Recent content by kumaradevan_c

  1. kumaradevan_c

    BigSur Booting Error RT .GV wake failure

    Hi, I'm trying to do fresh install of BigSur on My Dell Inspiron 7537. Using Clover EFI Bootloader to create the bootable USB. But as soon I select the install volume from boot screen getting Error as shown in the screenshot. What am I doing wrong here.
  2. kumaradevan_c

    Mic not working and HDMI audio not trasmitted

    No I have AL283 on my Dell Inspiron 7537
  3. kumaradevan_c

    [solved] ALC668 - AppleALC - not working

    Please refer here, try all possible layout mentioned
  4. kumaradevan_c

    Mic not working and HDMI audio not trasmitted

    I just used AppleALC.kext from https://github.com/acidanthera/AppleALC/releases provided by vit9696, along with Lilu.kext . I got both mic and HDMI audio working.
  5. kumaradevan_c

    Screen Flickering and graphics distortion on HD4400

    Hi all, I have successfully installed High Sierra on my Dell Inspiron 7537 having intel HD4400. But using certain apps like Chrome or Intellij I'm seeing screen flickering and distorting in graphics particularly on images. Have attached few images. Anyone can you please help. Also attached...
  6. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Thanks Rehabman! Removing ACPIBacklight.kext fixed the issue. But I have been facing graphics glitch or image graphic distorted while using certain apps or Chrome browser. It happening only on internal monitor. Attaching screen shot, anything am I missing here
  7. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Here I have attached problem reporting files. Thanks for your help!
  8. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Rehabman After following the guide I was able to get the slider appearing in System Display preference but the brightness is not changing but stays the same. I'm on HD4400 Haswell on 10.13.5. Please help
  9. kumaradevan_c

    [solved] Touch screen not working after installing XHCIMux.kext

    Thanks Rehabman as always. Now touch screen is working fine.
  10. kumaradevan_c

    [solved] Touch screen not working after installing XHCIMux.kext

    Hi I installed XHCIMux kext to extend USB support but unfortunately after installing XHCIMux kext touch screen is not working any more. What could be the issue and how to resolve the same
  11. kumaradevan_c

    [solved] After patching ALC283 showing only Headphones in output

    Thanks Rehabman, it worked perfectly fine
  12. kumaradevan_c

    [solved] After patching ALC283 showing only Headphones in output

    Hi, I tried patching AppleHDA with CloverALC for ALC283. after patching I could only see headphones alone in audio options Any help appreciate Thanks in advance
  13. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Thanks Rehabman finally got it working by removing default backlight value from config.plist
  14. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Thanks Rehabman. Looks like the value is retain in NVRAM after reboot. This means my NVRAM is working. I see the below value for backlight level in NVRAM <key>backlight-level</key> <data> 9gA= </data>
  15. kumaradevan_c

    [Guide] Laptop backlight control using AppleBacklightFixup.kext

    Thanks Rehabman. How can I check if my NVRAM is working? If not, how to add EmuVariableUefi-64.efi + RC scripts to fix this?
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