Samsung 226BW - Manual (Page 23)

Click the "Properties" button on the "Monitor" tab and select "Driver" tab.
Click "Update Driver." and select "Install from a list or." then click "Next" button.
Select "Don't search ,I will." then click "Next" and then click "Have disk".
Click the "Browse" button then choose A:(D:\Driver) and choose your monitor model in the model
list and click the "Next" button.