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Featured blog article:

A_Gayathri
HP Administrator
‎10-03-2026 04:21 PM
Views : 49
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If you are attempting to install OpenBSD 7.7 on an HP EliteDesk 800 G6 SFF reported that the installation process stops during boot and hangs at:

"entry point at 0x1001000".

The issue occurs when booting from OpenBSD installation USB media and prevents the operating system installation from proceeding.
  • System hangs at"entry point at 0x1001000" during boot.
  • OpenBSD installer does not load.
  • The issue occurs with both miniroot77.img and install77.img.
  • Installation cannot proceed beyond the boot stage.

Troubleshooting Steps
 

1: Create New Installation Media

The user recreated the OpenBSD installation USB using both:

  • miniroot77.img
  • install77.img

The images were written using the dd utility and the sync process was allowed to complete successfully.

 

2: Disable Secure Boot

The following BIOS setting was modified:

  • Secure Boot = Disabled

3: Disable Fast Boot

The following BIOS setting was modified:

  • Fast Boot = Disabled

4: Configure UEFI Boot Mode

The reported BIOS configuration was:

  • UEFI Boot Mode Enabled
  • Legacy / CSM Support Disabled
  • USB device selected from the UEFI boot menu

5: Update BIOS Firmware

The user reported:

  • BIOS firmware updated to the latest HP version available for the system.

6: Test Multiple USB Drives

The user tested:

  • Multiple USB flash drives
  • Different brands and models

The same error occurred on all devices.

 

7: Test Different USB Ports

The user tested:

  • Front USB ports
  • Rear USB ports

The system continued to hang at the same location.

 

8: Attempt OpenBSD Boot Configuration Mode

The user attempted: boot -c

The system still stopped at:  entry point at 0x1001000
 

9: Test Alternate Display Connection

The user reported testing:

  • DisplayPort connection

No improvement was observed.

 

To determine whether display initialization contributed to the boot issue.
 

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