When i run the game (starcraft2) my monitor black out displaying signal frequency out of range. but i can hear the sound, i guess problem is due to its default refresh rate or resolution. i have reinstall the game n update my drivers but nothing seem to work, is there any way i can change the resolution without running the game? my current windows resolution is 1280X1024 with 75Hz. N its Model is Mitsubishi Diamond Plus 93SB.
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In your documents folder, there should be a folder called Starcraft II. Inside is a file named variables.txt. You should be able to edit the resolution manually from there.