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updated 'deploy-gpu-node-pool.md' with instructions for using Headless OS #3171

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updated 'deploy-gpu-node-pool.md' with instructions for using Headless OS #3171

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updated 'deploy-gpu-node-pool.md' with instuctions for using Headless OS
mgodfre3 Jun 11, 2024
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Update deploy-gpu-node-pool.md
sethmanheim Jun 11, 2024
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Update deploy-gpu-node-pool.md
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Update deploy-gpu-node-pool.md
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Update AKS-Hybrid/deploy-gpu-node-pool.md
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corrected lines 113-118
mgodfre3 Jun 21, 2024
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18 changes: 14 additions & 4 deletions AKS-Hybrid/deploy-gpu-node-pool.md
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Expand Up @@ -71,7 +71,7 @@ PNPUTIL /enum-drivers
Open an elevated PowerShell prompt and run the following command:

```powershell
Get-PnpDevice | select status, class, friendlyname, instanceid | findstr /i /c:"3d video"
Get-PnpDevice | Where-Object FriendlyName -Like '3D Video*' | Select-Object Status, FriendlyName, InstanceId
```

You should see the installed drivers in the **PNPUTIL** output. If the **Provider Name** is listed as **NVIDIA Corporation**, that is the driver you need to target for uninstalling. Make a note of the **Published Name**, as you must use that in the next command:
Expand Down Expand Up @@ -104,11 +104,21 @@ Error 3D Video Controller PCI\VEN_10DE&DEV_1EB8&SUBSYS_1

When you uninstall the host driver, the physical GPU goes into an error state. You must dismount all the GPU devices from the host.

For each GPU (3D Video Controller) device, run the following commands in PowerShell. Copy the instance ID; for example, `PCI\VEN_10DE&DEV_1EB8&SUBSYS_12A210DE&REV_A1\4&32EEF88F&0&0000` from the previous command output:
For each GPU (3D Video Controller) device, run the following commands in PowerShell. This command will create a variable named "ID1" and "lp1" and populate the instance ID of the first GPU; for example, `PCI\VEN_10DE&DEV_1EB8&SUBSYS_12A210DE&REV_A1\4&32EEF88F&0&0000` from the previous command output.
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Suggested change
For each GPU (3D Video Controller) device, run the following commands in PowerShell. This command will create a variable named "ID1" and "lp1" and populate the instance ID of the first GPU; for example, `PCI\VEN_10DE&DEV_1EB8&SUBSYS_12A210DE&REV_A1\4&32EEF88F&0&0000` from the previous command output.
For each GPU (3D Video Controller) device, run the following commands in PowerShell. This command creates variables named `ID1` and `lp1` and populates the instance ID of the first GPU; for example, `PCI\VEN_10DE&DEV_1EB8&SUBSYS_12A210DE&REV_A1\4&32EEF88F&0&0000` from the previous command output.


```powershell
$gpu=Get-PnpDevice -FriendlyName "3D Video Controller"
$id1 =$gpu[0].InstanceId
$id0 =$gpu[0].InstanceId
$lp0 = (Get-PnpDeviceProperty -KeyName DEVPKEY_Device_LocationPaths -InstanceId $id1).Data[0]
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You renamed the variables to $id0 and $lp0 here, but subsequence lines (112-114) are still using $id1 and $lp1.

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i see the issue, quick fix.

Disable-PnpDevice -InstanceId $id1 -Confirm:$false
Dismount-VMHostAssignableDevice -LocationPath $lp1 -Force
```

IF you have more then one GPU, please use the additonal command:
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```powershell
$gpu=Get-PnpDevice -FriendlyName "3D Video Controller"
$id1 =$gpu[1].InstanceId
$lp1 = (Get-PnpDeviceProperty -KeyName DEVPKEY_Device_LocationPaths -InstanceId $id1).Data[0]
Disable-PnpDevice -InstanceId $id1 -Confirm:$false
Dismount-VMHostAssignableDevice -LocationPath $lp1 -Force
Expand All @@ -117,7 +127,7 @@ Dismount-VMHostAssignableDevice -LocationPath $lp1 -Force
To confirm that the GPUs were correctly dismounted from the host, run the following command. You should put GPUs in an `Unknown` state:

```powershell
Get-PnpDevice | select status, class, friendlyname, instanceid | findstr /i /c:"3d video"
Get-PnpDevice | Where-Object FriendlyName -Like '3D Video*' | Select-Object Status, FriendlyName, InstanceId
```

```output
Expand Down