Not sure if CPU or motherboard fried

tonightyou · Nov 2, 2015

okay im a mess right now over the past year ive been upgrading my Lenovo desktop i switched the PSU to a 750 watt got a GTX 650 and left the processor as is (intel pentium) and today i finally recieved my i5 when putting the heatsink on i didnt apply any extra thermal paste as there was already thermal paste on the heatsink and i googled it and everyone said it shouldnt be a problem so i started it up and it ran great but it was loud but i didnt think much of it then 2 hours later i download a program to tell me my temp and it said core 1 and 2 were 80-90 celcius i immediately exit the program and then my screen gets a blue tint then i shut it down after that opened the case and the heatsink wasnt hot at all so i put the case back on but it wont power on i dont know what to do i have more parts coming on the way and i just fried my computer someone please give me a explation as to why this happened and what actually fried and would it fry the GPU with it?

Benjiwenji · Nov 3, 2015

Heat shouldn't have killed it. The CPU will throttle and automatically shut down to prevent damage after 105c. Can you list the specs? Particularly the PSU.

glitchmaster0001 · Nov 3, 2015

tonightyou :

the guy above is right cpu throttled to save itself. id say reapply thermal paste with antec formula 7 then boot up and see what happens

UPDATE: oh my bad i didnt see the part that you said you fried it. in that case the main suspect would be the psu

tonightyou · Nov 3, 2015

Benjiwenji :

sure my specs are
OS: Win 10
GPU: Nvidia Geforce GTX 650
CPU: Intel i5-3470
PSU: Corsair TX750 watt
Mobo: (Lenovo? I never changed the mobo out and im not sure of the model i just know its lenovo)
do you think i was because the mobo couldn't handle the i5?

glitchmaster0001 · Nov 3, 2015

tonightyou :

so the mobo is the stock oem one right? well chances are the mobo could be done the reason why the heatsink wasnt hot was probably because the old thermal paste on it didnt make contact with the cpu and this lead to the cpu heating up to high temps and the mobo being stock oem couldnt handle the heat. you might need a new mobo

UPDATE: at this point id just salvage whatever that is still operational in the lenovo and then move it over to a home built pc so maybe you need a new case and mobo

tonightyou · Nov 3, 2015

glitchmaster0001 :

tonightyou :

so the mobo is the stock oem one right? well chances are the mobo could be done the reason why the heatsink wasnt hot was probably because the old thermal paste on it didnt make contact with the cpu and this lead to the cpu heating up to high temps and the mobo being stock oem couldnt handle the heat. you might need a new mobo

UPDATE: at this point id just salvage whatever that is still operational in the lenovo and then move it over to a home built pc so maybe you need a new case and mobo

okay thanks so much for answering! so do you think my processor is trashed now or could i use it with the new mobo?

glitchmaster0001 · Nov 3, 2015

tonightyou :

glitchmaster0001 :

okay thanks so much for answering! so do you think my processor is trashed now or could i use it with the new mobo?

its worth a shot you might be able to move it over to a new mobo my tip is to use the new mobo box as a test bench and see if the board POSTs (Power On Self Test) if it does post then congrats everthing works! just make sure to use new thermal paste this time i recommend antec formula 7 but if you cant afford it then arctic silver 5 would do fine too

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Not sure if CPU or motherboard fried

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