Tip & How-To about Dell UltraSharp 2407WFP 24" LCD Monitor

Fix overheating ( goes Black ) problem.

I fixed the problem myself. I got tired of the loud fan behind it keeping it cool. Here is how I did it.

Turn off the power and remove the monitor from the stand. Lay it on its face and remove the 4 black screws in the middle around the mounting surface for the stand. Flip it over and carefully pry the front away from the back . "BE CAREFUL NOT TO PULL TOO FAR AWAY AS YOU WILL DAMAGE THE CABLE TO THE BUTTONS"

Once the front bezel is free all the way around flip the monitor over onto its face. The back cover should slide off. Remove 8 screws holding 3 metal covers guarding the electronic boards. The right board slides to the right before lifting out. Once all 3 have been removed you will see the guts of the monitor. Find the heat sinks on the power supply. They will be covered in dust if they are like mine were. I used a Brush and can of Air to get them all clean.

Now for increasing the airflow up through the Hot stuff. I used a Dremel Tool to enlarge the holes already in the back plate and Cut out a hole in the back cover to let more air in. Its not pretty but it works.

Now remount it on the stand, Hook it up, and it should " cross your fingers " work.

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1 Answer

The television keeps buzzing, can i fix it myself?

I am not familiar with this model. A lot of TVs do have cooling fans installed to keep power supplies and processors cool. If a lot of dust has impinged on the fan blades an imbalance may be caused. The imbalance may resonate as a hum through the TV frame. The answer may be simply to remove power from the set, access the interior of the TV by removing the back, typically. Once you have access bond yourself to the frame using a free hand or bonding wire, wrist strap with alligator clip. Locate the cooling fan or fans and inspect for dirt or dust on the blades. If there is dirt or dust on the blades, using a vacuum and small brush gently remove the debris from the fan and surrounding area. Be careful not to make contact with electrical components. Even though you have power removed some capacitors may spark you. Also you don't want static sparks from your hand or equipment to arc to a component and possibly ruin it. Once satisfied that the units are clean, replace the cover(s) and plug it in to see if the problem was corrected.

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i need a new cooling fan, how much are they?

The old addage "you get what you pay for".....It applies here. You can get 80mm to 120mm fans for under 20 bucks, but depending on how fast they have to spool up to keep the processor cool and how well their blades have been designed determines how loud they are, especially if they have been cheaply made....poor bearings and poor blade design equals noise. Bigger fans are actually a lot quieter because to move air they do not have to turn as many rpms. Get the biggest best made fan you can that will sit confortably in the case without interference. Also, download the little program called Speedfan, it will monitor fan speeds and system temps and make adjustments to the fans to keep them in the quiet range when possible.

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fan making loud noise


does the noise start as soon as you turn the fan oven on?
does the noise stop as you turn off?
just depending what make and model you have there is two fans
in it 1 is the fan motor inside oven at back and other
is the cooling fan which is at top of oven .you just need
to find out which one it is and just replace . then should be back to normal

regards dan

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The problem is a buildup of ice on the plastic housing (the curved plastic bit) in the back of the freezer under the fixed shelf where the icetub goes. The fan behind this plastic housing is hitting the ice when the defrost comes on.

Unplug the fridge, unpack the freezer, remove the four screws in the back, take off the sheetmetal backing and let the fridge thaw. You can remove the plastic piece after a while and get the ice off (be careful not to remove the styrofoam insulation by going too quickly).

Reassemble and you're back in business, for a few months. I'm never buying Samsung again myself.

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