Trying to overclock cpu, memory_management bsod.

[Reddax]

Hello, i'm new to overclocking and recently bought a hyper 212 evo for my 1055t 6 core 2.8 cpu. I have a Asus M4A87TD/USB3 motherboard. I firstly set my cpu core or something to 250 to bring my overall cpu core to 3.5ghz per core. I change my Memory back to 1333 as it was 1333 originally. When i start up, i get different bsod's. The first one i got was Memory_management and i didn't catch the other one, i'm running back on default 2.8ghz. Why did this happen?
Thanks.

 

[Reddax]

And i guess the question is, how do i overclock a 1055t safetly to either 3.5 or 4mhz on a ASUS board.
Thanks.