Built-in display in MacBook 13 late 2011 non-retina looks weird About a month ago I bought this MacBook.
Light colours are very light, dark colours are very light. I don't see difference between between some.

In Finder I don't see lines:

But under shadows:


I tried to reset NVRAM by holding Option+Command+P+R till boot, trying to calibrate display in expert mode, but it doesn't nothing radically changed.

I'm tired and it driving me crazy :(

Maybe it isn't original display? I need colorimeter like Spyder5?
Or only new laptop with godlike Retina IPS will solve this problem?

Last option is reinstall entire OS. Going to do that on second hard drive.

Sorry for bad English.
System Prefs > Accessibility > Display > Display contrast.

If this slider is set to anything other than Normal, this is the effect you will see - though it doesn't show on screenshots, except on the same machine, as it's a 'live' effect only.