pcuser32 Posted March 5, 2021 Share Posted March 5, 2021 Hi. I need help! I went from dual E5-2637 v3 - 4 core 8 threads and no problems to dual E5-2690v4 -14 cores 28 threads not OSX Catalina wont boot not sure how to fix this attached please find a screen shot of the boot screen any help / suggestions are welcomed Thanks! Link to comment Share on other sites More sharing options...
Rocky12 Posted March 5, 2021 Share Posted March 5, 2021 If u didn't change anything als it could be a fault of dsdt Link to comment Share on other sites More sharing options...
pcuser32 Posted March 5, 2021 Author Share Posted March 5, 2021 thanks for the info trying to locate my vanilla clover usb checking.. Link to comment Share on other sites More sharing options...
Rocky12 Posted March 5, 2021 Share Posted March 5, 2021 Extract new dsdt with new CPU Link to comment Share on other sites More sharing options...
pcuser32 Posted March 6, 2021 Author Share Posted March 6, 2021 (edited) How? I cant read or access the catalina EFI partition from windows on the z840 I mounted the catalina boot USB into my mojave vm and found out that the catalina usb does not contain a dsdt file only SSDT-OLARILA.aml not sure now how to proceed? Edited March 6, 2021 by pcuser32 added info: also system no longer boots from USB either Link to comment Share on other sites More sharing options...
pcuser32 Posted March 6, 2021 Author Share Posted March 6, 2021 (edited) added newly generated dsdt file to the catalina usb to no avail same result as screen shot is there no one who knows how to fix this? Edited March 6, 2021 by pcuser32 more info: just created new VoodooTSCSync.kext also to no avail Link to comment Share on other sites More sharing options...
pcuser32 Posted March 6, 2021 Author Share Posted March 6, 2021 I think there is a problem with the clover bootloader or the Boot Args Link to comment Share on other sites More sharing options...
pcuser32 Posted April 14, 2021 Author Share Posted April 14, 2021 Resolved setting Clover SMBIOS to iMac15,1 and FakeCPUID 0x0306F2 closes to broadwell E/EC processors Link to comment Share on other sites More sharing options...
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