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Error in preferences: Can't load display preferences panel


chriz74
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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?

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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
==================================================
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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
==================================================
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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)

post-438025-0-83150800-1475047459_thumb.png

 

I only have 1 active monitor.

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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.

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