Display speed Dell 1901FP v. 1701FP

NeoPTLD

Platinum Member
Nov 23, 2001
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Some computer labs on my university campus have Dell 1901FP LCD monitors and I've noticed that it has quite significant ghost effect. I can see a green ghost behind image even when scrolling the text slowly. If I scroll a picture, you can see a ghost too.

I don't see anything like this on the 1701FP LCD monitor.
Why does the 1901FP make much much noticeable ghost effect?