Proxmox Installation on Lenovo HR630X

I need assistance installing Proxmox on my Lenovo Thinksystem HR630X. The system reboots each time I attempt the installation via USB drive.

Requirements:
- Update BIOS/firmware as necessary
- Install Proxmox or guide through proper setup
- Ensure system stability post-installation

Ideal Skills:
- Experience with Proxmox and Lenovo servers
- Familiarity with BIOS/firmware updates
- Troubleshooting and installation expertise

Please provide a detailed bid including your approach and relevant experience.