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    • Cheerlux c6 projector don't working with HDMI
    Community Discussion 1220 views · 15 replies ·
    Tofloor
    poster avatar
    dadix
    deepin
    2016-02-18 02:47
    Author
    Edited by dadix at 2016-2-17 13:00

    I bought a chinese video projector: Cheerlux C6. I connected my hdmi to projector but the deepin don't find the other display to connect. Please add suport for video projectors.
    my laptop is a Samsung NP300v5z and it has an intel i5 2410m procesor and nvidia 520mx dedicated video card.
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    dance707
    deepin
    2016-02-18 03:31
    #1
    Did you connect cable in before turning on laptop ?
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    dadix
    deepin
    2016-02-18 11:39
    #2
    Yes, I did.
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    dance707
    deepin
    2016-02-18 12:20
    #3
    https://bbs.deepin.org/post/30736
    Yes, I did.

    I am not sure if your projector is officially supported. But electronically is basically a external monitor. A few weeks back I did run temporary display in my Deepin 15 through my HDMI connector and it worked okay. I don't remember if I used xrandr to configure or not. Are you using the default open-source video driver ?
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    dadix
    deepin
    2016-02-18 23:38
    #4
    Yes, nouveau drivers . In windows7 the projector works.
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    dance707
    deepin
    2016-02-19 03:56
    #5
    https://bbs.deepin.org/post/30736
    Yes, nouveau drivers . In windows7 the projector works.

    Okay good in your Deepin Terminal you can post the output of xrandr command to diagnose.
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    dadix
    deepin
    2016-02-21 03:18
    #6
    https://bbs.deepin.org/post/30736
    Okay good in your Deepin Terminal you can post the output of xrandr command to diagnose.
    1. Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
    2. LVDS1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
    3.    1366x768      60.07*+
    4.    1360x768      59.80    59.96  
    5.    1024x768      60.00  
    6.    800x600       60.32    56.25  
    7.    640x480       59.94  
    8. DP1 disconnected (normal left inverted right x axis y axis)
    9. HDMI1 disconnected (normal left inverted right x axis y axis)
    10. VGA1 disconnected (normal left inverted right x axis y axis)
    11. VIRTUAL1 disconnected (normal left inverted right x axis y axis)
    Copy the Code
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    dance707
    deepin
    2016-02-21 03:39
    #7
    https://bbs.deepin.org/post/30736

    I see that it does not recognize a connection with HDMI1 and your sure the device is plug in before you turn on laptop.

    I would type enter

    xrandr --listproviders
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    dadix
    deepin
    2016-02-21 05:19
    #8
    https://bbs.deepin.org/post/30736
    I see that it does not recognize a connection with HDMI1 and your sure the device is plug in befor ...
    1. Providers: number : 2
    2. Provider 0: id: 0x87 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 3 outputs: 5 associated providers: 0 name:Intel
    3. Provider 1: id: 0x5f cap: 0x5, Source Output, Source Offload crtcs: 0 outputs: 0 associated providers: 0 name:nouveau
    Copy the Code
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    dance707
    deepin
    2016-02-21 06:00
    #9
    https://bbs.deepin.org/post/30736

    Okay thank you for posting the outputs . I see there is 2 providers the intel and the nouveau.
    A hybrid type of graphics card. So my guess for now is one of the proprietary Nvidia drivers
    need to be installed in your driver manager.  Most users had good luck with Nvidia 340.96 and 352.63
    but many had trouble with 358.16 I will take a fresh look at your outputs latter.
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    dadix
    deepin
    2016-02-21 06:06
    #10
    https://bbs.deepin.org/post/30736
    Okay thank you for posting the outputs . I see there is 2 providers the intel and the nouveau.
    A  ...

    I tried with nvidia but no luck, is not working.
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    dance707
    deepin
    2016-02-21 06:09
    #11
    https://bbs.deepin.org/post/30736
    I tried with nvidia but no luck, is not working.

    which Nvidia driver did you try ?
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    dadix
    deepin
    2016-02-21 06:16
    #12
    Edited by dadix at 2016-2-20 16:17

    nvidia .352.63.  Maybe it is because I have Optimus technology on my laptop ...
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    dance707
    deepin
    2016-02-21 12:47
    #13
    https://bbs.deepin.org/post/30736
    nvidia .352.63.  Maybe it is because I have Optimus technology on my laptop ...

    The Optimus technology is well supported in windows but it is some what complicated to get working in Linux
    Basically need to match the right provider with the hdmi connection. there are several methods in Linux to try.
    Either through bios or nvidia or prime functionality of the nouveau or bumblebee
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    dance707
    deepin
    2016-02-22 01:48
    #14
    https://bbs.deepin.org/post/30736
    nvidia .352.63.  Maybe it is because I have Optimus technology on my laptop ...

    you might want to read this link that Descheep provided in another thread.

    http://www.pcworld.com/article/2 ... -linux-laptops.html
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    dadix
    deepin
    2016-02-22 04:40
    #15
    I used that metod some time ago is related with working nvidia, is not related with second monitor detection, but thank you for time
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