Question about Dell Latitude D600 Notebook

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My laptop hisses

I have a 5 year old dell laptop. just today it started to buzz or hiss. what is this? how can i make it stop?

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  • jalepe914 Jul 30, 2009

    I dont know. i dont think so because it still keeps buzzing when the fan shuts off. its a dull buzz. i just worry it will blow up or something.

  • avalanche434 May 11, 2010

    is it the fan?



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  • 57 Answers

Is the sound coming from the speakers or elseware? Mechanical problems could be with the cooling fan, hard drive or a disk in the cd/dvd drive

Posted on Jul 29, 2009

  • Bobcatflusa Jul 30, 2009

    Is it coming from the speakers? Plug in some headphones and check.



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I have old Ingersoll Rand compressor type 30 model 15T serial # 243496 Blow fuss when restart ?

Probably a faulty non return check valve, when the unit reaches pressure air in the delivery pipe is vented down at the pressure switch. If the check valve is passing back this will cause the unit to try to start against a pressure causing it to pull high amps and trip. If there is a constant hiss coming from the pressure switch when the unit stops it will be the non return valve. There should be a short hiss of air when units stops If there is no hiss at all when the unit stops it could be a faulty pressure switch. If it is a quick fix would be to create a small leak on the delivery pipe to vent the line down.

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Hissing sound from refrigerator after water filter changed (Kenmore, side b side, 4 years old)

Mabe there's some air in the line. Let the water run a bit and see if the hiss stops.

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I have a Sony STR-DE135 receiver emitting a persistent hissing sound on all functions and inputs (CD, Tuner, TV/Sat, MD/Tape, Video). I have a pair of Boston Acoustic CR5 speakers attached. Any ideas on...

most hissing problems come from earth issues within the system them selves, i dont recommend taking the case of and plugin it in to start testing if its an earth problem. So my best solution is to simply take it your local music or electrical shop and pay for a repair or see id they can diagnose the issue, other than that i dont have a solution for you. I have a little guitar amp which was buzzing it's little heart out, but when i touched my guitar strings the buzzing stops (as i become the earth on touching it) so i tried my guitar on a different amp and it was fine, so my little amp was the problem, i took it apart and noticed that the screw for the earth was loose, once i tightened it the problem stopped and all is good. best regards.

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IT is probably a vacuum leak in the brake booster. With the pedal going to the floor There is either no brake fluid or you will have to bleed the system. Replace the booster and bleed the brakes starting at the longest line first

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is the sound like hissing or like a spark something like?hissing can caused by leaking of high voltage that is dangerous and sould be fix right away

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Hissing sound from a Panasonic old TV...Sound and picture are OK. The hissing sound even continues when the MUTE on the Box is ON. The hissing only stops when the MUTE on the TV is ON. I am using the...

If you disconnect or power off the converter box does the hiss go away?
If you connect a VCR or DVD player does it still have the hiss? We
need to isolate what source is causing the hiss if it is from the set or
if it is from the converter box.
When you turn the volume control down on the set, does the hiss
reduce in level? If mute stops it, it should reduce in level as you
turn the volume down. Then turn up the sound level control on
the converter box whether its a manual control or by remote. If you
can get a combination that minimizes the hiss and gets higher sound
level from the programming that may cure it.
I am not familiar with the converter box you are using. Are you using
Audio/Video cables from it to the set or is it coming out with coaxial cable
and used on a channel? If you are using a very old set with a tuner input
perhaps the fine tuning is out of adjustment.

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1 Answer

Monitor won't turn on.

Does the cord plug directly from the wall into the monitor, or is there a power "brick" adapter between?

If there's a "brick" listen to see if the hissing is coming from the monitor itself or the brick. If the hissing is coming from the brick you may just need a new power adapter.

If there's no brick or the hissing is coming from the monitor, the monitor probably needs repair. With the price of LCD monitors these days compared to the price of labor, you're probably better off getting a new LCD monitor. Just make sure you take your old one to a proper E-Waste facility so it doesn't pollute the environment.

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