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134 Troubleshooting Tools
NO BOOT SECTOR ON HARD-DISK DRIVE — Enter system setup and ensure that the
computer configuration information for the hard drive is correct
(see "System
Setup
" on page 89
)
.
If the message continues to appear after you ensure that the information in system
setup is correct, see your operating system documentation for reinstallation
information.
NO TIMER TICK INTERRUPT — Run the Dell Diagnostics (see "Dell Diagnostics" on
page 136).
NON-SYSTEM DISK OR DISK ERROR — Replace the floppy disk with one that has a
bootable operating system or remove the floppy disk from drive A and restart the
computer.
NOT A BOOT DISKETTE — Insert bootable media and restart your computer.
NOT ENOUGH MEMORY OR RESOURCES. CLOSE SOME PROGRAMS AND TRY AGAIN — Close all
windows and open the program that you want to use. In some cases, you might
have to restart your computer to restore computer resources. If so, run the program
that you want to use first.
OPERATING SYSTEM NOT FOUND — Contact Dell (see "Contacting Dell" on page 295).
PLEASE CONNECT USB KEYBOARD/MOUSE TO USB PORTS ON THE BACK OF THE COMPUTER —
Turn your computer off, connect the USB keyboard and/or mouse to the USB
connectors on the back of the computer, and then restart your computer.