ammar555 Posted June 30, 2012 Share Posted June 30, 2012 Hi, I have Aspire Acer 5750 laptop with Intel HD 3000 graphics and Mac OS X 10.7.4 installed on it. My problem is that I can't adjust brightness, the brightness is too high that my eyes start hurting after 5 mintues of use. I could not find a DSDT patch or a kexts file to fix this issue. Since I have an extra computer monitor, I would like to connect it to my laptop and from there maybe I can adjust the brightness. For some reason when I do that, my monitor displays nothing, just black screen. The only time I could see something is durning the installation process and the booting up process. Right now if I plugin my monitor to my laptop, nothing appears, but if I plug it in to my laptop when it is booting up, I can only see up to the user login screen section. As soon as the user screen shows up, my monitor goes black. I hope someone can help here. It's really frustrating to use the laptop when the brightness is set to the highest level, too much for my eyes. Thank you! Link to comment Share on other sites More sharing options...
giofrida Posted June 30, 2012 Share Posted June 30, 2012 Et Voila! DSDT Patch for Acer Aspire 5750 (hope it works!) 1 Link to comment Share on other sites More sharing options...
TheRacerMaster Posted June 30, 2012 Share Posted June 30, 2012 To use the patch giogrida linked to, follow this guide by MacBreaker: http://www.macbreaker.com/2012/03/make-dsdt-with-dsdt-editor.html 1 Link to comment Share on other sites More sharing options...
ammar555 Posted July 1, 2012 Author Share Posted July 1, 2012 It looks like it worked, but there is a slight problem with the brightness level. You see when I move the slider to the left, the brightness decreases to about 50% only when it should go down slowly to 0%. The brightness level is about 50% before the very last step level, if I move it one more step to the left, the screen goes black. I attached my DSDT file just in case you need it. Thanks! DSDT.aml.zip Link to comment Share on other sites More sharing options...
ammar555 Posted July 2, 2012 Author Share Posted July 2, 2012 Et Voila! DSDT Patch for Acer Aspire 5750 (hope it works!) Do you have anything else I should try? Link to comment Share on other sites More sharing options...
giofrida Posted July 2, 2012 Share Posted July 2, 2012 I don't know what you can do but.. try to search other topics where some users have your issue Link to comment Share on other sites More sharing options...
TheRacerMaster Posted July 2, 2012 Share Posted July 2, 2012 Try this: http://www.insanelymac.com/forum/index.php?showtopic=236835&st=0 1 Link to comment Share on other sites More sharing options...
giofrida Posted July 2, 2012 Share Posted July 2, 2012 Try this: http://www.insanelym...pic=236835&st=0 Right! The DSDT contains that blocks of codes. So should work! 1 Link to comment Share on other sites More sharing options...
ammar555 Posted July 3, 2012 Author Share Posted July 3, 2012 I found a temporarily fix to the brightness issue. I don't call it a solution, but its just a trick to get the brightness under control for now. I am not an expert with DSDT editing or else I would have tried adding some codes as suggested in the website you provided, I just chose this easy way. I just deleted my DSDT file from my Extra folder, then I rebooted the laptop. While it was rebooting I decreased the brightness to the level desired with FN + Left/Right arrows. Since I deleted the DSDT file, the brightness level remained the same, before with the DSDT file, it would change itself. Anyway, I am not happy about this solution, but since I tried to fix it for more than half a month and I failed, I would rather move on. If you ever find a solution even after a year, know that I am waiting for a real fix. Thanks a lot to both of you! Link to comment Share on other sites More sharing options...
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