The Latitude D620 is a laptop manufactured by Dell. Tthe D620 has a touchpad like other laptops that is used as a mouse to control the computer's user interface. It can become quite difficult though when you turn your computer and discover the track-pad no longer works or is acting strange. There are many possible causes for a track-pad failure but finding your problem and solution shouldn't be difficult or time consuming.
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Things you need
- Mouse with USB connection
- Open USB port
Turn on your computer and wait for the operating system to load. If you can't use the touchpad at all or the buttons aren't working, using a mouse may be the easiest solution.
Plug the mouse into an open USB slot and wait for about a minute. Most USB mice are "plug-and-play," meaning they'll work upon plugging them in without installing any software. If the mouse did happen to come with software, follow the specific instructions that come with the mouse for installing the software.
Move the mouse around to verify that it's working. Now that you've got control of the cursor, you can begin troubleshooting the problem.
Click "Start," located in the bottom left corner of the screen. Click "Control Panel," located in the right pane of the "Start" menu.
Click "Printers and Other Hardware." Click "Mouse" to bring up the touchpad's settings.
Navigate through the different tabs and read the available options. Tweak anything to do with the track-pad such as "Sensitivity" and "Speed." There is likely an option here to enable and disable track-pad and button; make sure this option is on "Enable," "On" or whatever option denotes the track-pad to work.
Click "Apply" after you've made your changes and try to use the track-pad and buttons. If the problem persists, continue to the next section.
Unplug any docking stations (chargers for peripherals such as cameras) connected to your computer. Restart the system and, upon seeing the Dell logo, quickly press the "F12" key.
Select "Diagnostics" from the resulting menu and press "Enter" to begin the Dell Diagnostics assessment of your system.
Answer questions for Dell Diagnostics as they appear and, if a problem is detected, the diagnostics utility will stop the assessment and start to beep. Press "R" to retest the failed component or "Y" to continue the test. Write down any error codes presented to you.
Allow the testing to finish and the Dell Diagnostics window will appear. Click "Custom Test" and select "Pointing Devices." Allow the test to run and, if possible, it will automatically repair the problem.
Write down any error codes or information under the "Error" section that appears when the test finishes. If no instructions are given to fix the problem, contact Dell Support (see resources).
Click "Start" then "Control Panel." Click "Performance and Maintenance" Click "System."
Click the "Hardware" tab and open the "Device Manager". Open "Mice and Other Pointing Devices" or a similar option and right-click the touchpad option before clicking "Properties." On the "Drivers" tab, select "Roll-Back Driver" to see if a recent driver update is to blame.
Wait while the rollback finishes. Restart the computer and assess whether the problem is solved. If not, it may be time to contact Dell Support.
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