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TROUBLESHOOTING MOUSE PROBLEMS

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POSSIBLE CAUSES:

  1. The switch on your mouse may be set to 3 instead 2 as it should be.
  2. Newly added hardware may be conflicting with the mouse port or mouse drivers.
  3. The mouse connection may be loose or not plugged in.
  4. The mouse may be plugged into the wrong port.
  5. Mouse drivers may be corrupt or not installed.
  6. The mouse may not be enabled in Windows 3.xx Setup.
  7. The mouse port in CMOS may be disabled.
BASIC TROUBLESHOOTING PROCEDURES:

These basic steps can resolve or more accurately resolve most mouse problems.

MOUSE CONNECTION LOOSE OR DISCONNECTED

Make sure that the mouse is properly connected to the computer system. While the system is powered down, unplug the mouse from the computer. Look down into the plug end of the mouse. Insure that none of the pins are bent or pushed further back into the plug than any of the others. Plug the mouse back into the system verifying that you are connecting it to the correct port and power the system back on.

MOUSE CONNECTED TO THE PROPER PLACE ON THE COMPUTER

Make sure the mouse is plugged into the correct place on the back of the system. If you have a PS/2 mouse, the mouse connection and the keyboard connection look identical from the back. Try plugging the mouse into the oter port and restart the computer to see if that has corrected the problem. If you have a serial mouse, make sure that the cable is connected to the correct COM port.

RESOLVING MOUSE PROBLEMS:

============================

MOUSE IDENTIFICATION/CONFIGURATION IN CMOS

If the connection on the system is secure and the pins are correctly aligned, the mouse port may not be correctly identified in CMOS.
  1. In CMOS you will need to locate the section that contains the Onboard Serial Port configurations. It will possibly be Advanced CMOS Setup or Integrated Peripherals. Use the arrow key to highlight one of these selections and press <ENTER>. Repeat until you find the area containing Onboard Serial Port configurations.
  2. If the mouse is a PS/2 mouse make sure that the PS/2 mouse port is enabled.
  3. If you have a serial mouse, make sure that the comport that corresponds to your mouse is identified with the correct settings (i.e., COM1 is 3F8h and COM2 is 2F8h). You can modify the settings by highlighting them with the arrow key and using the <PAGE UP> or <PAGE DOWN> keys.
  4. Press <ESCAPE>.
  5. Highlight Save settings and exit and press <ENTER> or Follow the on-screen instructions to Save and Exit Setup.

SOFTWARE CONFLICT

If the mouse works correctly in Windows and MS-DOS screens but not in other applications, make sure that the mouse driver is installed in that application. Contact the manufacturer or vendor of that application for further instructions.

If the mouse does not work in any application except Windows, the mouse driver may not be correctly installed or may not be installed at all.

MOUSE DRIVER INSTALLATION (WINDOWS 3.xx ONLY)

Once you are sure that the mouse is connected securely to the computer and that CMOS is identifying the mouse, the drivers are the next thing to check. You can reinstall the mouse drivers over themselves without problems as long as the driver versions are the same.

NOTE:

Windows 95 usually will not require a mouse driver to be installed in your autoexec.bat or config.sys. Some 3rd party mouse packages may use a driver to enable full functionality or special features. Consult the manufacturer of the mouse for detailed instructions on using the device.

  1. With the computer booted to the DOS prompt
  2. Insert your mouse driver diskette into your floppy drive.
  3. Type a:setup
  4. Follow the on-screen directions for installing the mouse driver
  5. Restart your computer.

NEWLY ADDED HARDWARE

If you recently added a new hardware device to the system such as a modem, scanner, etc., remove the new device to see if the mouse functionality returns. If the mouse starts working correctly, the new device is conflicting with the mouse. Contact the manufacturer of the new device for assistance configuring it.

ERROR MESSAGES:

=================

THIS POINTER DEVICE REQUIRES A NEWER VERSION

This error message can appear if you have an invalid type of mouse, such as Logitech or Genius series, selected in Windows Setup when you have a Microsoft Mouse on the system. Changing the mouse to Microsoft or IBM PS/2 mouse will remedy the problem.

MOUSE PORT DISABLED OR MOUSE NOT PRESENT

This error message usually appears as the system boots up. Check the mouse connection on the computer and check that the serial port the mouse is connected to is identified and configured correctly in CMOS.





Last Update : 4/29/2003       

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