Dell Precision T5400 (Late 2007) - Manual (Page 115)

Troubleshooting 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).
I F YO U E X PE R I E N C E O T H E R M E M O RY P R O B L E M S —
• 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.
C H E C K T H E M O U S E C A B L E —
• 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.
R E S TA RT T H E CO MP U T E R —
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.
T ES T T H E MO U SE — Connect a properly working mouse to the computer, then try
using the mouse.
C
H E C K T H E M O U S E S E TT I N G S —
Windows XP:
1 Click Start→ Control Panel→ Mouse.
2 Adjust the settings as needed.