Lenovo ThinkPad P53, ThinkPad P73 Red Hat Enterprise Linux Setup Guide [en, ar, bg, cs, da, de, el, es, fi, fr, he, hr, hu, id, it, ja, ko, nb, nl, pl, pt, pt, ro, ru, sh, sk, sl, sv, th, tr, uk, zc, zh]

Red Hat Enterprise Linux Setup Guide
For ThinkPad P53, P73 ***Official support of RHEL 8.0 and later.
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The first step before installing Linux is to make sure the system BIOS is setup correctly.
Boot into BIOS by pressing the function F1 key at the “Lenovo” splash screen.
Tab over to the ‘Restart’ menu tab and set “OS Optimized Defaults” to “Disabled”.
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Switching the “OS Optimized Defaults” settings may give a warning message. Select “Yes” to continue to disable OS Optimized Defaults.
Tab over to the “Startup” menu tab.
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Pressing F9 function key will allow Legacy and UEFI bootable devices by setting “UEFI/Legacy Boot” to “Both”; otherwise, it will be an unchangeable setting to “UEFI only”.
Press function F10 key to save and exit BIOS setup.
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Section 2 – Discrete vs Hybrid Graphics
The Thinkpad P53 and P73 offer both Nvidia and Intel graphics. To run exclusively Nvidia graphics, use the discrete graphics mode highlighted below.
Boot into BIOS, tab over to the “Config” menu option, and select the “Display” option.
By default, the “Graphics Device” will likely be set to “Hybrid Graphics”. To run exclusively
Nvidia graphics, set the “Graphics Device” to “Discrete Graphics”.
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Section 3 – Installing Red Hat Enterprise Linux 8
Please refer to the following instructions and screenshots on how to install RHEL 8 on the Lenovo Thinkpad P53 and P73.
Insert the RHEL 8 installation media (either through USB or CD/DVD).
Power on the system and press the F12 function key whenever the following Lenovo
splash screen appears.
Select the Linux bootable installation media from the F12 boot menu list.
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Highlight Install Red Hat Enterprise Linux 8.x” from the GRUB boot menu and press ‘e’.
Add the following line, “psmouse.elantech_smbus=0, to the end of the boot kernel
parameter and press ‘CTRL + X’ to boot the modified kernel parameter.
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The Red Hat Enterprise Linux Welcome Screen should appear. Select the appropriate language and “Continue”.
Adjust the “Keyboard”, “Language Support”, and “Time & Date” accordingly by selecting each one.
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Select “SOFTWARE SELECTION” and choose the type of software to install.
Select the type of “Base Environment” as well as each “Add-Ons” to install. In this
example, “Workstation” was selected for the “Base Environment” and all “Add-Ons” were selected.
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