The Acer AL511 monitor was an older monitor in the AL series of monitors from Acer. The driver for the file has been added below for download. Download the file and open the file with a Winzip program such as 7zip then ‘right-click’ on the file inside the zip file. A menu will pop-up and you can then click on install. The driver will now install onto your computer. There are no manuals for these older monitors from Acer but search this website for more drivers from the Acer range of products.