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Samsung S23C350H and macbook pro 2009 - Full resolution not working

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pifoux2000

macrumors newbie
Original poster
Jul 20, 2014
3
0
Hi all,

I have just purchased the Samsung S23C350H monitor that has a resolution of 1920 x 1080px. I have connected it to my macbook pro mid-2009 through HDMI (I bought the Mini Display port to HDMI adaptor) but I can't use the monitor at its full resolution. When I select 1080px, the screen just turns on and off every second and is unusable (I cannot even access the menu on the screen). The highest resolution I can use is only 720px, which is useless.

Any idea how to fix this?

Many thanks in advance for the answers!
 
simsaladimbamba

simsaladimbamba

Guest
Nov 28, 2010
22,670
31
located
Mirroring is deselected?

System Preferences > Displays >> Arrangement >>> Mirror Displays (but know, that the display with the lowest resolution determines the maximum resolution used on both, thus one display will have a lower than native resolution, except when both displays have the same native resolution)
MR_mirrordisplays.png
 
P

pifoux2000

macrumors newbie
Original poster
Jul 20, 2014
3
0
yes, but when I deselect it, I cannot even choose the resolution and it keeps blinking (it looks like the monitor is turning on and off)
 
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