48Solving ProblemsMemory ProblemsIf you receive an insufficient memorymessage —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. Ifnecessary, install additional memory (see theService Manual atsupport.dell.com/manuals).Reseat the memory modules into the•connector(s) (see the Service Manual atsupport.dell.com/manuals).If the problem persists, contact Dell (see•“Contacting Dell” on page 74).If you experience other memory problems —Run the Dell Diagnostics (see “Dell•Diagnostics” on page 56).If the problem persists, contact Dell (see•“Contacting Dell” on page 74).Lockups and SoftwareProblemsIf the computer does not start up — Ensurethat the AC adapter is firmly connected to thecomputer and to the electrical outlet.If a program stops responding —End the program:Press simultaneously.1.Click2. Applications.Click the program that is no longer3.respondingClick4. End Task.If a program crashes repeatedly — Check thesoftware documentation. If necessary, uninstalland then reinstall the program.NOTE: Software usually includesinstallation instructions in itsdocumentation or on the CD.