Question about Dell OptiPlex 780 MT Desktop Computer (Intel Core 2 Duo E8400 160GB2GB) (VARGCC21)

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I have dell optiplex 780, the built-in speaker is not working with windows 7 32 bit. but if i will used windows xp i have no problem, plss i need your help i want my built-in speaker working with windows 7 32 bit.

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Try right clicking on your volume icon the speaker in your tray the select playback devices and see if its selected or listed if its there and no got a check mark check it and you should be good ..if it isn't there try updating if still no go then the sound card simply wont work for windows

don't forget to give testimonial and the votes 4 thumbs up if I helped.

Posted on May 29, 2011

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Posted on Jan 02, 2017

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You are going to need to start your computer in safe mode and find the XP drivers that will work for your motherboard manually from the web (Assuming that there are any created for XP for that board)..

That blue screen you keep getting is because you don't have the correct driver loaded for something on the motherboard that it needs to boot correctly and your XP install couldn't find it on the web to install automatically.

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking".

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You are going to need to start your computer in safe mode and find the XP drivers that will work for your motherboard manually from the web (Assuming that there are any created for XP for that board). That blue screen you keep getting is because you don't have the correct driver loaded for something on the motherboard that it needs to boot correctly and your XP install couldn't find it on the web to install automatically.

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Mr. Dev
Its the fault from the motherboard but i can help you
Please change the front panel's whole audio connector for the same after that issue will resolved..



Thanks ]
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Hi can u tell features of dell optiplex 780 deskt...


Energy Efficient Design, Environmental Responsibility
With its energy-efficient, environmentally conscious design, the OptiPlex 780 reflects the potential benefits to your operations and your bottom line.

desktop-optiplex-780-usff-overview-block4-small-a.jpg spacer.gif Energy-Conscious Features: The OptiPlex 780 offers Dell Energy Smart power settings and optional high-efficiency power supplies on select configurations. The Dell Client Energy Savings Calculator also lets you estimate energy usage for multiple customized OptiPlex systems.
desktop-optiplex-780-usff-overview-block4-small-b.jpg spacer.gif ENERGY STAR® Compliance: As an ENERGY STAR-compliant partner, Dell has designed select configurations of the OptiPlex 780 to comply with ENERGY STAR 5.0 standards for energy efficiency.
desktop-optiplex-780-usff-overview-block4-small-c.jpg spacer.gif High Environmental Standards: Select configurations of the OptiPlex 780 qualify for an EPEAT® Gold rating. Gold is the highest standard in the Electronic Product Environment Assessment Tool (EPEAT), a set of performance criteria for evaluating electronic products' environmental attributes in both public and private sectors.
spacer.gif Security for Your Business
The OptiPlex 780 gives you the power to choose your level of security, from hardware to software, local or remote. Simply match the security options with your organization's priorities to help keep your critical information protected.
  • Network Protection: Intel® vProTM technology helps to isolate system threats, offering excellent protection for your network infrastructure.
  • Built-in TPM 1.2: Integrated Trusted Platform Module (TPM) 1.21 security provides hardware-level protection of data and passwords.
  • Hard-Disk Security: Secure critical data with optional full-disk-encryption drives or solid-state drives, and choose optional ProSupport4 Certified Data Destruction and ProSupport4 Hard Drive Data Recovery services for additional layers of data security.


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