Intermittent HDMI Audio Output Fix

Write-Host "Intermittent HDMI Audio Output AMD 7xxx Series Fix - Written by gReY"
$main = Get-ChildItem "hklm:\system\currentcontrolset\control\video\" -erroraction silentlycontinue
if ($main -ne $null) {
    $finalFolder = $null
    foreach($id in $main) {
        $zerofolder = $id.OpenSubKey("0000")
        if ($zerofolder) {
            $desc = $zerofolder.GetValue("AdapterDesc")
            if ($desc -ne $null -and $desc -match "^AMD Radeon HD 7\d\d\d Series$")
            {
                $finalFolder = $id.OpenSubKey("0000",$true)
            }
        }
    }
    if ($finalFolder -ne $null) {
        $key = "PP_SclkDeepSleepDisable"
        $value = $finalFolder.GetValue($key)
        if ($value -ne 1) {
            $finalFolder.SetValue($key,1,[Microsoft.Win32.RegistryValueKind]::DWord)
            Write-Host "Key set. Please restart to complete the process."
        } else {
            Write-Host "Key already set. Abort."
        }
    } else {
        Write-Host "Adapter wasn't found. Abort."
    }
} else {
    Write-Host "Registry Folder wasn't found. Abort."
}
Write-Host "Press any key to continue..."
$x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")