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No HDMI output for Alienware M17X R4 in High Sierra


z1326

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SMBIOS profile can also affect HDMI output. Which profile did you configure?

Do you mean the SMbios profile in the clover config.plist ? I didn't change that. With the same config the SSD and APFS breaks HDMI output but and HDD and HFS+ didn't.

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UPDATE: The reason seems to be the SSD. I used an OEM version Intel 520 and I also tried Intel 525, the HDMI output didn't work. But it worked after I install the system into an Intel X25-M or a Sandisk SSD PLUS. Since the both Intel 520 and 525 is based on SandForce 2281 chip ( while Intel X25-M and Sandisk SSD PLUS is not ), is it possible that there're some compatibility problems for SandForce 2281 SSDs?

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