TUX FIRE Posted May 2, 2012 Share Posted May 2, 2012 Hello I have found something weird with the backlight function, well it's works fine, but the max brightness level isn't enough (about 80 or 90%) When the Mac wakes from sleep, the Brightness becomes higher than before (100%) In IOReg, i watched the "AppleBacklightDisplay", his property "IOPowerManagement" has 2 values before the standby : (CurrentPowerState & MaxPowerState) After the Wake, the property "IOPowerManagement" has 3 values : (CurrentPowerState, DevicePowerState & MaxPowerState) The Mac is under Ac Power not Battery, my DSDT is Patched. Any Ideas ?? Thank you. 1 Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/ Share on other sites More sharing options...
juanerson Posted May 3, 2012 Share Posted May 3, 2012 Very interesting, sure many people have the same report. And another example, when I put the display to sleep, or goes automatically to sleep (only the LID screen device) and wake up, it show three values. Not before. BUT maybe is normal? should be the expected behavior in a genuine macbook pro or Air with the HD 3000 GPU? Therefore, I think we need to compare IOREGS, before sleep and after wake, from the MBP8,1 and/or MBA4,2 of course running Lion. Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1817695 Share on other sites More sharing options...
TUX FIRE Posted May 3, 2012 Author Share Posted May 3, 2012 Mine is 8,1 Smbios definition. I Found another weird thing !! When i keep my mac only on AC adapter (i remove the battery) and i (re)boot, once i'm on desktop, going to system preferences --> Energy saver. i can see that the tab is on Battery !!! and as mentioned the display sleep is in 2min, to verify that, i do nothing and about 2min the display sleep comes. When i plug the battery,the tab change to AC Adapter !!! (Normally is the contrary should be happen) I think that something wrong in my DSDT If you keep the Ac & Battery and u close the clamshell, after wake, it becomes normal, and the backlight is higher. Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1817746 Share on other sites More sharing options...
alepartt Posted May 4, 2012 Share Posted May 4, 2012 hi tux fire-have a question: how did you work wireless 1701? Can u help me with DSDT I have the same laptop but have I3 cpu. Ty Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1817891 Share on other sites More sharing options...
TUX FIRE Posted May 5, 2012 Author Share Posted May 5, 2012 i told you, the dell 1701 bluetooth is natively supported by Lion, Wifi not, Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1818238 Share on other sites More sharing options...
TUX FIRE Posted May 6, 2012 Author Share Posted May 6, 2012 I found another weird thing, always battery removed, i put the mac only on AC Power, once on desktop, i check the system properties, the mac show me that the actual source of power is the battery !!! that explain why i don't have the normal backlight, because after the standby, the backlight become normal and the mac show me this time the actual source power is AC power. Do you think that the problem is Battery Kexts or from DSDT ? Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1818459 Share on other sites More sharing options...
navendugoyal Posted May 7, 2012 Share Posted May 7, 2012 Ya I got the same problem on my hp pavillion dv 6 quad core i7 . my backlight display is slightly lower than fully supportes , but when i sleep and get it to wake up the display brightness is complete as in dual booted windows can someome help Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1818517 Share on other sites More sharing options...
TUX FIRE Posted May 7, 2012 Author Share Posted May 7, 2012 the problem is that the mac when boot, doesn't check the power statue, and automatically set it to battery. i think it's a DSDT problem but where ? Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1818720 Share on other sites More sharing options...
navendugoyal Posted May 11, 2012 Share Posted May 11, 2012 so any progress to the problem have u tried the edid setup for ur display i am gonna try do lt me know try this link http://www.tonymacx86.com/viewtopic.php?f=15&t=53970 Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1819766 Share on other sites More sharing options...
TUX FIRE Posted May 11, 2012 Author Share Posted May 11, 2012 doesn't work for my, i have the display but the backlight is always the same, low before standby and high after. Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1819859 Share on other sites More sharing options...
navendugoyal Posted May 12, 2012 Share Posted May 12, 2012 i corrected my edid but the problem is still the same :-( somebody help us out please........................ Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1819934 Share on other sites More sharing options...
navendugoyal Posted May 12, 2012 Share Posted May 12, 2012 i have a hunch that it is a problem with dsdt Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1819937 Share on other sites More sharing options...
TUX FIRE Posted May 12, 2012 Author Share Posted May 12, 2012 maybe, i have removed my battery kext, now the mac shows me that the actual power source is the AC Power but i have always a low brightness. Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820029 Share on other sites More sharing options...
navendugoyal Posted May 13, 2012 Share Posted May 13, 2012 did u try talking in irc channels or on tonymac . i was so happy to have qe/ci and gr8 1920 x 1080 resolution but then the backlight problem ,yuhhhhhhhhhhhhh come on someone find a solution if i remember right the backlight is alrite on boot screen so probably its with dsdt which i have patches as hp DV6T GENERIC from olarila Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820236 Share on other sites More sharing options...
navendugoyal Posted May 13, 2012 Share Posted May 13, 2012 i have hp pavillion dv6 quad core with i7 2670 . i can only run it with chameleon , some problem which i could never solve is to get it woking with chimera . there are so many posts on hd 3000 that say to install chimera because it suppirts intel hd 3000 natively and works without any dsdt or kext edits . have u tried installing chimera . belive me i am 24 hours into getting our problem solved out Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820252 Share on other sites More sharing options...
navendugoyal Posted May 14, 2012 Share Posted May 14, 2012 ya i think confirmed the source now without using snb framebuffer kext the backlight is 100% when it loads we have the problem so we require modified kext or some other solution i dont think its the dsdt Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820393 Share on other sites More sharing options...
TUX FIRE Posted May 14, 2012 Author Share Posted May 14, 2012 don't worry i use the latest chimera v1.9.2, and i have a native support for my HD3000 (except the pool error in the console) For the SNB frame buffer, if i delete it, i can't boot correctly, it show me just SNB Framebuffer did not show up, kext unload and the screen still here. Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820453 Share on other sites More sharing options...
navendugoyal Posted May 14, 2012 Share Posted May 14, 2012 still whats the solution to the problem , chimera doesnt work on my laptop if i update to 10.7.3 but works well with 10.7.0 Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820472 Share on other sites More sharing options...
TUX FIRE Posted May 14, 2012 Author Share Posted May 14, 2012 i work always with Chimera boot loader, it's works fine for me Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820484 Share on other sites More sharing options...
navendugoyal Posted May 15, 2012 Share Posted May 15, 2012 well i guess it shouldnt make a real difference between chimera and chameleon but have u solve the backlight problem or its still unsolvd Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820608 Share on other sites More sharing options...
TUX FIRE Posted May 15, 2012 Author Share Posted May 15, 2012 Yes but i don't know how to edit the SNB Framebuffer, maybe, edit the connectors ? i don't know really... Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820695 Share on other sites More sharing options...
navendugoyal Posted May 16, 2012 Share Posted May 16, 2012 so where have u reached with the backlight problem have u sorted it out Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820919 Share on other sites More sharing options...
TUX FIRE Posted May 16, 2012 Author Share Posted May 16, 2012 it's no solution for this problem :D i'll use a bulb light hahaha Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1820971 Share on other sites More sharing options...
Smith@@™ Posted May 25, 2012 Share Posted May 25, 2012 Look here : http://www.insanelymac.com/forum/index.php?showtopic=279095&view=findpost&p=1822857 Link to comment https://www.insanelymac.com/forum/topic/278633-problem-with-backlight/#findComment-1822859 Share on other sites More sharing options...
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