HP 250 G6 i5 -- Can´t reach the installer

[alexjalser]

disable the TPM device

disable VoodooSMBus.kext

check for any bios updates

also try the attached instead of your
SSDT-EC-USBX-LAPTOP
SSDT-PLUG-DRTNIA

I still having the same ESDT error after all your recomendations.

Maybe i have to enable legacy support in bios?

Should I test another dmg files?

 

[Feartech]

I still having the same ESDT error after all your recomendations.

Maybe i have to enable legacy support in bios?

Should I test another dmg files?

you can try to enable legacy

 

[alexjalser]

you can try to enable legacy

Nothing... still stuck in the ESDT error

Any other idea?

 

[Feartech]

Nothing... still stuck in the ESDT error

Any other idea?

can you post another verbose image where it stops

 

[alexjalser]

With another dmg says the same, here is the last lines of the verbose

 

[Feartech]

With another dmg says the same, here is the last lines of the verbose

another dmg? where from?

 

[alexjalser]

another dmg? where from?

Downloaded macrecovery.py included in the opencore files

Now i have big sur -os latest

 

[Feartech]

Downloaded macrecovery.py included in the opencore files

Now i have big sur -os latest

may be worth trying out:

[Guide] Booting The USB Installer Using OpenCore

A guide in setting up your USB installer using OpenCore. You must have either a built-in ethernet or compatible Broadcom Wifi in your laptop for this guide to work. Built-in Intel Wifi can also work if set correctly...

www.tonymacx86.com

use the files in that post, read post 2 of needed changes for your hardware

this makes a recovery usb stick, you will need working wifi or a lan(preferably) for installation

 

[Feartech]

Downloaded macrecovery.py included in the opencore files

Now i have big sur -os latest

you could also try:

GitHub - corpnewt/SSDTTime: SSDT/DSDT hotpatch attempts.

SSDT/DSDT hotpatch attempts. Contribute to corpnewt/SSDTTime development by creating an account on GitHub.

github.com

and generate the needed aml files

 

[Feartech]

Downloaded macrecovery.py included in the opencore files

Now i have big sur -os latest

also check these settings:
Then insure:
- UEFI boot is enabled (hybrid/with CSM for best result)
- secure boot is disabled
- disable fast boot
- IGPU graphics memory set to 64mb, if available
- disable the serial port via BIOS option, if available
- disable "LAN/WLAN switching", if available
- disable "Extended Idle Power States" if you find it under "Power Management Options"
- disable "Wake on LAN" and "Wake on USB"
- disable Firewire/IEEE 1394, if your laptop has it
- for Skylake and KabyLake laptop, enable "Launch Hotkeys without Fn keypress"
from:

[Guide] HP ProBook/EliteBook/Zbook using Clover UEFI hotpatch

Overview The purpose of this guide is to provide a step-by-step guide to installing Mojave, High Sierra, Sierra, El Capitan, or Yosemite on the ProBook/EliteBook/Zbook equipped with Intel graphics. Note: For Broadwell and Skylake hardware, you must install at least 10.11. Broadwell support in...

www.tonymacx86.com