B A C K U P Y O U R F I L E S I M M E D I A T E L Y

U S E A V I R U S - S C A N N I N G P R O G R A M T O C H E C K T H E H A R D D R I V E , F L O P P Y D I S K S , CD S , O R DVD S

S A V E A N D C L O S E A N Y O P E N F I L E S O R P R O G R A M S A N D S H U T D O W N Y O U R C O M P U T E R T H R O U G H T H E S T A R T M E N U

Memory Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product

Information Guide.

I F Y O U R E C E I V E A N I N S U F F I C I E N T M E M O R Y M E S S A G E

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 "Installing Memory" on page 314).

Reseat the memory modules (see "Memory" on page 313) to ensure that your computer is successfully communicating with the memory.

Run the Dell Diagnostics (see "Dell Diagnostics" on page 353).

I F Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S

Reseat the memory modules (see "Memory" on page 313) 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 314).

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 the specifications for your computer.

Run the Dell Diagnostics (see "Dell Diagnostics" on page 353).

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 T A R T T H E C O M P 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.

TE S T T H E M O U S E 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 T T I N G S

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Solving Problems

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Image 338
Dell 755 manual Memory Problems, Mouse Problems, 338