I've got an 19 in LG flatron  that is real good in my book.1400 to1 contrast  4 ms real nice color
Dells 24 in are good Samsung's are good also.
Had a Spectre did not like it at all.Had some serious ghosting even when just moving the mouse.Not to mention the stuck on pixel just off center on the screen.

"Reinstall Windows" is NOT a troubleshooting step.