Seagate backup+ external hard drive 4 TB -Window doesn't knw

[Freddy Lynn]

]Does anyone have suggestion to make to be normal to Seagate backup plus external hard drive 4 TB which window doesn't know even without use the Sata adapter and directly to mother board. should i change PCB or open to see the pin ? or other proper way plz

[data-medics]

There is virtually nothing you can do yourself to recover from a 4Tb Seagate that's not being recognized by the system. You'd need professional tools and years of training to handle even the most basic issues with these. Your best bet is to seek professional data recovery service.