so i tested the t5500 in another laptop and same result, just checking to see if the cpu can be confirmed dead....
i would imagine so, but just curious as to why it happened 3 boots after swap....thanks in advance!
Sounds like it's dead alright.
Thermally and electrically those CPUs are pretty robust. The likely source of failure I can think of is physical damage to the die caused by the heatsink assembly. They're fragile bare die afterall and chipping the edge is common.
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