Dell Inspiron 3000 Reference And Troubleshooting Manual

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Dell Inspiron 3000 Reference And Troubleshooting Manual Manual pdf 64 page image

3-22 Dell Inspiron 3000 Reference and Troubleshooting Guide4. Turn off the computer and the serial device, andswap the device with a comparable workingdevice.For example, if your serial mouse has a problem,swap it with a serial mouse you know is workingproperly.5. Turn on the computer and the serial device.Is the problem resolved?Yes. You probably need a new device. Call Dell fortechnical assistance. (See Chapter 5, “Getting Help,”for instructions.)No. Call Dell for technical assistance. (See Chap-ter 5, “Getting Help,” for instructions.)Troubleshooting the Infrared PortThis section provides a procedure for troubleshooting thecomputer’s infrared (IR) port.Make a copy of the Diagnostics Checklist found in Chap-ter 5, and fill it out as you complete the followingprocedure:1. Check the setting for the Infrared Port option inthe System Devices menu of the Setup program.For information on the Setup program, see Chap-ter 2, “Customizing System Features.” Is the Infraredoption set correctly for the external device withwhich you are communicating?Yes. Go to step 3.No. Go to step 2.2. Change the Infrared Port option to the appropri-ate setting, and then reboot the system.Is the problem resolved?Yes. The problem is resolved.No. Go to step 3.3. Insert your diagnostics diskette into drive A,reboot the computer, and run the Serial/IR Portstest group in the Dell Diagnostics. (See Chapter 4,“Running the Dell Diagnostics.”) Do the testscomplete successfully?The Serial/Infrared Ports test group checks the basicfunctions of the computer’s infrared logic.Yes. The infrared port is functioning properly. Theremay be a problem with the infrared application pro-gram or with the external device. Check thedocumentation that came with the application pro-gram and with the external device.No. Call Dell for technical assistance. (See Chap-ter 5, “Getting Help,” for instructions.)Troubleshooting the Touch PadThis section provides a procedure for troubleshooting thecomputer’s built-in touch pad.Make a copy of the Diagnostics Checklist found in Chap-ter 5, and fill it out as you complete the followingprocedure:1. Check the setting for the PS/2 Mouse option inthe System Devices menu of the Setup program.For information on the Setup program, see Chap-ter 2, “Customizing System Features.” Is the PS/2Mouse option set to Enabled?Yes. Go to step 3.No. Go to step 2.2. Change the PS/2 Mouse option to Enabled, andthen reboot the system. Does the touch pad workproperly?Yes. The problem is resolved.No. Go to step 3.3. Insert your diagnostics diskette into drive A,reboot the computer, and run the Mouse Test inthe Dell Diagnostics. (See Chapter 4, “Runningthe Dell Diagnostics.”) Do the tests completesuccessfully?The Mouse test checks the functionality of themouse controller (which affects the ability to movethe pointer around the screen) and the operation ofthe touch pad buttons.Yes. The controller is functioning properly. If theproblem persists, call Dell for technical assistance.(See Chapter 5, “Getting Help,” for instructions.)No. Call Dell for technical assistance. (See Chap-ter 5, “Getting Help,” for instructions.)55899BK1.BK : 55899c31.fm Page 22 Wednesday, February 4, 1998 1:20 PM