Dell Inspiron 510m Owner's Manual - Page 48
External Keyboard Problems, Unexpected Characters, Start, Programs, Accessories, Notepad
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www.dell.com | support.dell.com 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 (see page 32). Disconnect the keyboard cable and check it for damage. For PS/2 cables, check the cable connector for bent or broken pins. 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 Turn off 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. TO VERIFY THAT THE PROBLEM IS WITH THE EXTERNAL KEYBOARD, CHECK THE INTEGRATED KEYBOARD 1 Turn off 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. Contact Dell (see page 112). Unexpected Characters D 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 numbers are displayed instead of letters. Verify that the numbers lock light is not lit. 48 Using the Keyboard and Touch Pad