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After my laptop's screen broke down, I sent the laptop back to have the screen replaced. Unfortunately, it seems that they replaced it with a lower resolution screen.

I have the faint hope that the screen's resolution is actually higher that what Ubuntu is able to display (although it seems unlikely).

Is there a way to know for sure the physical (or "theoretical") resolution of the screen?

Edit: I tried xrandr as suggested in the comments, here is the output:

Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767
LVDS1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
   1366x768       60.0*+
   1360x768       59.8     60.0  
   1024x768       60.0  
   800x600        60.3     56.2  
   640x480        59.9  
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

Does this mean there's definitely no way the screen could be actually higher res than 1366 x 768? (I was expecting 1600*900)

Edit: Not sure why my question was downvoted. Anyway, since it seems there is no easy way to know for sure the native resolution of the screen, I fetched a screwdriver, took the screen apart to get its reference, and looked it up. It was a 1366x768 indeed, as I feared.

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    xrandr is the tool for that :) Here: askubuntu.com/questions/186288/…
    – Rinzwind
    May 14, 2014 at 18:17
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    It seems a 1366 x 768 screen --- it's the most common resolution for laptops now. Didn't you ask for a datasheet - guarantee document for the new screen? You should have the details there.
    – Rmano
    May 14, 2014 at 18:37
  • No, there is no details on the paper stuff they gave me. It should not be a 1366*768, I bought the laptop two and half years ago and the original screen was 1600*900
    – Seub
    May 14, 2014 at 19:07
  • Seems like you need to contact the manufacturer and complain about it being replaced with the wrong screen.
    – dobey
    May 14, 2014 at 19:33
  • Probably indeed. But my question is: is there a way to know for sure the native screen resolution?
    – Seub
    May 14, 2014 at 19:36

1 Answer 1

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Seems like you have solved your problem, I'll just give you tricky hint you can simply open a Terminal Ctrl+Alt+T and type: xwininfo and press Enter you should get a crossed pointer simply click on your desktop with it and it will display info in terminal window about your screen including its geometry for example -geometry 1920x1080+0+0. Also if you want more detailed info run xdpyinfo you'll get a lot of info you can retrieve different info with commands for example: xdpyinfo | grep screen or xdpyinfo | grep resolution or xdpyinfo | grep dimensions and so on... I hope that's plenty enough for you. Good luck.

P.S.

To add more resolutions try workouts in a comment link sent by Rinzwind

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