Lockups And Software Problems; Unexpected Characters; The Computer Does Not Start Up; The Computer Stops Responding - Dell latitude X1 User Manual

To verify that the problem is with the external keyboard, check the integrated keyboard —
1. Shut down the computer.
2. Disconnect the external keyboard.
3. Turn on the computer.
4. From the Windows desktop, click the Start button, point to Programs, point to Accessories, and click Notepad.
5. Type some characters on the external keyboard and verify that they appear on the display.
If the characters appear now but did not with the external keyboard, you may have a defective external keyboard.
Run the keyboard diagnostics tests —
defective external keyboard,

Unexpected characters

Disable the numeric keypad —
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.
Turn the computer off —
the power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer.

A program stops responding

End the program —
1. Press <Ctrl><Shift><Esc> simultaneously.
2. Click Applications.
3. Click the program that is no longer responding.
4. Click End Task.

A program crashes repeatedly

NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD.
Check the software documentation —

A program is designed for an earlier Windows operating system

If you are using Windows XP, run the Program Compatibility Wizard —
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.
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Run the PC-AT Compatible Keyboards tests in the
contact Dell.
Press <Num Lk> to disable the numeric keypad if numbers are displayed instead of letters. Verify that the
If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold
If necessary, uninstall and then reinstall the program.
Using the Dell Diagnostics. If the tests indicate a
The Program Compatibility Wizard configures a program so it runs
Contact Dell.