Solving Problems 87ME M O R Y D A T A L I N E F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N G V A L U E — Amemory module may be faulty or improperly seated. Reinstall the memorymodules and, if necessary, replace them (see "Memory" on page 117).ME M O R Y D O U B L E W O R D L O G I C F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N GV A L U E — A memory module may be faulty or improperly seated. Reinstall thememory modules and, if necessary, replace them (see "Memory" on page 117).ME M O R Y O D D /E V E N L O G I C F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N GV A L U E — A memory module may be faulty or improperly seated. Reinstall thememory modules and, if necessary, replace them (see "Memory" on page 117).ME M O R Y W R I T E /R E A D F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N G V A L U E — Amemory module may be faulty or improperly seated. Reinstall the memorymodules and, if necessary, replace them (see "Memory" on page 117).NO B O O T D E V I C E A V A I L A B L E — The computer cannot find the hard drive. Ifthe hard drive is your boot device, ensure that the drive is installed, properlyseated, and partitioned as a boot device.NO B O O T S E C T O R O N H A R D D R I V E — The operating system may be corrupted.Contact Dell. See "Contacting Dell" on page 139.NO T I M E R T I C K I N T E R R U P T — A chip on the system board may bemalfunctioning. Run the System Set tests in the Dell Diagnostics (see "DellDiagnostics" on page 77).NO T E N O U G H M E M O R Y O R R E S O U R C E S . EX I T S O M E P R O G R A M S A N D T R Y A G A I N —You have too many programs open. Close all windows and open the programthat you want to use.OP E R A T I N G S YS T E M N O T F O U N D — Reinstall the hard drive (see "Hard Drive"on page 114). If the problem persists, contact Dell. See "Contacting Dell" onpage 139.OP T I O N A L ROM B A D C H E C K S U M — The optional ROM apparently failed.Contact Dell. See "Contacting Dell" on page 139.A R E Q U I R E D .DLL F I L E W A S N O T F O U N D — The program that you are trying toopen is missing an essential file. Remove and then reinstall the program.1 Click the Start button and click Control Panel.2 Click Add or Remove Programs.3 Select the program you want to remove.