chriz74 Posted September 21, 2016 Share Posted September 21, 2016 It's the second time I stumble on this problem, first time on a Lenovo G50-70 with HD4400 igpu. The displays prefs panel in Sierra (final version) won't load, now I got it also on an Acer e571 with HD4000 igpu. Is this a known problem? On my Asus x401a with HD4000 this problem doesn't occur. Both the failing laptops are using intelbacklight kext and edid is being discovered correctly so it's not a problem of EDID injecting. Any clue? Link to comment Share on other sites More sharing options...
gabriel.sdn Posted September 23, 2016 Share Posted September 23, 2016 Same here, and the error persists even if remove the IntelBacklight kext. So, idk what may be causing this Link to comment Share on other sites More sharing options...
chriz74 Posted September 24, 2016 Author Share Posted September 24, 2016 Apparently it's common and it will be addressed sooner or later Link to comment Share on other sites More sharing options...
Andres ZeroCross Posted September 24, 2016 Share Posted September 24, 2016 Maybe this is because there are double PNLF device at your system. Check your DSDT and SSDT,, make sure only one PNLF Device. I only make PNLF device at my SSDT, because my IGPU device is at SSDT Link to comment Share on other sites More sharing options...
chriz74 Posted September 24, 2016 Author Share Posted September 24, 2016 Maybe this is because there are double PNLF device at your system. Check your DSDT and SSDT,, make sure only one PNLF Device. I only make PNLF device at my SSDT, because my IGPU device is at SSDT Nope, only one PNLF Link to comment Share on other sites More sharing options...
VMonHeros Posted September 25, 2016 Share Posted September 25, 2016 Have you tried to fake your panel as an Apple one. It seems it helps some people and so Slice add it in Clover. http://www.insanelymac.com/forum/topic/304530-clover-change-explanations/?p=2277736 Link to comment Share on other sites More sharing options...
chriz74 Posted September 26, 2016 Author Share Posted September 26, 2016 I tried to inject edid and nothing changed. I discovered that windows sees this panel twice. One as active and the other inactive. Maybe this is related to this problem. ================================================== Monitor Name : Active : No Serial Number : Manufacture Week : 53 / 2009 ManufacturerID : 44813 (0xAF0D) ProductID : 5522 (0x1592) Maximum Resolution: 1366 X 768 Image Size : Maximum Image Size: 35 X 19 cm (15.7 Inch) Horizontal Frequency: Vertical Frequency: Digital : Yes Standby Mode : No Suspend Mode : No Low-Power Mode : No Default GTF : No Display Gamma : 2.20 Serial Number (Numeric): 0 (0x00000000) EDID Version : 1.3 Registry Key : CMO1592\1&8713bca&0&UID0 Computer Name : Last Update Time : 03/08/2016 10:01:52 ================================================== ================================================== Monitor Name : Active : Yes Serial Number : Manufacture Week : 53 / 2009 ManufacturerID : 44813 (0xAF0D) ProductID : 5522 (0x1592) Maximum Resolution: 1366 X 768 Image Size : Maximum Image Size: 35 X 19 cm (15.7 Inch) Horizontal Frequency: Vertical Frequency: Digital : Yes Standby Mode : No Suspend Mode : No Low-Power Mode : No Default GTF : No Display Gamma : 2.20 Serial Number (Numeric): 0 (0x00000000) EDID Version : 1.3 Registry Key : CMO1592\4&db601a8&0&UID67568640 Computer Name : Last Update Time : 03/08/2016 10:04:16 ================================================== Link to comment Share on other sites More sharing options...
chriz74 Posted September 26, 2016 Author Share Posted September 26, 2016 So, in another laptop that doesn't have this pref panel problem the display is seen as one, not two. Let's see if this is a pattern. Download http://www.nirsoft.net/utils/monitor_info_view.htmland check in windows if the program recognizes TWO screens for the same panel or just one. Here's the panel in the laptop that doesn't have the problem, only one. I guess why there are 2 in the other one, maybe DUAL LINK ? Or double internal port ? (LVDS / DP) ... I don't know ================================================== Monitor Name : Active : Yes Serial Number : Manufacture Week : 0 / 2010 ManufacturerID : 44806 (0xAF06) ProductID : 12332 (0x302C) Maximum Resolution: 1366 X 768 Image Size : 29.3 X 16.4 cm (13.2 Inch) Maximum Image Size: 29 X 16 cm (13.0 Inch) Horizontal Frequency: Vertical Frequency: Digital : Yes Standby Mode : No Suspend Mode : No Low-Power Mode : No Default GTF : No Display Gamma : 2.20 Serial Number (Numeric): 0 (0x00000000) EDID Version : 1.4 Registry Key : AUO302C\4&1352a2f3&0&UID67568640 Computer Name : Last Update Time : 04/04/2016 13:19:33 ================================================== Link to comment Share on other sites More sharing options...
Yuan Lukito Posted September 28, 2016 Share Posted September 28, 2016 I also have this problem. My laptop is Asus X302UJ with Core i5-6200u, Intel HD 520. It was all running well on El Capitan but after I installed (clean install) macOS Sierra, I can't open Display Preferences anymore. Here is my MonitorInfoView result (attached) I only have 1 active monitor. Link to comment Share on other sites More sharing options...
chriz74 Posted September 28, 2016 Author Share Posted September 28, 2016 I also have this problem. My laptop is Asus X302UJ with Core i5-6200u, Intel HD 520. It was all running well on El Capitan but after I installed (clean install) macOS Sierra, I can't open Display Preferences anymore. Here is my MonitorInfoView result (attached) monitorinfoview.png I only have 1 active monitor. It seems to be a pattern for these laptops. The same panel seen twice on windows, one active one not. My Asus x301a has just one on Windows and display pref is working as usual. Link to comment Share on other sites More sharing options...
plsh2me Posted January 21, 2017 Share Posted January 21, 2017 I have the same problem on my Asus x540lj Link to comment Share on other sites More sharing options...
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