I have a great doubt. I recently purchased a HD 6570 2gb ddr3 XFX, as you can see in the image. As it turns out with my monitor Samsung SyncMaster 740n does not give video. Strangely with 2 other monitors that probe if video normally but with mine nothing. I can not see bios while turning on, nothing at all. The monitor does not leave without a signal, it does as if it were to grab it for a few seconds and then it does not grab once it gave video but with the distorted colors and the image totally jumped with respect to the monitor during the recovery recovery of Windows 10 from so much on and Turn off by testing. After that I do not take more. Note that the monitor is VGA only, the other monitors in which probe are widescreen, one Samsung and another AOC. Also VGA both. I have not tried with any type of HDMI or DVI-I to VGA converter to see if it succeeds in giving video, that's what I'm missing. I already tried several VGA cables as well. What do you think may happen? Does my monitor simply not support the card or have some kind of problem with the signal? Do you think that with an adapter serve? At the moment it is connected from the most normal to the integrated of the plate and previously had a GT 520 that worked totally and perfectly with it. I thank you in advance for your help.