How to Fix Dell OptiPlex 9020 Mini Tower

How to Fix Dell OptiPlex 9020 Mini Tower

This mini-guide provides a structural approach to troubleshoot and fix the issue.

Prerequisites

• Confirm your hardware specifications (CPU, GPU, Motherboard).
• Ensure you have a bootable recovery USB and backup your EFI.

Fix Steps

1. Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
2. Ensure Metal acceleration is fully supported for your macOS version.
3. Update Lilu and WhateverGreen to the latest versions.

Verification

• Reboot and verify if the functionality is restored and stable under typical usage.

Original Question:

Hi

My desktop

Dell OptiPlex 9020 Mini Tower

i7 HD4600

————

Boot failure occurs

I need Clover or EFI and config

I'm use dp hdmi

Hard ssd

Ram 16gb

Author: eskino