$MesMembres = Get-ADGroupMember -identity "MonGroupe" | Where { $_.objectClass -eq "computer"}

foreach ($UneLigne in $MesMembres){
    $MonComputer = Get-ADComputer -Identity $UneLigne -Properties *
    if ($MonComputer.Enabled -eq $false){
        write-host $MonComputer.Name
    }
  
}