Dell Precision M60 Contens: Dell Precision M60 Series Mobile Workstation User' - Page 87

External Keyboard Problems

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Windows XP 1. Click the Start button, click Control Panel, and then click Printers and Other Hardware. 2. Click Mouse. 3. Try adjusting the settings. Windows 2000 1. Click the Start button, point to Settings, and then click Control Panel. 2. Double-click the Mouse icon. 3. Try adjusting the settings. Check the mouse cable - Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable. If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer. To verify that the problem is with the mouse, check the touch pad - 1. Shut down the computer. 2. Disconnect the mouse. 3. Turn on the computer. 4. At the Windows desktop, use the touch pad to move the cursor around, select an icon, and open it. If the touch pad operates correctly, the mouse may be defective. Check the system setup program settings - Verify that the system setup program lists the correct device for the pointing device option. (The computer automatically recognizes a USB mouse without making any setting adjustments.) Test the mouse controller - To test the mouse controller (which affects pointer movement) and the operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in the Dell Diagnostics. Reinstall the touch pad driver - See "Reinstalling Software." External Keyboard Problems Fill out the Diagnostics Checklist as you perform the various checks. 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. 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 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. Run the keyboard diagnostics tests - Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics. If the tests indicate a defective external keyboard, contact Dell.

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External Keyboard Problems
Fill out the
Diagnostics Checklist
as you perform the various checks.
Windows XP
1.
Click the
Start
button, click
Control Panel
, and then click
Printers and Other Hardware
.
2.
Click
Mouse
.
3.
Try adjusting the settings.
Windows 2000
1.
Click the
Start
button, point to
Settings
, and then click
Control Panel.
2.
Double-click the
Mouse
icon.
3.
Try adjusting the settings.
Check the mouse cable
—
Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable.
If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer.
To verify that the problem is with the mouse, check the touch pad
—
1.
Shut down the computer.
2.
Disconnect the mouse.
3.
Turn on the computer.
4.
At the Windows
desktop, use the touch pad to move the cursor around, select an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
Check the system setup program settings
—
Verify that the system setup program lists the correct device for the pointing device option.
(The computer automatically recognizes a USB mouse without making any setting adjustments.)
Test the mouse controller
—
To test the mouse controller (which affects pointer movement) and the operation of the touch pad or mouse
buttons, run the Mouse test in the
Pointing Devices
test group in the
Dell Diagnostics
.
Reinstall the touch pad driver
—
See "
Reinstalling Software
."
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.
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 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.
Run the keyboard diagnostics tests
—
Run the PC-AT Compatible Keyboards tests in the
Dell Diagnostics
. If the tests indicate a defective
external keyboard,
contact Dell
.