While reader.read is skipping HELP XD

Dim networkInterface = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces()
        Dim firstNetwork = networkInterface.FirstOrDefault(Function(x As System.Net.NetworkInformation.NetworkInterface) _
            x.OperationalStatus = System.Net.NetworkInformation.OperationalStatus.Up)
        Dim firstMacAddressOfWorkingNetworkAdapter = firstNetwork.GetPhysicalAddress()
        Dim connString As String = "Server=tserver;Database=database;Uid=usr;Pwd=ps;"
        Dim sqlQuery As String = "SELECT * FROM Computers WHERE MacAddress='" & firstMacAddressOfWorkingNetworkAdapter.ToString & "'"
        Dim command As MySqlCommand
        Dim mysqlconn = New MySqlConnection
        Dim reader As MySqlDataReader
        mysqlconn.ConnectionString = connString
        mysqlconn.Open()
        Try
            command = New MySqlCommand(sqlQuery, mysqlconn)
            reader = command.ExecuteReader
            While reader.Read
                If firstMacAddressOfWorkingNetworkAdapter.ToString = reader.GetString("MacAddress") Then
                    Consoletxt("Computer Found '" + reader.GetString("ComputerName") + "'")
                    Consoletxt("MAC Address OK  --  " + firstMacAddressOfWorkingNetworkAdapter.ToString)
                    Login.Domain.Text = reader.GetString("Domain")
                Else
                    Consoletxt("Could not find your computer in our database")
                    Consoletxt("Starting Setup")
                    Thread.Sleep(5000)
                    SetupBackground.Mode.Text = "domain"
                    MyBase.Update()
                    SetupBackground.Show()
                    Me.WindowState = FormWindowState.Minimized
                    Me.ShowInTaskbar = False
                    Check.Text = "setup"
                End If
            End While
        Catch ex As Exception
            
        End Try
        mysqlconn.Close()