Hi, I have the same problem on W520. Tried both xorg-intel and nVidia
binary drivers, various BIOS settings (integrated / discrete / optimus),
but neither VGA nor DisplayPort connection is detected at all, tested on
three different monitors. Any idea how to solve this?
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Why this bug was flaged as won't fix?
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Title:
[Lenovo W520] External VGA and DisplayPort does not seem to work
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- vga set to discrete
- driver in use is nVidia
- monitor cable is connected to the laptop port.
- monitor cable is connected to the docking station port.
The monitor light is deemed, i.e. no signal from the laptop.
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I have the same problem - and can't find a solution. Any idea how to
fix/work around this?
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https://bugs.launchpad.net/bugs/773720
Title:
[Lenovo W520] External VGA and DisplayPort doe
I have the same problem and tried LiuCougar's fix. Unfortunately none
of the three BIOS options seems to help at all.
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Title:
[Lenovo W520] Exter
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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Title:
[Lenovo W520] External VGA and DisplayPort does not seem to work
To
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Title:
[Lenovo W520] External VGA and DisplayPort does not seem to work
To
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Marc Legris (maaarc)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: Marc Legris (maaarc) => Robert Hooker (sarvatt)
** Tags added: hwe-blocker
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I bet the problem is your BIOS setting: try to change it to optimus or
discrete, then your vga/displayport would work
(the integrated video card can only drive the laptop LCD itself, nothing
else)
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Installed the nVidia drivers, but the external monitor on
vga/displayport will not work
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Did you try with the binary drivers?
Remember that if it works fine with the nVidia drivers, it should pass
certifcation with a note.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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** Tags added: blocks-hwcert
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Title:
[Lenovo W520] External VGA and DisplayPort does not seem to work
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I should also note that the monitor status light does change when
connected to either DisplayPort or ext VGA, but no extra desktop appears
and the monitor does not show up when scanned using the monitor tool.
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