It looks like this is a problem that no expert have ever seen before! After removing the heat sink and fan, the CPU is there facing you, BUT THERE IS NO LEVER TO BE LIFTED ALL AROUND IT!!! Can it be just cliped in place? Thanks.
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Re: How to remove the cpu from mobo.
Was the heatsink screwed into the mobo or was it clipped to the plastic?
If it was screwed on the processor is soldered to the mobo and cannot be removed.
If its a ZIF socket then more than likely the lever has broken off and the socket is pretty useless now, time for a new mobo.
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Try blowing the dust out of the inside, around the vents, around the fans and by the cpu and heat sink.
Also remove the fan as it sits on the cpu and heat sink. Then remove the heat sink that sits on the cpu, then remove the cpu by releasing the latch on the side of the bay it sits in (remember how the cpu goes back into the bay). Now clean off the old dried up thermal paste on top of the cpu and on the heat sink that sits on the cpu. Put the cpu back into the bay and secure the latch. Apply a fresh coat of Thermal Paste to the CPU and Heat Sink. Put everything back together then reboot.
If the thermal paste has dried or is too thin to keep the unit cool it's like metal touching metal and shorts out the system so it can't boot.
The CPU Heat sink (the big metal block with a fan) may not be making good contact with the CPU surface area.
Thermal compound may have not been applied between the CPU surface area and heat sink
The heat sink and fan are not sufficient enough to cool your CPU
Dust buildup is not allowing proper circulation of cooling air
If this system is not a name brand and covered by warranty then I would remove the heat sink (carefully) and verify that the mounting bracket is not broken or loose. I would check that ample thermal compound is applied, and if not use rubbing alcohol to remove all compound from the heat sink and CPU and purchase a tube of compound to apply yourself. I would also thoroughly clean the heat sink with compressed air.
If the heat issue continues then you will want to consider upgrading to a more powerful cooling solution.
The CPU fan should run constantly but in some systems will run between 50% and 100% speeds assuming a variable temperature control is applied to the system via motherboard or third party installation.
Replacing the fan on the CPU or the GPU, Graphics card, is actually very simple and the fan will run about $20 to $25 depending on what type of fan you get and where. Aside from a new fan you will need a small tube of heat sink compound. The fan just clips on to the CPU. Make sure you get a fan that is designed for your CPU type or it will not fit properly. For instance, if you have a P-3 CPU you can't fit it with a P-2 Chip or P-4 chip, they won't mount correctly and subsequently they won't work. When you go to Best Buy or the computer shop your to buy your part tell them what type of CPU you have and that you want the cooling fan and the heat Sink Compound to mount it with. They will be able to direct you to the proper fan Type. Also, while you have it opened up take the opportunity to use canned Air to blow the dust out of the machine. If you are doing what is called Over Clocking it is important that you know you may have burned the CPU out as this causes the CPU to heat up more than it would if you just had it installed for the proper speed. The old fan will be difficult to remove because the old heat sink compound will have formed a bond between the fan heat sink and the CPU itself. If you have to do any prying to remove the old fan make sure you do so carefully and make sure you clean the old heat sink compound off the CPU before you try mounting the new fan. When you apply the new Heat sink compound you want to place the compound in the center of the CPU and let the heat sink spread the compound out in a thin layer. This compound needs to be spread evenly so it forms a good bond between the Heat sink and the CPU itself to properly transfer the heat from the CPU to the heat sink so the fan can properly cool the CPU.
Your Laptop seems to be full of dust - Maybe your CPU Heat sink FAN cannot turn because if this THUS causing your laptop to heat up and shut down again to prevent your CPU from receiving damage due to high temperature.
Close your laptop lid, then put the unit on its backlcd. Make sure you disconnect the Battery and the A/C Power chord. With the emty battery slot is facing you, take note of the screw that is facing you to the right on the bottom cover. There might be others like this in the same area. The cover that you need to remove is of rectangular shape, and the largest cover.
When you have removed it you should see the CPU Heat sink and a FAN. This is the part where you blow the unit out at that spot with compressed air so that the dirt will no longer block the heat from venting away from the laptop mainboard/cpu.Please check if the CPU FAN is still turning licenly. If it doesn't turn or very difficult - replace .
[ADVANCED] Then, remove the 3 screws from the CPU heat sink and thereby remove the HEAT sink completely. Remove the CPU Heat sink FAN and clean it as nessesary. Use a small flat to switch the CPU from closed to open and remove it. Then clean it with a cloth and ethanol - make sure you remove all dirt and old heat sink paste on top if it. make sure you do not touch the bottom of the CPU and handle the pins carefully.
When you are done, place the CPU back and reaaply a eyedrop of fresh heatsink paste onto the CPU, lock the CPU switch again. Then clean the backside of the CPU heat sink where it rests on the CPU. When you are done with that, place the CPU heat sink back onto the CPU then screw the 3 screws back onto the CPU heat sink and onto the mainboard. Keep the sequence in mind. Reconnect the CPU Heat sink FAN to power on the mainboard with the cable then place the cover back onto it. Tighten all screws again and reconnect battery and A/C Power chord.
clean the cpu cooler slots and replace the thermal compound on the cpu ....make sure you clean off the old thermal compound .....only a thin layer of new thermal C will do all most see through ... hope this helps my friend
Hi oilian, Be glad it did shut down. If it didn't, your new CPU could haveover heated. There are a few reasons for a CPU to over heat. 1.) There is no thermal grease or too little on the heat-sink assembly. 2.) The old thermal grease was not removed or the old thermal tape was not removed. 3.) The heat-sink assembly was not cleaned completely with alcohol before applying new thermal grease. 4.) The CPU fan is running too slowly. 5.) The heat-sink fins are possibly filled with dust build-up & the CPU fan can not cool the heat-sink assembly. Boot to the bios & go to Hardware Monitor. There you can check voltage, CPU fan speed, CPU temp & other bios monitored settings.