Top Solutions

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

How to Troubleshoot Overheating, Shutdown, or Thermal Issue on a Dell Computer

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This article provides information about how to troubleshoot and resolve overheating, thermal, intermittent shutdown and other heat-related performance issues on a Dell computer. Computers can restart, shutdown, or have performance issues due to excessive heat.

Last Modified: 04 OCT 2022

Article ID: 000130867

Article type: Solution

Dell BIOS Updates

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This article provides information about BIOS or UEFI on Dell computers. Learn how to access the BIOS or UEFI on a Dell computer. Find information about how to download and install the latest BIOS update on a Dell computer.

Last Modified: 27 SEP 2022

Article ID: 000124211

Article type: Solution

How to Troubleshoot Audio or Sound Recording Issues

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This article provides information about how to troubleshoot and resolve audio or sound recording issues with the microphone on a Dell computer.

Last Modified: 26 SEP 2022

Article ID: 000179430

Article type: Solution

How to Troubleshoot No Sound on Computer or Audio Playback Issues

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This article will walk you through troubleshooting no sound or audio playback issues on your Dell computer.

Last Modified: 26 SEP 2022

Article ID: 000179019

Article type: Solution

How to Troubleshoot Slow Performance Issues

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This article provides information about how to troubleshoot and resolve slow performance issues with your Dell computer.

Last Modified: 26 SEP 2022

Article ID: 000178928

Article type: Solution


Manuals and Documents

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

Vostro 400 Owner’s Manual – Mini Tower

Publish date: 13 DEC 2007
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Publish date: 13 DEC 2007

Vostro 400 Setup Diagram

Publish date: 13 DEC 2007
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Publish date: 13 DEC 2007

Regulatory Information

Regulatory Information for your product is included in this section. Learn more about regulatory compliance

No regulatory information exists for this product.


Videos

Videos for your product are included in this section. See Video Tutorials