Moderators Jake Lo Posted August 28, 2017 Moderators Share Posted August 28, 2017 Update the files to your installer and try installing Link to comment Share on other sites More sharing options...
Marco1984 Posted August 28, 2017 Author Share Posted August 28, 2017 I just updated Jake but same problem I can't boot from usb to install Sierra. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 28, 2017 Moderators Share Posted August 28, 2017 Please be more specific. USB is not bootable? KP during install? ??? Link to comment Share on other sites More sharing options...
Marco1984 Posted August 28, 2017 Author Share Posted August 28, 2017 Yes USB isn't bootable! Kp during installation. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Marco1984 Posted August 28, 2017 Author Share Posted August 28, 2017 Hi Jake I tried to change Kernel but I can't boot from usb Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Marco1984 Posted August 28, 2017 Author Share Posted August 28, 2017 I have black screen is going little bit in verbose mode after that the screen goes black like pictures but pc is on. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 28, 2017 Moderators Share Posted August 28, 2017 what kernel did you replace with? What is the KP before you replaced the kernel? Does system also have a discrete card Nvidia? Link to comment Share on other sites More sharing options...
Marco1984 Posted August 28, 2017 Author Share Posted August 28, 2017 No I tried to check the KP on clover configurator, this pc have nVIDIA NVS 4200M, intel i7 -2640M, GPU=GF119GLM Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 29, 2017 Moderators Share Posted August 29, 2017 Try this config and DSDT. NVS4200m needs to be disabled in Sierra T420s_Disable_NVS4200m.zip Link to comment Share on other sites More sharing options...
Marco1984 Posted August 29, 2017 Author Share Posted August 29, 2017 Hi Jake I tried your config. But i get this error. Thanks Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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