Dell Inspiron 1521 (Mid 2007) - Manual (Page 116)

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Troubleshooting
N OT ENOUGH MEMORY OR RESOURCES . E XIT SOME PROGRAMS AND TRY AGAIN —
You have too many programs open. Close all windows and open the program
that you want to use.
O PERATING SYSTEM NOT FOUND — Reinstall the hard drive (see "Hard Drive"
on page 143). If the problem persists, contact Dell (see "Contacting Dell" on
page 179).
O PTIONAL R O M BAD CHECKSUM — The optional ROM has failed. Contact
Dell (see "Contacting Dell" on page 179).
A REQUIRED . D L L FILE WAS NOT FOUND — The program that you are trying to
open is missing an essential file. Remove and then reinstall the program.
1 Click Start → Control Panel.
2 Under Programs, click Uninstall a Program.
3 Select the program you want to remove.
4 Click Uninstall and follow the prompts on the screen.
5 See the program documentation for installation instructions.
S ECTOR NOT FOUND — The operating system cannot locate a sector on the
hard drive. You may have a defective sector or corrupted FAT on the hard
drive. Run the Windows error-checking utility to check the file structure on
the hard drive. See Windows Help and Support for instructions (click Start
→ Help and Support). If a large number of sectors are defective, back up
the data (if possible), and then reformat the hard drive.
S EEK ERROR — The operating system cannot find a specific track on the hard
drive.
S HUTDOWN FAILURE — A chip on the system board may be malfunctioning.
Run the System Set tests in the Dell Diagnostics (see "Dell Diagnostics" on
page 101).
T IME - OF - DAY CLOCK LOST POWER — System configuration settings are
corrupted. Connect your computer to an electrical outlet to charge the
battery. If the problem persists, try to restore the data by entering the system
setup program, then immediately exit the program (see "Using the System
Setup Program" on page 189). If the message reappears, contact Dell (see
"Contacting Dell" on page 179).