How to Fix Static Screen on Catalina Installer

By Freirburro
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catalina

How to Fix Static Screen on Catalina Installer

Boot failures are caused by firmware settings, incorrect OpenCore configuration, or USB mapping problems.

Quick Fix Steps

  1. Boot verbose: Add -v keepsyms=1 debug=0x100.
  2. Check firmware: Disable Secure Boot, Fast Boot, CFG Lock; set SATA to AHCI.
  3. Validate OpenCore: Run ocvalidate or ProperTree clean snapshot.
  4. Recreate installer: Fresh USB drive, different port.

Verification

  • Verbose boot passes the previous stop.
  • Installer sees the target disk.

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Original Question: "Static Screen on Catalina Installer"

Static Screen on Catalina Installer

Hello guys, I have this weird static screen after the apple logo loading bar.

Does it have to be something to do with framebuffers? My specs are as follows:

Dell Optiplex 3040

Intel i5-6500T

RealtekRTL8111HSD

RealtekAudio 3234/255

opencore 0.6.3

bios version - 1.6.1

https://preview.redd.it/2jx0w61p2h361.jpg?width=3000&format=pjpg&auto=webp&s=79015829a056193c5dd5f0c1d0cdfab3e66f8c3c

Here is my EFI folder. I asked the discord channels, but they don't know anything about this or they don't have idea. :(

https://drive.google.com/drive/folders/1J5tGZW14FowlEWmeU-afspbap_QCCmKx?usp=sharing

submitted by /u/joken767
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