Question 5 Beeps and psu fan gets louder after cpu upgrade

Aug 4, 2023
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A day ago, i tried to upgrade my cpu, going from an I3-2100 to a I7-2700, everything was going well, i put the thermal paste and the cooler i guess, then i replug everything, but after trying to boot it, i heard 5 beeps, no red lights, with no display either, then after a few seconds the psu fan gets louder, i unplug it, then when i put the old cpu back (the I3-2100), everything goes back to normal, so i know it's an issue from the new cpu, but what could cause that, like what's wrong with the new cpu
 
im not too sure of the motherboards model, i think its the hp 1497, but my pc is a hp compaq 6200 pro sff (also my bad, i meant 3700), im guessing the chipset doesnt support it, i did see a guy using the same cpu in his pc, but he didnt try to boot it so yeah