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e7240 yosmite help


beastyboy uk
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ok, I think I also have this issue.

steps to get it working again:

launch kextwizard. select the Loaded tab, do a search for codec on the bottom

when found, do a Reload.

Sound should come back to the speaker. If the headphone is still not work, just put system to sleep and then wake it up.

That's a workaround for now until I could get something better.

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the HP doesn't work at all even on a reboot or just after wake from sleep?

No the vietnam tool does not have a working kext for this model. if you use voodoohda, you'll only get hissing white noise on the headphone

 

The genericUSBXHCI was also in my bootpack, perhaps the vietnamtool has a newer version. works fine with mine but I don't a USB 3.0 device to test...

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I am not sure if my E7240 is of any difference from all other users here.

 

I am not able to boot the USB installer created using Jake's detailed instruction. Hence, I am still unable to install Yosemite.

 

Mine is a E7240 i7-4600U FHD touch. Don't know if my machine is hardware or version different from those you have,

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