idk about cracking the panel open, but if its from bezel pinch, you can always pull them off.
what screen are you referring to? The answer is going to vary. Like, I'm pretty sure the corner bleed on my 3440x1440p is from internal stresses of the panel itself.
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R.I.P. Zawarudo, may you OC angels' wings in heaven.
If something appears too good to be true, it probably is.
Best R0ach Quote of all time : TLDR: Haswell might be the last legit gaming platform unless mice get their own non-USB interface on some newer architecture.