Top Solutions

The most helpful knowledge articles for your product are included in this section.

Dell Thunderbolt Docks Report Reduced Connectivity Error Message on Boot

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The following article provides information about an error message seen on startup. This happens when connecting a Dell Thunderbolt docking station to a USB type-C port that does not support Thunderbolt 3 protocols. (Such as the WD19TB, WD19TBS, or WD22TB4 dock.)

Article ID: 000135678

Article type: Solution

How to Set up Dual or Multiple Monitors

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Find information about the various connectors used when setting up dual or multiple monitors, the guides by Operating System, and how to change the display settings.

Last Modified: 07 FEB 2023

Article ID: 000134286

Article type: Solution

Computer Restarts or Shuts Down Intermittently, Locks Up, Stops Responding or an Error Occurs.

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This article provides recommendations to resolve an issue with your Dell computer restarting, shutting down, locking up or not responding, and similar issues with Windows.

Last Modified: 03 FEB 2023

Article ID: 000132224

Article type: Solution

How to Troubleshoot Touch Screen or Touch Panel Issues

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This article provides information about how to troubleshoot touch screen issues on touch-enabled Dell all-in-one desktops, laptops, and Dell monitors.

Last Modified: 01 FEB 2023

Article ID: 000132121

Article type: Solution

How to Troubleshoot USB Port When it is Not Working

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Find information about how to troubleshoot and resolve USB-related issues on your Dell computer. Find step-by-step instructions when a USB port is not working.

Last Modified: 30 JAN 2023

Article ID: 000132048

Article type: Solution


Manuals and Documents

Manuals, documents, and other information for your product are included in this section.

Dell Latitude 2120 Service Manual

Publish date: 26 NOV 2013
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Publish date: 26 NOV 2013

Dell Latitude 2120 Setup Features Information

Publish date: 26 NOV 2013
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Publish date: 26 NOV 2013

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