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  1. cdl0012

    No Audio from internal speakers with ALC295 (HP Pavilion 15 Power cb-013ng)

    I'm assuming you already have Lilu.kext and whatevergreen.kext installed in L/E as well? I'm using an HP 13t which has ALC295 working with 10.15.1. I think what helped was adding the following within properties of your config.plist. I do not recall having to patch my DSDT to get audio to...
  2. cdl0012

    8550u - CPU speed does not throttle back up during stress test despite lower temperatures

    Thanks for the response and feedback. I’ve disabled Nvidia and the problem still persists. I confirmed the the Nvidia is disabled by looking at system information under graphics and it no longer appears in the list. Only the hd620 appears. Any other ideas?
  3. cdl0012

    8550u - CPU speed does not throttle back up during stress test despite lower temperatures

    Update: This appears to be a bios issue with power limiting. I was able to have this problem in Windows as well. While I'm not sure what the root cause is, I am able to get the CPU to perform at it's max capabilities in MacOS by performing the following steps. Note this is on an HP Envy...
  4. cdl0012

    8550u - CPU speed does not throttle back up during stress test despite lower temperatures

    Odd problem here. When I run cinebench CPU test, the speed of the CPU ramps up to ~2600 mhz. Once the temp of ~70 C hits (typically within 5-10 seconds), the CPU throttles down to 1200-1400mhz and stays there. Temperatures will fall down to 60 C and CPU speed and temp will remain at that...
  5. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    I never had brightness adjustments working at all. But just for kicks, I tried using intelbacklight.kext (rehabman), brightness dsdt patch, and the brightness slider app. Using the brightness slider app, I can now adjust my brightness down. THANK GOD. My retina's were burning staring at a...
  6. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Sorry, figured I'd provide that all in a single zip file. Attached individual ones instead.
  7. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    My apologies. Will provide all files/output moving forward. Thank you very much for your help!
  8. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Followed the guide again. Attached new clover configuration. Sadly, same results.
  9. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Sorry for my ignorance, but is it my config.plist, SSDT.aml files, DSDT.aml files, or something totally different? I followed that guide the best I could several times.
  10. cdl0012

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    I've followed the guide in post #1 and can't get the brightness to work. After booting up, the backlight is off. I have to use the fn F1 key (which I believe is used for max brightness) and the display will then turn on. When I go to display preferences, I see the brightness slider. It is...
  11. cdl0012

    [Solved] Laptop, Intel 520, UHD, Sierra = Black Screen after boot, but HDMI out works

    Resolved: Patched DSDT.aml (https://www.tonymacx86.com/threads/guide-patching-laptop-dsdt-ssdts.152573/) then reverted back to using the config.plist specific for intel 520 provided by rehabman. Next step: Working on brightness control.
  12. cdl0012

    [Solved] Laptop, Intel 520, UHD, Sierra = Black Screen after boot, but HDMI out works

    Need help guys!!! After doing a lot of reading, researching, trial and error, I can't get rid of this graphics issue. Symptoms: Booting with fakeid (0x19168086) and platform id (0x19160000) post DMVT patch, my internal display flashes garble right after the Mac logo progress bar, then the...
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