For troubleshooting common issues with your Acer AL1714, please refer to the following link:
Background and Identification
The Acer AL1714 is a 17" LCD monitor that was released in 2006. This device features a 1280x1024 screen resolution with a 350:1 contrast ratio. Connectivity for this device is achieved through a single VGA port. No recall information regarding this device could be found.
Here are a few links to some additional information regarding your Acer AL1714: