Yes the freezing etc could well be caused by the psu and at 125 its way too low. I replaced one last week for exactly this reason..... no problems since then. ( but I wont promise its the problem in your case).... A good cheap PSU... click here
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
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