Re: TightVNC Shows black screen after Win 10 updates

Recently I’ve bought this HDMI display emulator to allow me to remotely view the BIOS screen. It only costs $10 and is 4K capable (not that I need 4K to navigate the BIOS.

https://www.amazon.com/gp/product/B01EK05WTY/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

Regards,
Yury Averkiev
SmartCode VNC Manager (www.s-code.com)

> On May 29, 2018, at 21:46, Mark Foley <[email protected]> wrote:
> 
> The DVI emulator is probably a better idea than the KVM switch. It's designed to do exactly what you want.
> 
> Post your results. I'm curious.
> 
> Re. BIOS settings, I was thinking of the one to ignore any video errors, but there might not be such a setting and that still might not work.
> 
> --Mark
> 
> -----Original Message-----
> From: Ed Meadows Tom Perkins <[email protected]>
> To: Mark Foley <[email protected]>
> Subject: Re: TightVNC Shows black screen after Win 10 updates
> Date: Mon, 28 May 2018 14:02:47 +0000
> 
> Hi Mark,
> 
> Thanks.  I don't have a KVM switch handy and there are no BIOS settings for this.
> 
> Someone else suggested using an EDID emulator, so I'm going to try this:
> 
> https://www.amazon.com/1920x1200-DVI-D-Emulator-Dummy-Headless/dp/B01EISICO0/ref=sr_1_10/140-3476651-2228763?ie=UTF8&qid=1527515656&sr=8-10&keywords=DVI-D+emulator
> 
> There's probably a non-hardware solution/setting somewhere, but for $18, why not?
> 
> Thanks,
> 
> Ed
> 
> On 5/27/2018 7:30 PM, Mark Foley wrote:
> Maybe the new Win 10 update is "smart" enough to detect no monitor as shut down the video memory. The VNC server maps the actual video memory. I tried something like this on purpose to turn off the real monitor video (not the monitor itself) and still see the screen on the VNC client. No go.
> 
> Try attaching a KVM switch or seeing if there is a BIOS setting to ignore the monitor.
> 
> 
> 
> --Mark
> 
> Sent from my Verizon Wireless 4G LTE smartphone
> 
> 
> -------- Original message --------
> From: MossyRock <[email protected]><mailto:[email protected]>
> Date: 5/27/18 8:01 PM (GMT-05:00)
> To: [email protected]<mailto:[email protected]>
> Subject: TightVNC Shows black screen after Win 10 updates
> 
> Hello,
> 
> Suddenly, after applying the latest Windows 10 updates to a headless machine
> used for BOINC crunching, I am getting a black screen when I try to remote
> into it from another machine using TightVNC.
> 
> I've tried completely uninstalling and re-installing TightVNC server on it
> so it's at it's most current release.  I've also tried fiddling with a lot
> of its options and with the Win 10 desktop "personalizations" as well
> (including the resolution) and none of it has any effect.
> 
> Here's the strange thing - when I attach a real monitor to it, I can remote
> into it and I can see the desktop just fine. When I remove the real monitor,
> the remote session goes black.
> 
> I don't know what's changed and I don't know what else to do.
> 
> Any ideas?  If you need any specifics about my machine or TightVNC's
> settings, just let me know.
> 
> Thanks.
> 
> 
> 
> --
> Sent from: http://tightvnc.10971.n7.nabble.com/VNC-Tight-List-f3.html
> 
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> 
> --
> Det angår också dig när det brinner i grannens vägg. (gammalt svenskt ordspråk)
> It concerns you, too, when your neighbor's wall is on fire. (old Swedish proverb)
> Meaning: We're all in this together.
> 
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