asrock x399 taichi error a5 display

[thomvideo78]

asrock x399 taichi error a5 display
is thaere a few days that i become mad to resolve these issue
still a5 error that prevent me to install any os like win 10 from usb and win 7 from usb
now the only way seems dvd but i have to burn latest versions that support usb3.0 and then add nvme driver like already did on usb but installation immediately stop after first cycle and goes freezed on display every single time i widh to install or also when i just installed but cant boot
i doo clerar cmos unplugged all possible withoput cpu and cooler and load default on bios that also updated to latest p3.50 but nothing

 

[alexoiu]

If disconnecting all storage drives, but the USB and starting installing Windows, still same?

 

[thomvideo78]

If disconnecting all storage drives, but the USB and starting installing Windows, still same?

 

[thomvideo78]

yes i already try these
yesterday i could install win 7 thanks to asrock windows 7 patcher but after 2nd or 3d sequence when i find windows 7 professional title on the screen all stopped to work and has only 1 freez constantly

 

[thomvideo78]

i cant find what really a5 mean on manual says sata devices problem but i have only lg blu ray burner sata other is nvme and usb

 

[thomvideo78]

i try already for some days install and boot properly win 10 and win 7 but nothing i dont know how i do

 

[thomvideo78]

i can only say that last year or 2 years ago has same problem with intel latest chipsets and i dont remember how i resolve it but after some days i reprise to install and boot windows
these days that seems to not be possible