code 43

  1. J

    [SOLVED] NVIDIA graphics card code 43 in win 10 vm

    Hello everyone, I have a Win 10 Pro VM running on Proxmox. I have passed an Nvidia Gforce GT 710 graphics card through to this VM. I have installed the "GeForce Security Update Driver" and the "GeForce Game Ready Driver" from the Nvidia download page. However, the graphics card always shows me...
  2. L

    Help with RTX3090 Passthrough (Code 43)

    Good morning everyone! I've been wrecking my brain for the last 2 days looking everywhere to get my RTX 3090 to passthrough without Code 43 error. Current Setup: Mobo: Crosshair VIII Dark Hero CPU: Ryzen 5900x No Integrated GPU (But I have a second RTX3090 and have tried using both)...
  3. M

    iGPU Passthrough NUC7i3BNH (Intel(R) HD Graphics 620, Code 43)

    Hello! I am trying to passthrough the single iGPU in this Intel NUC, but it always gives error code 43 in my Windows 8 VM. The config file is as the following: agent: 1 bios: ovmf boot: order=scsi0;ide2;net0 cores: 2 cpu: host efidisk0...
  4. L

    INTEL ALDER LAKE I5-12500 / UHD 770 passthrough - the dreaded code 43 error

    So, I am trying to passthrough the UHD 770 iGPU to Windows server 2019, however I am getting the code 43 error. I am already trying things for a few days now, but nothing seems to work, so I would like to ask if there are any obvious mistakes I made. Grub...
  5. X

    GPU passthrough code 43

    Hello all, i managed to passthrough 2 of 3 gpu on a Thinkstation D30, but can only use 2nd and 3rd, proxmox keep 1st in use and it gives error 43 when i try to use it. once i remove 1st gpu the error appear in 2nd gpu ... tried many config like adding textonly video=astdrmfb video=vesafb:eek:ff...
  6. A

    [SOLVED] GPU Passthrough Code 43

    Hello, I am new to Proxmox and have been trying to get GPU passthrough to work correctly (Using GTX 770) but to a dead end with Code 43. I am using latest proxmox 7. I have followed and also...
  7. P

    Confusing about KVM=off and CPU: hidden=1

    Sorry for my bad english lol 1. What do KVM=off and CPU: hidden=1 stand for? For KVM=off, I have found some information about it from, it says Then, for CPU: hidden=1, does it mean the CPU will be hidden from the VM? I cannot find too...
  8. R

    When enabling PCI-E display not working correctly.

    Hello, I'm trying to get GPU passthrough working for a while now... My problem is that when I check the "PCI-Express" checkmark the console shows "guest has not initialized the display (yet)" and when I don't check it everything works fine. When it is unchecked and Primary GPU is checked I get...
  9. B

    Windows 10 vm GPU pass-through? Proxmox 6.2-6

    I'm attempting to pass-through a Nvidia GTX660 to a windows 10 vm and can not seem to get it to work. I've tried a multitude of settings but the card never initializes in windows and get code 43 or blue screen of death. The blue screen of death results in vm no longer able to get past the "The...
  10. A

    Funky blinking underscore, NVIDIA passthrough, code 43... boot loader hangover?

    First of all this used to work fine. It took me a long time to configure the first time, but eventually I resolved all the roadblocks (GPU romfile and everything), and had this setup working fine for many weeks. (besides a few weird Proxmox host crashes with certain USB devices being passed...
  11. B

    Windows 7 VM GTX 1060 Code 43 error

    i run and make this step from windows-vm-gtx-1070-gpu-passthrough-proxmox-5 (i can't post with link) but my card have error code 43 this is my vm conf balloon: 0 bios: ovmf bootdisk: ide0 cores: 2 cpu: host,hidden=1 hostpci0: 01:00,x-vga=1,pcie=1,rombar=0 ide0: data:vm-100-disk-0,size=85G,ssd=1...
  12. P

    Code 43 GPU Passthrough with Nvidia: I've tried all guides and still can't get success.

    To summarize: 1. Trying to passthrough the GPU so that I can have a Linux host to manage the computer while the users only see Windows. 2. Hardware is the following: - AMD Athlon X4 845 CPU - ASRock FM2A88M PRO3+ Motherboard - 8GB of DDR3 Kingston RAM - 120GB SSD - Nvidia GT 710 GPU 3. Config...
  13. S

    pci passthrought, nvidia, win7: code 43

    I'm trying to use pci passthrought for an old nvidia GeForce 9300 GE GPU in a win7 VM. The GPU is detected in the guest os, driver is installed and updated but I still get a code 43 error. I haven't more detailed information and this peripheral is disabled in the VM The config is based on the...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!