Making rattling sound Dell OptiPlex 780 - OptiPlex Dell Computers & Internet

SOURCE: 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.

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.
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.
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.
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.

SOURCE: Dell optiplex 780 shutdown automaticaly

The desktop could be overheating and shutting down.
To fix this problem, please click on this link :-

SOURCE: internal speaker sound is not

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 ]
Dhiren Motivaras

Brian Sullivan

• 27725 Answers
• Posted on Mar 14, 2012

SOURCE: I HAVE DELL OPTIPLEX 780 DESK TOP WORKSTATION ,THE CD DRIVE IS NOT SHOWN WHEN I OPEN IT

make sure all leads that are attached to your cd/dvd have secure connections and are not faulty or just replace them they could be faulty ?

you might have to physically unplug the cd/dvd drive restart your computer this should activate the found new hardware wizard

Click start control panel administrive tools,computer management,device manager scroll down cd-dvd rom drives you might see a yellow question mark ? right click you will have options to update driver,roll back driver,or select properties general troubleshoot, select driver click to reinstall drivers click update driver or uninstall then reinstall if this does not fix the problem it might be a registry problem if you cant see your disk drive in windows explorer

Close all open programs

Click on Start, Run, and type regedit and press Enter
Click on the plus signs (+) next to the following folders

HKEY_LOCAL_MACHINE

SYSTEM

CurrentControlSet

Control

Class

{4D36E965-E325-11CE-BFC1-08002BE10318}

This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

Upper Filters

Lower Filters

Upper Filters.bak

Lower Filters.bak
If any of the above keys shown in step 4 are listed, right-click on them and choose Delete

After deleting the keys, close the registry editor
Reboot your computer
Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.


hope this helps you

SOURCE: DC driver for Dell OptiPlex 780 Desktop Computer

Dell has all of their computer's drivers online, in their Support section. You will need to input the Service Tag of the computer to find the ones for you.