Excessive brightness on some computers

We just got the computer that we’ll run our game on, but for some reason everything is unexplainably brighter on this new machine than on the macs we’ve been developing on and the PC we’ve been testing on.

Screenshots of the same build running on the two PCs are posted below:

  • The first one is from our original 2.21 GHz Opteron with an Nvidia Quadro FX 3000. The game looks similar on the Mac.

  • The second (brighter) pic is from the new PC, a 3.4 GHz Pentium 4 with an Nvidia GeForce 7900 GT

Any ideas why this is happening and what we can do about it? Does it have something to do with the video card? Thanks!
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Most likely it’s a video card/driver issue. Can you send in the project folder (or just the built windows player) via ReportBug.app?