Solving Problems 67
RUN THE KEYBOARD DIAGNOSTICS TESTS —
Run the PC-AT Compatible Keyboards tests in the Dell
Diagnostics
. See “Dell Diagnostics” on page 57
. If the tests indicate a defective external keyboard,
see
“Contacting Dell” on page 112.
Unexpected characters
DISABLE THE NUMERIC KEYPAD —
Press <Num Lk> to disable the numeric keypad if numbers are displayed
instead of letters. Verify that the numbers lock light is not lit.
Lockups and Software Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
The computer does not start up
ENSURE THAT THE AC ADAPTER IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET.
The computer stops responding
NOTICE: You might lose data if you are unable to perform an operating system shutdown.
T
URN THE COMPUTER OFF —
If you are unable to get a response by pressing a key on your keyboard or moving
your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then
restart your computer.
A program stops responding or crashes repeatedly
END THE PROGRAM —
1
Press <Crtl><Shift><Esc> simultaneously.
2
Click the
Applications
tab and select the program that is no longer responding.
3
Click
End Task
.
NOTE: The chkdsk program may run when you restart the computer. Follow the instructions on the screen.
C
HECK THE SOFTWARE DOCUMENTATION — If necessary, uninstall and then reinstall the program. Software
usually includes installation instructions in its documentation or on a floppy disk or CD.
A program is designed for an earlier Microsoft
®
Windows
®
operating system
RUN THE PROGRAM COMPATIBILITY WIZARD —
The Program Compatibility Wizard configures a program so
it runs in an environment similar to non-Windows XP operating system environments.
1
Click the
Start
button, point to
All Programs
→
Accessories
, and then click
Program Compatibility
Wizard
.
2
In the welcome screen, click
Next
.
3
Follow the instructions on the screen.
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