Here is the Acer AL1931 Windows XP monitor driver. This is the only driver available on the market as on the 32bit XP driver was released with the monitor. The Acer AL1931 was a good square monitor released in 2009 however there has not been any driver updates since then. You can download the driver below however there is no user manual for the monitor. Extract the file inside the zip file and ‘right-click’ on the file. Then click on install. The driver is very small and install quickly. There are other monitor drivers in the AL range of Acer products such as the Acer AL1923 as well as the AL1751 monitor from Acer.