Dell Vostro 420 Service Manual

Also see for Vostro 220 - Vostro 220 Slim Desktop Computer: User guide Setup and features information Setup and quick reference guide System information guide Rack Installation Guide

Contents

Dell Vostro 420 Service Manual Manual pdf 25 page image

Troubleshooting 25C 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 that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage atwww.dell.com/regulatory_compliance.IF 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 "Replacing or Adding a Memory Module" on page 104).• Reseat the memory modules to ensure that your computer is successfullycommunicating with the memory.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 13).IF 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 "Replacing or Adding a Memory Module" onpage 104) to ensure that your computer is successfully communicating with thememory.• Ensure that you are following the memory installation guidelines.• Ensure that the memory you are using is supported by your computer. For moreinformation about the type of memory supported by your computer, see"Specifications" in the Setup and Quick Reference Guide.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 13).Mouse ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage atwww.dell.com/regulatory_compliance.CH 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.