Hello sorry i am new to forum after i couldnt get everything what i wanted to know so i am just gonna ask it here so yeah lets start.
specs :-
CPU - amd phenom ii x4 955 stock cooler
Gpu - GT440 1gb ddr3 128bit asus
Motherboard - Gigabyte 78lmt s2p version 1.3
Ram - 2x4= 6gb ram
i will tell issue with some pictures
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this is the default settings as u can see voltage control everything is at auto nothing changed.
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and this picture is of pc health status and do u see the vcore its just high and others too.
if i change some of it like 
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as u see not much changed i undervolted more but pc shuts off to take this sample picture i kept at minimal
and in windows its shows different here are pics in windows default settings
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as you see here coretemp shows 1.4 vcore cpu as it is and cpuHM its default so i used amd overdrive little changes
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i dropped slightly and it shows effect in temp and everywhere can anyone tell me is this a issue i should be worried about or what ever it is just let me know and yeah i know above 1.4 vcore is issue but i am using this pc for more than a year i did built it from scrap yard gives me 100 stable fps in 3.3 ghz in valorant with default as u can see it has high temp and it kinda not much little stutter and temp is you know and i did test it didnt cross 57 degree in valorant or with toothpaste it went 81 and idle 65 and increasing. like its been 3 days i changed thermal paste before that it ran on toothpaste for 2 days and temp was higher before that and with toothpaste too like above 60 always with toothpaste it went 81 i didnt let it go more changed its as soon possible.