That's what I intend to do in my next reboot, when I get my current backup done. I would try to get those two security measures back in place and see if the ExpressCard keeps working as expected. Double C 7 IN 1 USB C Hub: Built with aluminum alloy case, specially accessory designed for MacBook Pro 2019/2018/2017/2016, MacBook Air 2018/2019 Easily fulfill your daily use by extending one USB C port to 4K HDMI,Thunderbolt 3 port,100W PD,2 USB 3.0 ports, SD/Micro SD card readers(5Gbps). Obviously, I would advise you to first start by making a full backup of your files and also by reading those articles and try to understand the security/privacy implications of each step and consider you you are willing to take the eventual risk.
It consists in entering Recovery Mode (CMD+R right after turning on your Mac) and typing this in the Terminal: csrutil disable reboot You also need to disable System Integrity Protection. That page is providing the download link for one that should be compatible with El Capitan, and maybe you can find some other option in. You may also need to get an updated kext file.
NOTE: Phones only get Max 4.5W current with a slow charge speed through the USB 3.0 ports. So I found some potentially useful information in some in "hackintosh" related websites and I believe I was able to get it to work again by following the instructions on this site:īasically, it implies that we give up on some important Apple's security measures by enabling the "kext-dev-mode", typing this command in the Terminal: sudo nvram boot-args="kext-dev-mode=1″ Super speed USB 3.0 portsThis USB hub has 3USB3.0 ports, up to 5Gbps data transmission speed and 4.5W power delivery, down compatible with USB A 2.0 and below. Now I decided to give it another shot, as some time has passed by.
#Slow download speed macbook air usb 3.0 thunderbolt adapter install#
I had been able to install it in my Mac some time ago following instructions found on web, but it stopped working as soon as I upgraded to El Capitan. I also have that Macbook Pro (15-inch, 2017, 2.2Ghz) and a non branded USB 3.0 ExpressCard with the NEC UPD720202 Chip.
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