Dell t7400 Quick Reference Manual

Also see for Precision T7400 DCDO: Quick reference guide Specification User guide Specifications Quick reference guide

Contents

44 Quick Reference GuideB A C K U P Y O U R F I L E S I M M E D I A T E L YU 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 SS 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 RC 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 UMemory ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct 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 ifthat resolves the problem.• See the software documentation for minimum memory requirements. If necessary,install additional memory (see "Installing a Memory Module" in your User’s Guide).• Reseat the memory modules (see "Removing the Front Panel" in your User’s Guide)to ensure that your computer is successfully communicating with the memory.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).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 "Removing the Front Panel" in your User’s Guide)to ensure that your computer is successfully communicating with the memory.• Ensure that you are following the memory installation guidelines (see "Installinga Memory Module" in your User’s Guide).• Ensure that the memory you are using is supported by your computer. For moreinformation about the type of memory supported by your computer, see "Removingthe Front Panel" in your User’s Guide.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).Mouse ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct 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 orbroken 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.