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Prototype Low FPS Workaround

About This File

TLDR: This will simply disable the appropriate devices in device manager before launching the game then reenable them.


Stole the idea from Sylum on steam https://steamcommunity.com/sharedfiles/filedetails/?id=2868404662.


The difference being it tells steam to launch the game instead of pointing to the game exe which won't always work.


A shortcut is included that launches the script as admin for you as long as it is in the same folder as the script folder. Does not work as a steam shortcut unfortunately but you're welcome to try your luck.


now to go over the script.

The first part launches powershell in admin mode.


The lines with the # infront of them are related the processoraffinity issues that cause the game to crash when loading. They are disabled as the numbers needed are custom from computer to computer but you can always remove the # if you want to play around with them.

The pnp device related lines are for disabling then reenabling the devices in device manager letting the game start properly.


Here is the script in its entirety:

# Self-elevate the script if required

Set-PSDebug -Trace 1

if (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
    if ([int](Get-CimInstance -Class Win32_OperatingSystem | Select-Object -ExpandProperty BuildNumber) -ge 6000) {
        $Command = "-File `"" + $MyInvocation.MyCommand.Path + "`" " + $MyInvocation.UnboundArguments
        Start-Process -FilePath PowerShell.exe -Verb RunAs -ArgumentList $Command

$gamePath = start steam://rungameid/10150

$hidDevices = Get-PnpDevice -FriendlyName 'HID-compliant consumer control device' -status OK

Disable-PnpDevice -Confirm:$false -InstanceId $hidDevices.InstanceId

#$Process = Get-Process steam; $Process.ProcessorAffinity=15

Start-Sleep -s 3

$gamePath | Invoke-Expression

Start-Sleep -s 3

Enable-PnpDevice -Confirm:$false -InstanceId $hidDevices.InstanceId

# $Process = Get-Process steam; $Process.ProcessorAffinity=4095


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