Question about Dell OptiPlex 780 PC Desktop
Fan not running when purchased 2nd hand have a press F1 key to boot because fan not running after starting finally got it going somehow after running a Dell diagnostic tool on a re-boot the fan came on with a rattling sound. sound
Posted by Anonymous on
You may want to replace the fan. You can call the Dell Spare Parts Department at 1-877-717-3355 to purchase a fan.
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Posted on Jun 04, 2015
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Posted on Jan 02, 2017
SOURCE: CPU cooling fan
Hi...you can press the F2 key to enter setup...and scroll down until the fan is highlited...hit enter and then F10 to save and exit.This tells the computer its OK.
you should have plugged the fan in the same pin port the old fan was in. Usually only 1,.
If the new fan is not from dell..it may be faster and noiser..or it may be faulty..if you bought it locally you may try to return it.
The purpose of the fan of course is to remove the hot air from the CPU to keep it from overheating. If this fan does it it is most likely ok.
Hope this helps..
Posted on Feb 07, 2008
Yes, you need to replace that fan and not run your computer without it working because it can cause it to overheat and then you'll have to replace a lot more than just a fan. Open up the side of your computer and see which fan is not moving when the computer is turned on but it will be the one attached to the card cage :c)
Posted on Jun 05, 2009
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
I had a similar problem with excessive fan noise on my Dell Dimension 5150. The solution was to replace the worn heat sync compound that was between the cpu and the heat sync itself. (£0.99 ebay)
Posted on Aug 16, 2009
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