External Monitor Stuck at 640x480 resolution

[micseydel]

I'm using 64-bit Linux Mint Nadia with Cinnamon. My laptop is a 2009 Macbook Pro 5,5 and the monitor is a Dynex Model DX-L19-10A. The monitor is connected via VGA. My graphics card is a GeForce 9400M/integrated/SSE2. I used Ubuntu in the past without any issues, but now the monitor is stuck at 640x480 resolution. Here is my xrandr output

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$ xrandr 
Screen 0: minimum 8 x 8, current 1920 x 800, maximum 8192 x 8192
LVDS-0 connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x 179mm
   1280x800       60.2*+
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected 640x480+1280+0 (normal left inverted right x axis y axis) 0mm x 0mm
   640x480        59.9*+

While trying to figure this out on my own, I looked over many posts, and none of them seemed relevant to what my problem is. I'd be happy to provide any more information that I haven't, but I'm not sure what the next step to solving this problem is.

[micseydel]

I just tried looking at the man page for xrandr (I feel silly that I didn't do it before), and tried the -s flag but it seems to have no impact

Code: Select all

$ xrandr 
Screen 0: minimum 8 x 8, current 1920 x 800, maximum 8192 x 8192
LVDS-0 connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x 179mm
   1280x800       60.2*+
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected 640x480+1280+0 (normal left inverted right x axis y axis) 0mm x 0mm
   640x480        59.9*+
$ xrandr --output DP-1 -s 1280x800
$

Also, using the normal GUI for displays, I'm able to rotate the screen, but it doesn't give me the option for other resolutions.

[micseydel]

Is there anything I can do to help others to help me?

[micseydel]

It looks like I'm going back to Ubuntu.