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Dell OptiPlex 780 fan making rattling sound

Fan making rattling sound

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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pgh_pa_guy
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SOURCE: Dell Optiplex GX280 boot problem

I just repaired two Gateway systems with similar behavior (turn on power, fan runs at full speed, no boot), and both needed replacement system boards. (These were a different model, but the symptoms are typical of a dead system board.) I got the boards from a company called Blue Raven Technology (www.blueraven.com).

Before deciding the main board is bad, try another power supply to make sure that's not the problem. Also you might try clearing the CMOS memory on the system board (either by moving a jumper usually found near the backup battery, or by removing the battery itself). Sometimes corrupted CMOS data will keep the system from booting.


Posted on Nov 16, 2008

  • 8 Answers

SOURCE: dell optiplex gx280 makes loud fan sound at

You may have a problem with your power supply(the loud fan noise) and eventually it may get too hot and will cause problems like not fully booting.

Posted on Jun 12, 2009

Geekman
  • 32281 Answers

SOURCE: Dell optiplex 780 shutdown automaticaly

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

Posted on Apr 14, 2011

  • 26 Answers

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

Posted on Sep 16, 2011

bronk50
  • 27725 Answers

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

Posted on Mar 14, 2012

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