Portal 2 > 综合讨论 > 主题详情
TheSpoink 2012年12月1日上午1:07
help! --- black screen ----
when i opened the game everything was fine i clicked on start game, then there was a tutorial, but the screen was black and i had to go to a paitning but i couldnt see it! please help!
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[DFS]Doug RattMann Co. 2013年1月28日上午5:57 
What you have to do is go into the options and click on keyboard. Then click on advanced. Then enable the developer console. Press ~ to open it. Then type this command while in -game:
mat_postprocess_enable 0. You will have to do this each time you want to play.
Suzy_Da_Goosey 2013年1月28日上午8:02 
Try re-installing Portal 2, if it doesn't work, contact Valve about this. Could be some kind of "requirement" that you do not have.
paulk92 2013年1月28日下午3:34 
Change the resolution in the options. I had the same problem and this worked for me.
edesignspl 2013年1月28日下午5:30 
Good luck fixing this. Might be quicker to just start over if you haven't got very far and hope it doesn't happen again.

This happened to me early last summer. I've been going round and round with Steam support recently to no avail. They've had me verify file integrity, delete and reinstall Portal 2, delete and reinstall Steam, delete files from the registry, send them dxdiag files, try safe modes...no solution. I don't think that anything had changed on my computer either, not even the video driver, from the last time it worked to when it went to the black screen (no audio looping, seems to work fine except the black screen).

Older saved games and new games appear to work fine but I have not tested to see if they incur the same problem after a while. My system is more than enough for this game (2500K, GTX 570 Lightning, 8Gb RAM, blah blah) and it seems to be a problem with the save file corrupting. If it was a hardware issue then it would occur any time I tried to start a game...saved or new. I don't know what can get corrupted in a save file that could impact the video. It seems odd.
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发帖日期: 2012年12月1日上午1:07
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