Dell Latitude X1 - Manual (Page 62)

IEEE 1394 Device Problems
Keyboard Problems
Fill out the Diagnostics Checklist as you perform the various checks.
External Keyboard problems
Time-of-day not set-please run the System Setup program — The time or date stored in the system setup program does not match 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 the 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 the 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 shut down the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Ensure that the IEEE 1394 device is properly inserted into the connector
Ensure that the IEEE 1394 device is recognized by Windows —
1. Click the Start button and click Control Panel.
2. Click Printers and Other Hardware.
If your IEEE 1394 device is listed, Windows recognizes the device.
If you have problems with a Dell-provided IEEE 1394 device —
Contact Dell.
If you have problems with an IEEE 1394 device not provided by Dell —
Contact the IEEE 1394 device manufacturer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTE: Use the integrated keyboard when working in MS-DOS® mode or when running the Dell Diagnostics or the system setup program. When you
attach an external keyboard, the integrated keyboard remains fully functional.
Check the keyboard cable — Shut down the computer. Disconnect the keyboard cable and check it for damage, and firmly reconnect the
cable.
If you are using a keyboard extension cable, disconnect it and connect the keyboard directly to the computer.
Check the external keyboard —
1. Shut down the computer, wait 1 minute, and turn it on again.
2. Verify that the numbers, capitals, and scroll lock lights on the keyboard blink during the boot routine.
3. From the Windows desktop, click the Start button, point to Programs, point to Accessories, and click Notepad.
4. Type some characters on the external keyboard and verify that they appear on the display.
If you cannot verify these steps, you may have a defective external keyboard.