Hi!
Okay, so without a game it's having the same issues?
Did you also tried to boot without SD card?
If it still give you trouble without the SD card and game, I would replace the power board! This is most likely the part giving you issues.
Guide: [guide|3268]
Part: https://www.aliexpress.us/item/3256806897676888.html?src=google&src=google&albch=shopping&acnt=272-267-0231&slnk=&plac=&mtctp=&albbt=Google_7_shopping&gclsrc=aw.ds&albagn=888888&isSmbAutoCall=false&needSmbHouyi=false&src=google&albch=shopping&acnt=272-267-0231&slnk=&plac=&mtctp=&albbt=Google_7_shopping&gclsrc=aw.ds&albagn=888888&ds_e_adid=&ds_e_matchtype=&ds_e_device=c&ds_e_network=x&ds_e_product_group_id=&ds_e_product_id=nl1005007083991640&ds_e_product_merchant_id=106337979&ds_e_product_country=NL&ds_e_product_language=nl&ds_e_product_channel=online&ds_e_product_store_id=&ds_url_v=2&albcp=20701318733&albag=&isSmbAutoCall=false&needSmbHouyi=false&gad_source=1&gclid=EAIaIQobChMI5r2sqfqghwMVDkb_AR1nSgvYEAQYAiABEgLEOPD_BwE&aff_fcid=3979a81dc708423ebefe19145cb1b828-1720768540007-08916-UneMJZVf&aff_fsk=UneMJZVf&aff_platform=aaf&sk=UneMJZVf&aff_trace_key=3979a81dc708423ebefe19145cb1b828-1720768540007-08916-UneMJZVf&terminal_id=d5ed7f9491ec4faa86900049386a53f5&afSmartRedirect=n&gatewayAdapt=glo2usa4itemAdapt
Good luck and let us know how it goes!