iATKOS | United Kingdom

this is my error, I used a toturial on opencore 0.7.2

I install every kexts and drivers I need and change bios settings, but when I booting I show some text and after some second s it hide.

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first boot

and after about 20 seconds I show this menu, but before I choice any option, it writes "timeout" and restart laptop

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screen in 20s

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this menu I mean, but after 1 second or two, it write 'timeout'

my Laptop:

Lenovo ideapad l3

intel i5 10th comet lake

ram 8 gb

flash card is 16gb

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please anyone help me.