Satellite Pro A120 - screen flickers when you activate another monitor

I have a Satellite Pro A120, who has a problem with the computer screen to turn off image poor qulity (looks like interference) when you use the function key and activate a second monitor, but the image on the 2nd monitor is fine. I also discovered that the second monitor doesn't have to be physically connected to the main display having the problem, as soon as you activate the second screen the problem starts. However, as soon as you disable the second monitor, the computer screen looks perfect.

I updated the BIOS of these two and the graphics driver, but the problem still persists.
Any ideas?

Why don't you tell us what portable external that you use?

Have you tried to put the good resolution of monitor 1 (s notebook LCD) after the switch to the external display? I can imagine LCD becomes bad resolution and it must be changed.

Please play with all the display settings. I used my cell phone so many times with different external screens and I was always able to configure this works well in any mode offered.

Tags: Toshiba

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