Top Solutions

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

Dell Display Pixel Guidelines

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This article provides information about Dell's display resolution guidelines for LCD panels of Dell monitors and laptops. Learn what a pixel or dot is, what is premium panel guarantee, how to identify a bright or dead pixel on the LCD, and more.

Last Modified: 20 JAN 2022

Article ID: 000126004

Article type: : Solution

Dell Active Pen Identification, Control Panel Installation, and Troubleshooting

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Information about the different models of Dell Active Pens.

Last Modified: 18 JAN 2022

Article ID: 000126601

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: 15 JAN 2022

Article ID: 000178928

Article type: : Solution

Factory reset, restore, or reinstall Microsoft Windows on a Dell computer

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See the options for performing a computer restore, resetting Windows installation, or restoring Windows to factory condition on a Dell computer.

Last Modified: 13 JAN 2022

Article ID: 000124379

Article type: : Solution

How to Troubleshoot Audio or Sound Playback Issues

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This article provides information about how to troubleshoot and resolve no audio, no or low sound, intermittent sound, choppy, jarring, stuttering, crackling sound, distorted, static, or white noise, and other sound or audio playback issues on your Dell personal computer.

Last Modified: 10 JAN 2022

Article ID: 000179019

Article type: : Solution


Manuals and Documents

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

Inspiron 14R 5421 Specifications

Publish date: 12 FEB 2015
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Publish date: 12 FEB 2015

Inspiron 14R 5421 Specifications

Publish date: 12 FEB 2015
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Publish date: 12 FEB 2015

Regulatory Information

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

Dell Inspiron 14R-5421Regulatory Model P37GRegulatory Type P37G001

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Dell Inspiron 5421Regulatory Model P37GRegulatory Type P37G001

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Videos

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

Featured Video 29 Jul 2015 05:00

System Restore in Windows 10 (00:01:06)

How to perform a system restore in Windows 10 to resolve issues caused by recent software changes. System restore operates by returning your computer settings to an previous state without affecting your personal files. Closed captions available in many languages.