I'm sure I'm not the only one who has one of these kicking around, fuzzy as hell, fuzzy then fine, pulsing, lines sometimes, warms up and seems okay, fine, fuzzy etc etc. Out of Warranty, Second-Hand, whatever.
Give it a squeeze and a massage, just try and firmly push the whole thing back together. At your own risk - but you don't have much to lose if you're out of warranty - mine now looks mint.
Go around the edges very firmly, softer towards the center obviously, but push it with your thumbs all through the panel.
Since doing this - mine hasn't had any dead pixel, blurry-ness, fuzz or flickering.
Hopefully this helps someone, don't break it - but if you're here it's already nearly worthless.
You can't buy spare panels and do a DIY fix easily or affordably.
I don't have a before and after video but I am happy to film myself mashing it together to show it can take a beating if need.