Acer AL1916W takes at least 10 minutes to show the display
I have a Dell laptop running Windows 7 Professional and I use an Acer AL1916W monitor with it because I like the larger display. For approximately the last year, when I turn on the laptop, the Acer logo flashes on and off on the monitor and the monitor makes an intermittent soft humming noise for at least 10 minutes until the display appears on the Acer monitor. I have another Acer monitor, and the same problem occurs with both monitors, so I assume that there is some problem with the computer communicating with the monitors. Sometimes (but not always) if I turn off the power to the monitor and turn it back on, the display will quickly appear. I have had the same computer and monitors for many years, and they used to work great together. How can I get the display to appear on the Acer monitor at the same time that it appears on the Laptop?