Mouse Problems; Keyboard Problems; Drive Problems - Dell Dimension 4200 Manual

Check the telephone line— Try using a different telephone line. If you are using a line that is 10 ft (3 m) or more in length, try a shorter one.
Verify that the modem is communicating with Windows
1. Click the Start button, point to Settings, and click Control Panel.
2. In the Control Panel, double-click Modems.
If there are multiple entries for the same modem or modems listed that are not installed, delete the entries and restart the computer.
3. Click the Diagnostics tab.
4. Click the COM port for your modem.
5. Click More Info to verify that the modem is communicating with Windows.
If all commands receive responses, the modem is operating properly.
Be sure that you have subscribed to an Internet service provider—
Check for interrupt request conflicts—

Mouse Problems

Connect a USB mouse only to the USB connectors on the back of the computer—
intended only for devices such as digital cameras and gaming joysticks. Connecting a USB mouse to the front of the computer may cause
erratic operation, and an error message may appear when the computer is turned on or restarted.
If you connected the mouse before turning on the computer, reconnect the mouse cable
1. Press <Ctrl><Esc> to display the Start menu.
2. Use the keyboard arrow keys to highlight Shut Down and then press the <Enter> key.
3. After the computer turns off, reconnect the mouse cable as shown on the Start Here sheet for your computer.
4. Start the computer.
If you connected the mouse after turning on the computer, remove the power cable, and then reconnect the mouse cable—
is connected after the power is turned on, the mouse will appear to be nonfunctional. To make the mouse function properly:
1. While your computer is on, remove the power cable from the back of the computer.
2. Connect the mouse to the computer.
3. Reconnect the power cable.
4. Turn on your computer.
Pressing the power button does not clear the computer's settings and does not restore mouse functionality.
Check the mouse settings— Click the Start button, point to Settings, select Control Panel, and then double-click the Mouse icon. Try
adjusting the settings.
Check for interrupt request conflicts—

Keyboard Problems

Connect a USB keyboard only to the USB connectors on the back of the computer—
intended only for devices such as digital cameras and gaming joysticks. Connecting a USB keyboard to the front of the computer may cause
erratic operation, and an error message may appear when the computer is turned on or restarted.
Reconnect the keyboard cable—
keyboard cable as shown on the Start Here sheet for your computer, and then restart the computer.
Check for interrupt request conflicts—

Drive Problems

If you cannot save a file to a floppy disk
HINT: See the Tell Me How help file for information on saving files to a floppy disk. To access help files, see
Ensure that Windows recognizes the drive—
antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.
Test the drive with another floppy disk—
Cannot save files to a floppy disk—
See "Resolving Software and Hardware
See "Resolving Software and Hardware
Shut down the computer (see "Turning Off the Computer" in the Dell Solutions Guide), reconnect the
See "Resolving Software and Hardware
Double-click the My Computer icon. If the floppy drive is not listed, perform a full scan with your
Insert another floppy disk to eliminate the possibility that the original floppy disk is defective.
Ensure that the floppy disk is not full or write-protected (locked). See the following illustration.
Contact an Internet service provider to subscribe.
Incompatibilities."
The USB connectors on the front of the computer are
Incompatibilities."
The USB connectors on the front of the computer are
Incompatibilities."
If the mouse
"Accessing Help Files."