26 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mGeneral ProblemsThe computer stops respondingA REQUIRED .DLL FILE WAS NOT FOUND — The program that you are trying to open is missing anessential file. To 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.4 Click the Change or Remove Program icon.5 See the program documentation for installation instructions.INSERT BOOTABLE MEDIA — The operating system is trying to boot to a nonbootable floppy disk or CD.Insert a bootable floppy disk or CD.NON-SYSTEM DISK ERROR — A floppy disk is in the floppy drive. Remove the floppy disk and restart thecomputer.NOT ENOUGH MEMORY OR RESOURCES. CLOSE SOME PROGRAMS AND TRY AGAIN — You have too manyprograms open. Close all windows and open the program that you want to use. In some cases, youmight have to restart your computer to restore computer resources. If so, run the program that youwant to use first.OPERATING SYSTEM NOT FOUND — Contact Dell (see page 90).THE FILE BEING COPIED IS TOO LARGE FOR THE DESTINATION DRIVE — The file that you are trying to copy istoo large to fit on the disk. Try copying the file to a blank disk or using a larger-capacity disk.x:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY — The floppy drive cannot read the disk. Insert a floppydisk into the drive and try again.TURN THE COMPUTER OFF — If your computer locks up and you are unable to get a response by pressinga key on your keyboard or moving your mouse, press and hold the power button for at least 8 to10 seconds until the computer turns off. Then press the power button again to turn on thecomputer. You might lose data if you are unable to perform an operating system shutdown.