Dell LATITUDE C510 - Manual (Page 70)

Time-of-day not set-please run the System Setup program -
The time or date stored in the system setup program does not watch the system clock.
Correct the settings for the Date and Time options. See "
Using the System Setup
Program ."
Timer chip counter 2 failed -
A chip on the system board may be malfunctioning. Run the System Set tests as
described in "
Using Dell Diagnostics ."
Unexpected interrupt in protected mode -
The keyboard controller may be malfunctioning, or a memory module may be loose.
Run the System Memory tests and the Keyboard Controller test as described in "
Using
Dell Diagnostics ."
x:\ is not accessible. The device is not ready -
Insert a disk into the drive and try again.
Warning: Battery is critically low -
The battery is running out of charge. Replace the battery, or connect the computer to
an electrical outlet. Otherwise, activate hibernate mode or turn off the computer.
Video and Display Problems
If the display is blank
NOTE: If you are using a program that requires a higher resolution than your computer supports, Dell
recommends that you attach an external monitor to your computer.