Super Moderator
Steam:
76561197993405577 Steam join date: Oct 17, 2007
Steam Level: 249
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Public
What?
I actually don't have any other words than that.
By 1080p I assume you mean a widescreen output, not interlaced, which is 1920x1080(thus the 1080 part, not 1050). If your card used to display this, or your Monitor/TV upscaled this I'd look to those things being the root of your issue.
Alternatively if your desktop resolution is 1400x1050 and you had TF2 forced to 1920x1080 I'm sure there's a config variable you can try forcing it to, but it begs the question - why not just switch to a proper resolution (assuming of course it is 16:9 and not 16:10) for your desktop experience?