Dell XPS M1730 M1730 XPS M1730 Owners Manual - Page 122
External Keyboard problems, Run the PC-AT Compatible
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External Keyboard problems NOTE: When you attach an external keyboard, the integrated keyboard remains fully functional. C H E C K T H E K E Y B O A R D C A B L E - Shut down the computer, disconnect the keyboard cable and check it for damage, then 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 then 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 Start →All Programs→ Accessories→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. 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 Start →All Programs→ Accessories→Notepad. 5 Type some characters on the internal 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. Contact Dell (see "Contacting Dell" on page 170). R U N T H E K E Y B O A R D D I A G N O S T I C S T E S T S - Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics (see "Dell Diagnostics" on page 107). If the tests indicate a defective external keyboard, contact Dell (see "Contacting Dell" on page 170). 122 Troubleshooting