How to Fix Stalled Install on Optiplex 990

By Mojave
0

How to Fix Stalled Install on Optiplex 990

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. Boot with -v keepsyms=1 debug=0x100 to identify the exact kernel panic.
  2. Validate your config.plist using ocvalidate.
  3. Ensure your EFI matches the Dortania guide specifications for your CPU generation.

Verification

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

Original Question:

Was able to
1) make USB with Mojave in Legacy mode
2) install on SSD - the BIOS is set to Legacy and SATA to ACHI,
3) set up Mojave
4) run MultiBeast.
5) remove USB and reboot! That's the problem area.

When rebooting I get error message, "no bootable drive".

When I re-insert the bootable Mojave install drive, the Clover Bootloader is recognized, and system works

I see "5102, booted from EFI" at bottom right of screen.


The Black bootup page with Clover on top gives me following
1)...

Read more

Author: rcohen04

Share:

Leave a Reply

Loading comments...