Blod on Ps4 Pro help

Hello repairers,
little worries Today I have a ps4 pro that I have recovered, I found on this one a hard disk hs that I changed, a functional power supply according to me and today my ps4 pro lights up but stay flashing blue I can not switch it to safe mode and the usb ports do not charge including that of the rear
do you have an idea to solve the problem?
thank you in advance

Did you ever figure it out? I have one same issue exactly.