Question CPU running at 1,6GHz and cant enter BIOS

Jul 21, 2019
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I have 2 problems... my i5 2400 cpu is running at 1,6 GHz and I dont know why. I want to enter the BIOS but if I spam Del, f2 and f12 etc. but the bios shows up for not even 1 second



my specs:
cpu: i5 2400
Mobo: MSI h61ma-e35
2x4gb ram 1333 mhz
msi gtx 660 ti

what is the problem?