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kingxsmoothy

Inspiron 3148 El Capitan/Yosemite

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Update:

 

Sleep, shutdown, and brightness control are now working again. I'm not sure why, though. My first idea was that it was rebuilding the kernel extension cache that helped. I reinstalled some kernel extensions for backlight control recently and had to rebuild it.

 

I don't know about the ePSA test... I think I'll just go to the Boot Options menu to avoid it on startup.

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Did you ever solve the ePSA test? Randomly my laptop boots into the ePSA and makes loud beeps while its testing. I have the options for Legacy and UEFI boot in bios enabled and the clover is UEFI. 

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