Well, make sure they're in the same mode first of all!
Other than that, you can calibrate them yourself or, if you don't own a calibration device, pick the one you prefer and put the other one in "Custom Color" mode, then you can tweak Gain, Offset, Hue, And saturation to try and match it. You might also try your graphics card driver, although unfortunately Nvidia have removed a lot of the Gamma control, available under XP, from their Vista/Win 7 drivers. Better to go via the monitor controls first anyway..
Note that if you actually have the green/pink tint issue, no amount of tweaking will help much, since one half of the screen is in disagreement with the other half (one half being green, the other half being pink).
From another U2410 monitor I viewed. I noticed it straight away as the U2410 I got from Overclockers did not suffer the issue, so I know how good the colours on these screens should look. I switched to a white background, and straight away it was apparent the left side was green tinted. The pink on the right was slightly harder to notice, but was also fairly apparent.
The other thing was I started to notice that it was causing me eye strain. It's almost as if your brain is subconsciously processing the differences between the 2 halves and making your eyes sore. Whilst the dead pixel was a small annoyance, this green pink tint thing was completely unbearable. I'd sooner dig my own eyes out with a spoon than use it. Well, ok, maybe not.. but pretty close. The worst thing of all is, as I said, there is no way around it. It's a disgrace anything like that is leaving the factory..
Btw, as an aside, this monitor launched in the USA yesterday. Dell are already offering a 20% coupon off the $600 price, for a $480 total, or £287. So Dell Hong Kong get it for £266, Dell Malaysia much the same, Dell USA £287, but the UK? That'll be £574 please. I'm starting to think Michael Dell hates British people or something..
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