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For what ever reason the brightness control in the System Preferences no longer works. I think it may be related to these two previous issues that I posted about in the past https://osxlatitude.com/index.php?/topic/9131-solved-e6420-monitor-sleep-turn-off-on-boot-fresh-install-of-el-capitan/ https://osxlatitude.com/index.php?/topic/9504-solved-black-screen-on-e6420-sierra-upgrade/ I am using the following DSDT because the one in Jake Lo's Sierra bootpack was not working despite me having updated to the same bios version that the bootpack is meant for, as discussed in the above threads. https://osxlatitude.com/index.php?/topic/9131-solved-e6420-monitor-sleep-turn-off-on-boot-fresh-install-of-el-capitan/?p=61321 But that DSDT was patched back when I was on El Capitan, do I need a new freshly patched DSDT for Sierra? Also why does the LoRes DSDT in the Sierra bootpack not work for me? This has been an issue for me since El Captain, is there something different about my E6420's monitor? It uses the Intel HD 3000 with the max resolution of 1366x768.
Hello I've decided to try my hand at installing OS X on my E6420 for the 2nd time. I just installed El Capitan 10.11.5 using Jake Lo's guide. Everything appears to be fully functional except for one thing, my laptop monitor will always turn off during boot. The system is running fine in the background but my monitor just turns off for whatever reason. Unplugging and repluging the charger is my current work around. This works when have access to a wall outlet, but otherwise I am stuck with the monitor off. I am using the e6420 bootpack with the DSDT-LowRes.aml as my display's resolution is 1366x768. Also I do not have optimus on my laptop.
So I'm happily running my Lenovo ThinkPad X201 with Mavericks 10.9.5. All good, but... There are a few things I'm trying to perfect and running into trouble. 1. The trackpad is very sensative even at the lowest settings 2. The audio is quieter than my windows and linux partitions. Quite a bit quieter 3. The external VGA video port does not work. I know that the fix for the first two may lie in trying other kexts, but every time I try a different kext, I loose my QE/CI graphics (which have worked perfectly from the install). So what's the proceedure for trying different kexts for audio and mouse/trackpad without botching the video. And has anybody gotten the external VGA port to work (I haven't seen any thread about success with that). Thanks,