Hi,
I have a HP Elitebook 8540w. I had initial problem with screen gibberish which I bypassed with nomodeset in grub, then installed NVIDIA proprietary drivers.
* My laptop is docked, second monitor is connected through docking station DVI port.
* After proprietary drivers are installed, resolution is fine, but ubuntu cannot detect my main laptop screen (screen is shown on my second monitor only)
* If I click "detect monitor" in display setup, nothing shows up.
* Fn + F4 (screen switch button) makes my second screen flicker a bit, then nothing.
While running with nomodeset and/or receovery boot, only first screen (laptop screen) was showing.
What more info is needed to troubleshoot this problem? I'd be happy to provide details.
Thank you,
Henrik.
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