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Top Solutions

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

Dell OptiPlex 755 System Guide

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Table of Contents: Installation / Drivers Security / Antivirus Software Hardware - Troubleshooting / Error Codes OptiPlex 755 Knowledge Base Resource Library: Contains all the resources needed to ...

Last Modified: 24 Sep 2019

Article ID: SLN286258

Installing Printer Drivers From a Previous Version of Windows

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Dell is aware that not every printer will have drivers on the Dell Product Support site for the version of Windows installed on your computer. The drivers will be posted on the Dell Product ...

Last Modified: 07 Apr 2020

Article ID: SLN297759

Guidance for Keeping Your Dell Technologies Equipment Clean

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Helping Customers Address Concerns at Home and at Work Client Systems We understand customers may have questions about cleaning and disinfecting options for their Dell products. The guidance below ...

Last Modified: 20 Mar 2020

Article ID: SLN308919

Resolve No Power, No POST, No Boot or No Video issues with your Dell Computer

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This article helps determine why does not power on, display video, or boot to the operating system correctly. This video helps identify which of the following sections you should use to ...

Last Modified: 04 Mar 2020

Article ID: SLN292599

How to Connect Speakers or Headphones to a Dell Computer

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External speakers or headphones that are connected to a computer improves the audio quality while enjoying web content, digital music, and other sound sources. Speakers or headphones for computers ...

Last Modified: 21 Nov 2019

Article ID: SLN319604


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Featured Video 08 Aug 2019 01:17
How to Find Your Service Tag (00:00:22)

Your service tag uniquely identifies your system. Here's how to find it on laptop, desktop and all-in-one (AiO) systems. For more eSupport video visit dell.com/supportvideo.