Dell Precision 390 User Manual
Page 130

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
).
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 (see
Contacting Dell
).
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.
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 —
l
Run the Windows error-checking utility to check the file structure on the floppy disk or hard drive. See Windows Help for instructions.
l
If 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 (see
).
Time-of-day clock stopped —
Time-of-day not set —
Enter system setup (see
Entering System Setup
) and correct the date or time. If the problem persists, replace the battery (see
Replacing the
Battery
.
Timer chip counter 2 failed —
Run the Dell Diagnostics (see
).