Inspiron 15r SE 7520 overheating after motherboard change while gaming

roshanrbb

Estimable
Sep 11, 2014
3
0
4,510
Hi
I recently changed the motherboard of my inspiron 15r because the other one was short circuit and the new one is all good but while gaming the cpu temperature goes really high from idle temp of ~40 degrees Celsius to 75~80 degree Celsius.it is also causing my hdd to heat up to 55 degrees and higher.
Before there were some blue thermal pads on the cpu, gpu and some chip dies around cpu but now I used thermal compound instead. So I am guessing heat sink is not touching the cpu and gpu properly because of the gap.
Anyone have any experience with such problems?

Any help will be appreciated.
Thanks
 

roshanrbb

Estimable
Sep 11, 2014
3
0
4,510
yeah i guess have to use some shims,
there were 6 thermal pads i guess
NBir4Z2.jpg

but i am not sure what size do i need to buy for this, of what thickness. how to measure the required thickness?
i am thinking to order this one http://www.ebay.com.au/itm/131149261102 but which size should i order?
i am also worried if any of these touch the circuit, that may damage it
the heat sink is like this
10yg9aK.png