Using the Ke yboard and Touch Pad 53External Keyboard ProblemsNOTE: When you attach an external keyboard, the integrated keyboard remains fullyfunctional.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 (see page 40). Disconnect thekeyboard cable and check it for damage. Firmly reconnect the cable.If you are using a keyboard extension cable, disconnect it and connect the keyboard directly to thecomputer.C H E C K T H E EX T E R N A L K E Y B O A R D —1 Shut down the computer (see page 40), wait 1 minute, and turn it on again.2 Verify that the numbers, capitals, and scroll lock lights on the keyboard blink during the bootroutine.3 From the Windows ® desktop, click the Start button, point to All 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.T O V E R I F Y T H A T T H E P R O B L E M I S W I T H T H E EX T E R N A L K E Y B O A R D , C H E C K T H EI N T E G R A T E D K E Y B O A R D —1 Shut down the computer (see page 40).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, andclick 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 externalkeyboard. Contact Dell (see page 126).Unexpected CharactersD I S A B L E T H E N U M E R I C K E Y P A D . Press to disable the numeric keypad if numbersare displayed instead of letters. Verify that the numbers lock light is not lit.
