[SOLVED] I have to manually boot Windows from BIOS ?

Oct 14, 2021
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Hello guys i have a problem, I built my own pc long time ago and recently when i turn it on I get "no signal" on monitor. Then i hold the button to turn it off and after turning it on again I get the american megatrends and have to go to BIOS and boot manually with Windows Boot Manager. My PC is sluggish and has very low FPS in games. I tried to change cmos battery but it stil does the same thing. Can you help me please ?

Here is the pics:
https://lensdump.com/i/gViEIF
https://lensdump.com/i/gViRUr