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I was searching for ways to fix the shutdown problem on my HP DV6500T laptop. I stumbled across an Italian post which has a fixed for the shutdown problem. I can confirmed that the fix works, and now my laptop shutdown correctly. Before that the screen would go black but the power light was still on, including the fan and other lights.

 

http://forum.insanelymac.com/index.php?sho...105077&st=0

 

Update: I attached the files on this post to make the download easier. If you click on a link in my signature and the link no longer exist, please see the attachments below.

7600GT_512MB.rar

30CCF53_PATCH.rar

PowerManagement.bundle.rar

ALC268_Installer1.zip

ALC268_Installer2.zip

Madtux_ALC268_Shutdown_Fix.zip

OpenHaltRestart_1.0.3.kext.zip

  • 4 months later...
  • 2 months later...
  • 4 weeks later...
The translation of the italian post:

NEW PROCEDURE WITH NEW KEXT by Joeandmat

 

People, no more shutdown fix! Just need to install the right AppleHDA!

The shutdown feature didn't work for me, so I tried 3 different AppleHDA for ALC268 and now it works (without the shutdown fix)!

 

So, try this method... Btw, some audio cards have auto-sensing option -> it means that when you insert the jack of your Headphones, it should mute the speakers and let the audio play on your headphones.

 

MadTux_ALC268

MadTux_ALC268_A

ALC268 with autosensing

 

All you need to do is to install the new AppleHDA.kext and the provided HDAEnabler.kext with kexthelper.

 

 

I installed the ALC268 with autosensing and the HDAEnabler.kext (provided in the italian post) and now the shutdown issue is working =))

 

HP Pavilion dv6837el :(

 

Regards

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