Dell Precision T5400 User's Guide - Page 115

• Reseat the memory modules (see "Memory" on page 187) to ensure that your computer is successfully communicating with the memory. • Run the Dell Diagnostics (see "Dell Diagnostics" on page 136). IF YOU EXPERIENCE OTHER MEMORY PROBLEMS - • Reseat the memory modules (see "Memory" on page 187) to ensure that your computer is successfully communicating with the memory. • Ensure that you are following the memory installation guidelines (see "Installing Memory" on page 190). • 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 "Memory" on page 187. • Run the Dell Diagnostics (see "Dell Diagnostics" on page 136). 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. TES T T H E MO U SE - 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. Troubleshooting 115