Monitor question: Is this a defect?

[Black Panther]

We purchased 3 Benq monitors 20" 1680x1050 for work.

At their native resolution all 3 appear okay. However for the comfort of other people in the office I had to put them at 1280x768.

As a result... 2 appear fine while the 3rd one (which as Murphy's law wants it is the one I use the most) creates diagonal waves.

I checked and rechecked. At native resolution it's fine... at anything less there's the waves, which grow more conspicuous the lower the res.
I've swapped monitors... and it's still the same.

What is your opinion? Does the seller have the right to tell me it's not defective because it's meant to run at its native resolution?

 

[Deleted member 38767]

I don't think it is defect.
Most LCD/TFT don't work well when they are not at their native resolution.

 

[95Viper]

Just a thought. I had a Princeton that if the refresh rate was set at anything other than 60Hz it would get weird lines or waves. And , I know the refresh rate should not apply to lcds, but it made it act weird.

 

[nafets]

It's defective, period. You have every right to ask for a replacement or return for a full refund, if within the purchase/warranty time limits.

It's supposed to work properly at any and all settings it was designed to be operated at. If all three displayed the same problem, I'd chalk it up to non-native resolution crapiness. But since only one of them shows the problem, while the other two are fine, I'd say your unit is less than properly working. If you sit on it and don't do anything it's possible the problem could spread to occuring during use at the native resolution. No point in being satisfied with a marginal product.

You can try messing with certain settings and possibly get rid of the waviness. If that's not possible, get a different one.