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hydrive1902 asked on

removing heatsync from a Viper board

Hi, I had a person at my work tell me the computer doesnt power on (I am the IT guy) and I determined the problem was the power button on the back of the computer was turned off. However before I even looked at it the first thing I did was bring it outside and air dust the components because it was packed with dust. I figured while I have the case open and the wires disconnected I would re apply new thermal paste on the CPU but I am having trouble getting the heat sync removed. I took the fan off and am having trouble with the actual metal heatsync. Below is a photo.

 pic 1
I push the side latch down, and it still doesnt budge. I never had a problem with one of these before (getting it removed) if I remember right on the last computer I worked on I just pulled the latch back and the thing popped right off.

Am I doing something wrong here or is this clip jammed some how? it appears its looser when the tab is pulled down (photo below).

 pic 2
So I pushed the tab down and tried to pry the side to pop the latch but it didnt pop. Should I apply more pressure or is there another trick to remove it?

ComponentsHardwarePC

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Last Comment
Callandor

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Dr. Klahn

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ASKER
hydrive1902

Great idea but it didnt work.

Before I did notice the latch had a slight click when I slide it to the right however it didnt unlatch it. I didnt think to slide it 180 degrees back as I was pushing it in however I just tried that and that didnt pop it ether.

I tried to wedge a small flat head screwdriver enough to lower the metal buckel from the latch but the the only thing that snapped was my finger (good thing I got a tetanus shot last week) as the plastic latch shot back to the upright position after I applied a bit of tention to the buckell and latch area.

I have done many of them that are this style and never had any issues, is it posable its jammed? when I slide it to the right (to "click" it) it doesnt feel like a solid click but I do feel some what of a click.

Looks like my options are
1. break the metal buckell and replace the piece that holds the heat sync in place
2. leave it alone and hope the thermal paste is not dried up (the computer is atleast 5 years old so I am sure its somewhat dried out)
3. find another way to open the latch!
Dr. Klahn

There's really no reason to replace the thermal compound unless you suspect that someone has previously removed the heat sink.  In this case that doesn't seem to be probable.

Let me be clearer on the release procedure.  Push the plastic latch handle down.  It must now be released.  There are two possible modes of release.  One, twist it to the left and it will slip out of the catch if the catch is located to its right.  Two. while pushing it down, simultaneously lift the end of the latch handle farthest from the pivot and the latch will slip out of the catch if the catch is located under the latch handle.  Then lift the latch handle and turn it 180 degrees around the pivot. Latching mechanism
Dr. Klahn

And a third possibility:  Push the latch handle down and release it sharply.  If the latch is a push-to-lock, push-to-release type, the latch handle will pop up as the latch releases.
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fblack61
ASKER
hydrive1902

Definitly good ideas but its still a no go. Its definitly not posability one because there is no swivil mechenism to turn it, and its definitly not the third posability you mentioned because the default position is with the latch up. Pushing the latch down causes it to loosen up but still not enough slack to release it from the side opposite the pivot, even when I press the pivot all the way to the right.

I doubt these new photos will clearify it but just incase...here they are.

Pivot side view, latch up (this is the locked position)
 pic 3

Pivot side view, latch down (slightly loser)
 pic 4

Latch and buckel (opposite the pivot)
 pic 5
I am guessing its somehow stuck or jammed?
SOLUTION
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