I can't guess what you mean by correct SSD. Older apples took any hdd/ssd that fit and you moved on. Do you have any drives that fit? Did you try those?
Here a 500GB HDD for a laptop is under 60USD so if you feel the machine is OK this would turn a hard sell into a few hundred bucks. Too bad about the water damage since it really kills the value.
I wanted to get some advice regarding my MacBook Pro's situation. (I'm in the UK)
My MacBook Pro Retina, 13-inch, Early 2015 was water damaged some months ago. Long story short I got the '?' folder and after some stressful visits to various repair stores I was told the data is unrecoverable because the SSD is fried.
Here's the current working order of the MacBook Pro and what I tried:
Recovery Mode was tried, it connects to wifi I get all the options, Reinstall OS, Time Machine, I can go online in recovery mode and even Google works but whenever I try to reinstall OS there is no disk visible.
I tried disk utility but only see 'disk 0' which is 1.33GB unrepairable and 'OS X Base System' 1.33GB which I can also not do anything with.
Obviously the SSD is fried and data unrecoverable - I've accepted that. However here are my questions to you regarding my current options:
Should I sell the MacBook Pro on eBay as faulty without an SSD? If so, for what price?
Should I try and buy the correct SSD for my MacBooks version online and replace it? How risky would that be? I don't want to waste £100 or so on a new SSD only for the motherboard to fry it or to realise it still doesn't work because other components might be fried.
I just don't want to sell it if there's a chance of it being repaired.
Any help would be greatly appreciated.