Heat sink and fan seem to be in good shape, but one plastic catch, holding fan and heat sink to CPU, is broken. When I released the remaining 3 catches, I discovered some kind of paste between the CPU and the aluminum heat sink. I am guessing this is heat sink paste. My question is: Do I need to replace this old "paste", or just add some more. If the old paste needs to be removed, can I safely scrape it from the CPU and heat sink with a razor blade or should I use some kind of solvent.
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When the CPUoverheats it goes into thermal shutdown and will not boot up again until theCPU has cooled down. The heat sink may be clogged with dust, which causes the CPU to overheat byreducing air circulation through the heat sink.When you replaced the CPU fan, did you put new thermal heatsink paste on the CPU/heatsink? If not then the CPU can overhest. Your computer fanmay be faulty and not spinning freely, in this case replace the fan. Check the fan and heat sink assembly and remove the dust, loosen the dust anduse a can of compressed air to clear away the dust.
calm down the CPU fan and heat sink are collecting a huge amount of dust the fan my looks it is turning but slower than normal the heat sink is that metal fined bulk that have the fan at the top of it when the dust is filling the gapes between fins and under the cooling fan it is easy to clean just unplug the CPU fan clean the duty heat sink first in it`s place dont remove it make sure all fins are clean so the air could flow and cool the things up the fan in your hand remove the backside sticker you will find a small white plastic ring that hold the end of fan`s axial with small knife tip remove the ring then take of the blades of fan away clean them will with a small tissue clean the inner part of fan coils and so then bring a very littil mount of any thick cream hand cream or vasilien jelly lubricate the axial reassemblies you have a fan better than the new one and makes no any sounds
see do one thing check the cpu fan whether it is working properly and is not producing any noise if it is then probably you need to replace your cpu fan with a new one also makke sure that your power supply fan and chasis fan is working as excess heat gets generated in the system they remove it
to change the cpu fan
1.see it will depend on what kind of cpu socket you have pin or pinless
for pin-open the plastic clamp on the fan
for pinless -unscrew the heatsink
2.remove the heatsink and replace it it will be much better if you replace the full heat sink with a new one .also don't forget to put thermal grease compound for effivient heat transfer in between the cpu and the heat sink contact generally these days heat sinks come with pre-applied thermal componds but still it is recomended to apply it firmly over the cpu before installing the heat sink on it
3.if you wish to install the old heatsink by just replacing the top fan then replace the fan and rub the bottom of the heat sink with a sand paper to make it even and free from dust and oxide apply thermal compond and install it on the processor .plug bak the cpu fan header cable .
start your system it will stop overheating..
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.
If you are innovative enough one can improvise by simply hold the fan to the heat sink with copper wire in case only one bracket is broken. The fan only requires to be on the heat sink to remove heat from the processor. Otherwise the fan & heat sink as one sealed unit only. Else try out the junk yard and see if you can hunt for one where PC's are dumped !
However if you want your PC to last for 2-3 yrs more, trouble-free, then my recommendation would be to replace the fan+heat sink unit, 'cos if the heat conducting paste between the processor & heat sink, if disturbed cannot be replaced to its original capacity & the processor will overheat and the PC will auto shut down repeatedly, till the processor is damaged permanently! .............................sodeep
You can find professional cleaning solution products at any good computer parts store, or you can rubbing alchohol (the less water content the better) use a lint free cloth like the kind to clean eye glasses.
Hi, All the factory fitted CPUs are having such heat sinks as previously u were having. Check on the backside there will be small plastic covers where screws fit these could be removed by screw driver but u can purchase that heat sink or can use previous heatsink as well if it is working.
Hi Jharper91, There is no easy way to explain how to remove your Intel® Pentium® 4 processor with out some pictures. Intel does have a site showing how to install. Once you understand how to install you'll be able to remove. Try looking through this link from Intel. http://www.intel.com/support/processors/pentium4/sb/CS-007988.htm Newer Intel Pentium 4 processor use 4 plastic pins to hold the retention clip onto the board. To remove them you will need to lift the motherboard out of the case. Using a needle-nose plier to squeeze the plastic ends together & pop-out the plastic pins. The north bridge can be glued onto the chipset & have 2 pins bent inwards on themselves. Bend them in and push them through. If glued, use a hair dryer to heat the cooler, thus making the glue soften. Each board can & do use different methods to hold coolers to the chipset's. You might want to keep in mind the total db of adding a bunch of coolers. It may get very noisy for you.
I hope you find this helpful. If I can help you more just post you're question's here. Good Luck Jharper91!