Laptop CPU Overheating

[4n6r0]

I have an Asus N55SL laptop, and for past few days the CPU has been throttling. The idle (only chrome open) has been hovering around 90-95C. The CPU usage is like 20%.

 

Things I have already done:

 

1) I have torn the laptop completely open and cleaned everything my eyes can see. CPU fan and motherboard are almost dust free.

 

2) I have reapplied thermal paste for both CPU and GPU. The GPU temps while running FURMARK are around 69C. So the cooler is working fine.

 

When the laptop is in idle and when the CPU temps are above 90C, the fan will be at 100% like it should, but the air coming out of it is not warm. It's like the heat is not transferring from the CPU to the cooler. So do you guys have any ideas because I am completely lost.

[Tim Drake]

How long have you had it?

 

May need cleaned out

[Timopomer]

I have an Asus N55SL laptop, and for past few days the CPU has been throttling. The idle (only chrome open) has been hovering around 90-95C. The CPU usage is like 20%.

 

Things I have already done:

 

1) I have torn the laptop completely open and cleaned everything my eyes can see. CPU fan and motherboard are almost dust free.

 

2) I have reapplied thermal paste for both CPU and GPU. The GPU temps while running FURMARK are around 69C. So the cooler is working fine.

 

When the laptop is in idle and when the CPU temps are above 90C, the fan will be at 100% like it should, but the air coming out of it is not warm. It's like the heat is not transferring from the CPU to the cooler. So do you guys have any ideas because I am completely lost.

open it and look at the heatsink.

[LemonSpice]

could you replace thermal past

[4n6r0]

The CPU fan is clean, and the thermal paste was already reapplied. In case you were wondering the thermal paste I used was Arctic Cooler MX-4

[TheElt]

I have an Asus N55SL laptop, and for past few days the CPU has been throttling. The idle (only chrome open) has been hovering around 90-95C. The CPU usage is like 20%.

 

Things I have already done:

 

1) I have torn the laptop completely open and cleaned everything my eyes can see. CPU fan and motherboard are almost dust free.

 

2) I have reapplied thermal paste for both CPU and GPU. The GPU temps while running FURMARK are around 69C. So the cooler is working fine.

 

When the laptop is in idle and when the CPU temps are above 90C, the fan will be at 100% like it should, but the air coming out of it is not warm. It's like the heat is not transferring from the CPU to the cooler. So do you guys have any ideas because I am completely lost.

Sounds like the CPU isn't making full contact with the heatsink assembly. Open the laptop back up and make sure that all the screws are evenly tight, if that doesn't work then let it run idle for about half an hour, then pull the heatsink off. The thermal paste not in contact with the heatsink should have dried, if only a corner hasn't dried out then re-do the thermal paste a little thicker, and make sure the heatsink is going down evenly over the CPU, and the screws are tight.