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My dell 2305 pc has started making loud humming that will continue several minutes, and then the screen goes black.what could This Be ? HELP ! !

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Check the fan, maybe the fan is stuck, dirty or just at the end of it life cycle

Posted on Apr 07, 2015

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If the machine boots up and you see the operating system start.
Then the loud humming could be fan dying as william stated.
If the fan speed max's out and the fan blades do not turn. It will sometimes hum very loud. The screen blanking out could be the system reaching heat levels too high. PC's often have more than one fan. Open the case and check for dust clogging the system.
Blow this out with compressed air. Vents, fans, fan blades etc.
Then see if the system runs within normal temps.
Note: hold the fan blades while using compressed air. You do not want these to spin at crazy speeds which will happen with the compressed air. Replacing any of the internal fans is simple.
Usually 4 screws and a power plug.

If the fans turn and do not pause or hang. I would then suspect the power supply. If your comfortable working inside the computer.
Switch out the power supply and hopefully this will resolve the loud humming. I have actually watched as a power supply died.
Humming noise then a little wisp of smoke. Dead as a door nail. :)
Good luck and hope this helps.

Posted on Apr 07, 2015

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Posted on Jan 02, 2017

WASTED28301
  • 50 Answers

SOURCE: The pc not starting up

TRY F8 WITH NETWORK SEE IF IT STILL SHUTS DOWN IN 10
OPEN THE SIDE TO LOOK INTO THE SYSTEM TO SE IF THE CPU FAN IS SPINNING AND SEE HOW CLEAN OR DIRTY IT IS. IF IT'S SPINNING SHUT IT DOWN AND DIRTY YOU'LL HAVE TO CLEAN IT UP,THEY HAVE AIR IN A CAN
USE THAT TO BLOW OUT THE JUNK IN THE SLOTS AND SEE WHAT HAPPENS WHEN YOU FIRE IT UP THIS TIME

Posted on Oct 11, 2011

  • 137 Answers

SOURCE: when i turn on my



stop Turning on.
the reason may be either of them:

1. Hardware faulty.
2. Loose cables/cards
3. Bad CMOS clock.

we deal with all of them.

1. Change CMOS Battery and short free the RAM by jumper(Uou need to check the manual or let me know the model.
2.reseat all the cables and Cards.
Boot the system Now.
Still give a long Beep?

(It may be a Hardware gone bad) But we need the confirmation for HW itself. We may conduct tests.

Dell Systems are reliable and least troublesome.

Rate this solution, Write a comment to keep in touch.

Posted on Sep 16, 2010

  • 3 Answers

SOURCE: Dell Dimension 4700 desktop. Turn computer on, go...

try to disconnect, stretch the master cable of Hard drive and then connect it.

Posted on Jun 28, 2010

SOURCE: HDMI input says No input signal After about 20 minutes of monitor being on it starts making a loud buzzing noise and eventually the screen turns black.

could your graphics card be bad?

Posted on Apr 11, 2012

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