Network Problems - Dell OptiPlex 745 User Manual

Solving Problems: Dell OptiPlex 745 User's Guide
Restart the computer —
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 in the
Quick Reference Guide for your computer.
4. Start the computer.
Test the mouse —
the mouse. If the new mouse works, the original mouse is faulty.
Check the mouse settings —
1. Click the Start button, click Control Panel, and then click Printers and Other
Hardware.
2. Click Mouse.
3. Try adjusting the settings.
If you are using a PS/2 mouse
1. Enter system setup (see
option is set to On.
2. Exit system setup and restart the computer.
Reinstall the mouse driver —
Run the Dell Diagnostics —
Check for software and hardware conflicts —
Incompatibilities.

Network Problems

Fill out the Diagnostics Checklist
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions located in the Product Information Guide.
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Great user manuals database on
Connect a properly working mouse to the computer, and try using
Entering System
See Reinstalling Drivers and
See Dell Diagnostics.
as you complete these checks.
UserManuals.info
Setup) and ensure that the Mouse Port
Utilities.
See Resolving Software and Hardware