dell Vostro 220s Service Manual

Save and close any open files and exit any open programs you are not using to see if that resolves the problem.
See the software documentation for minimum memory requirements. If necessary, install additional memory (see
Replacing or Adding a Memory
Reseat the memory modules to ensure that your computer is successfully communicating with the memory.
Run the Dell Diagnostics (see
If you experience other memory problems —
Reseat the memory modules (see
communicating with the memory.
Ensure that you are following the memory installation guidelines.
Ensure that the memory you are using is supported by your computer. For more information about the type of memory
supported by your computer, see "Specifications" in the Setup and Quick Reference Guide.
Run the Dell Diagnostics (see

Mouse 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.
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 <Ctrl><Esc> to display the Start menu.
2. Press <u>, press the up- and down-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 setup diagram.
4. Turn on the computer.
Test the mouse — 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
Run the Hardware Troubleshooter —

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.
Module).
Dell Diagnostics).
Replacing or Adding a Memory
Dell Diagnostics).
See Hardware Troubleshooter.
Module) to ensure that your computer is successfully