You can try a few different ways to resolve this problem
Try cleaning the game card slot first
any further dirt or debris that could be impeding
If you have several games installed on your PS Vita, second
Take out all except one game to see if the issue is resolved
Finally, if none of these solutions work, it’s conceivable that your PS Vita has a hardware problem that needs to be fixed
Game buttons not functioning
How do I fix the button on my PS Vita?
How are the PS Vita buttons cleaned?
How is a PS Vita game reset?
You must confirm this step by going to the home screen, selecting PSN, Account Management, System Activation, and Reset Device.
What does the PS Vita’s R button do?
How can I launch the safe mode on my PS Vita?
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