Unable to install OpenBSD 6.0 to HP Probook 4540s in UEFi mode

[dmitry.sensei]

Hi everybody :)

I can not install the OpenBSD 6.0 (stable or snapshots) on the HP
Probook 4540s in UEFI mode.
After booting from the usb - the screen is not readable.
Secure Boot is OFF.

This situation looks like this:
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-- 
Dmitry Orlov