External Keyboard Problems; Unexpected Characters; Lockups And Software Problems - Dell PP04X User Manual
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Also See for PP04X:
- Quick reference manual (122 pages) ,
- Service manual (39 pages) ,
- Quick reference manual (120 pages)
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External keyboard problems
NOTE:
When you attach an external keyboard, the integrated keyboard remains fully functional.
C
H EC K TH E KEYBO AR D C ABL E
damage, and firmly reconnect the cable.
If you are using a keyboard extension cable, disconnect it and connect the keyboard directly to the
computer.
C
H EC K TH E EXTER N AL KEYBO A R D
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 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.
T
O V E R IF Y T H A T TH E PR O BL EM I S W I T H TH E EXTER N AL K E Y B O A R D
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 143).
R
U N TH E K EY BO AR D D I AG N O ST I C S TE S TS
(see "Dell Diagnostics" on page 73). If the tests indicate a defective external keyboard, contact Dell (see "Contacting
).
Dell" on page 143
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
instead of letters. Verify that the 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.
84
Troubleshooting
— Shut down the computer. Disconnect the keyboard cable and check it for
—
— Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics
— Press <Num Lk> to disable the numeric keypad if numbers are displayed
,
C H E C K T H E I N T E G R A T E D K E Y B O A R D
—
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