58 Troubleshooting• Verify that the device drivers do not conflict with the program.• If necessary, uninstall and then reinstall the program.BA C K U P Y O U R F I L E S I M M E D I A T E L YUS 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 ,CDS , O R DVDSSA 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 ST A R T M E N UMemory ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.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 "Contacting Dell" on page 95).• Run the Dell Diagnostics (see "Dell Diagnostics" on page 65).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 —• 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" on page 83.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 65).Mouse ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.Wireless MouseCH E C K T H E W I R E L E S S C O N N E C T I O N B E T W E E N T H E M O U S E A N D Y O U RC O M P U T E R —• Ensure that the mouse is paired with your computer. See "Re-Syncing Your OptionalWireless Mouse or Keyboard with Your Computer" on page 44.• Verify that the mouse is turned on. Some mice include a power indicator.• Ensure that the mouse battery has not run low. Some mice include a battery-chargeindicator.