|"I had dismantled my processor and cleaned the fan and I set it back"|
You can't dismantle a processor. That's like saying you can dismantle a spoon.
"before I did the cleaning, I had no signs of any problem"
Then it would seem that you damaged something either during disassembly or re-assembly.
"i just disconcted it from my motherboard socket with my heatsink and processor attached"
Are you saying you left the CPU & heatsink in place & simply removed the fan to clean the blades? Or that you ripped the CPU/heatsink combo out of the socket without separating them? Generally, the CPU cannot be removed from the socket without 1st removing the heatsink because the heatsink blocks access to the CPU locking lever. Just in case you ever attempt this again, what you should have done was run the computer for a while to heat up the CPU & soften the thermal material bewteen the CPU & heatsink. Then immediately shutdown the system, unplug the power cord, & unlatch the heatsink. Usually a slight twisting motion is all it will take to break it free from the CPU. Once the heatsink is off, you have access to the CPU locking lever.
So if you did rip them out as a unit, how were you able to get the CPU reinstalled in the socket again without access to the locking lever?