Keyboard Problems
Lockups and Software Problems
boot device.
lEnter system setup and ensure that the boot sequence information is correct.
No boot sector on hard-diskdrive— Enter system setup and ensure that the computer configuration information for the hard drive is
correct.
Notimertickinterrupt— Run the Dell Diagnostics.
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 a bootable floppy disk 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.
PlugandPlayConfigurationError—
1.Turn your computer off, unplug it from the electrical outlet, and then remove all but one of the cards.
2.Plug in your computer and reboot it.
3.If the message reappears, the installed card might be malfunctioning. If the message does not reappear, turn off the computer and
reinsert one of the other cards.
4.Repeat this process until you identify which card is malfunctioning.
Readfault—
Requestedsectornotfound—
Resetfailed—
See "Drive Problems."
Sectornotfound— 
lRun the Windows error-checking utility to check the file structure on the floppy disk or hard drive. See Windows Help for instructions.
lIf a large number of sectors are defective, back up the data (if possible), and then reformat the floppy disk or hard drive.
Seekerror— See "Drive Problems."
Shutdownfailure— Run the Dell Diagnostics.
Time-of-dayclockstopped— 
Time-of-day not set-pleaseruntheSystemSetupprogram— Enter system setup and correct the date or time. If the problem persists,
replace the battery.
Timerchipcounter2failed— Run the Dell Diagnostics.
Unexpectedinterruptinprotectedmode— Run the Dell Diagnostics.
WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is operating
outside of normal specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support
deskorDell—
Ifnoreplacementdriveisimmediatelyavailableandthedriveisnottheonlybootabledrive,enter system setup and change the
appropriate drive setting to None. Then remove the drive from the computer.
Writefault—
Writefaultonselecteddrive—
See "Drive Problems."
x
:\isnotaccessible.Thedeviceisnotready— The floppy drive cannot read the disk. Insert a floppy disk into the drive and try again.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions.
Checkthekeyboardcable— 
lEnsure that the keyboard cable is firmly connected to the computer.
lShut down the computer, reconnect the keyboard cable as shown in the Setup and Quick Reference Guide for your computer, and then
restart the computer.
lCheck the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.
lRemove keyboard extension cables and connect the keyboard directly to the computer.
Testthekeyboard— Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, the
original keyboard is faulty.
Run the Dell Diagnostics
Check for interrupt request conflicts
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions.