Second Monitor doesnt work
Hi! Problem is as it shows in the title. My PC recognizes the monitor perfectly, as it shows in every config. panel as "Monitor 1". However, the screen is black and nothing can be seen. I had the exact same two monitors working on my previous PC some days ago, so the monitor itself shouldnt be the problem. The only things that changed since then are: - I bought a DVI-I to HDMI adapter (my new PC doesnt have DVI-I entrance so I couldnt plug it in) - Got a new PC (not sure if it matters, but graphic cards is Geforce GTX 1080 Ti) I really cant figure out why this is happening, so thanks in advance to everyone that tries to help <3
Hi!

Problem is as it shows in the title. My PC recognizes the monitor perfectly, as it shows in every config. panel as "Monitor 1". However, the screen is black and nothing can be seen.

I had the exact same two monitors working on my previous PC some days ago, so the monitor itself shouldnt be the problem. The only things that changed since then are:

- I bought a DVI-I to HDMI adapter (my new PC doesnt have DVI-I entrance so I couldnt plug it in)
- Got a new PC (not sure if it matters, but graphic cards is Geforce GTX 1080 Ti)

I really cant figure out why this is happening, so thanks in advance to everyone that tries to help <3

#1
Posted 12/07/2017 07:18 PM   
[quote]- I bought a DVI-I to HDMI adapter (my new PC doesnt have DVI-I entrance so I couldnt plug it in) - Got a new PC (not sure if it matters, but graphic cards is Geforce GTX 1080 Ti)[/quote] There's your issue... You cannot "adapt" a digital signal to an analog device; this requires signal "conversion". The more modern 1000-series no longer support analog outputs (DVI-"I"). What you would require to do this called an "Active (ie: powered) HDMI to DVI-I/DVI-A [u]converter[/u]". Of course we would have to know the make and model# of the monitor in order to list specific examples... ;) For quick reference: [b]Digital=[/b] -DVI-D -HDMI -Display port *The above [u]digital[/u] connections can be "adapted" since they speak the same language. +++[i]Going from one of the (above) digital connections to one of the (below) analog connections (or visa-versa) requires [u]conversion[/u].[/i]+++ [b]Analog=[/b] -DVI-A -DVI-I (also referred to as "standard DVI") -VGA -S-Video -SCART *The above [u]Analog[/u] connections can be "adapted" since they speak the same language. [img]https://i1.wp.com/www.holtav.com/wp-content/uploads/2017/06/VideoConnectors.png?fit=740%2C550[/img] I do have to mention... There is significant signal loss when converting from a digital to analog signal which could lead from anything between a "grainy" picture, to color degradation, to blurred text. For this reason these converters range in price between $20-$300 USD depending on the quality of the conversion (type of chip installed). So it may be more cost effective to simply purchase a more modern monitor; depending on the work being done. "Active Converters" have a very small microchip installed which handles the conversion. Because of this these converters have a limited bandwidth range (ie: resolution & refresh rate support).
- I bought a DVI-I to HDMI adapter (my new PC doesnt have DVI-I entrance so I couldnt plug it in)
- Got a new PC (not sure if it matters, but graphic cards is Geforce GTX 1080 Ti)
There's your issue...

You cannot "adapt" a digital signal to an analog device; this requires signal "conversion".
The more modern 1000-series no longer support analog outputs (DVI-"I").
What you would require to do this called an "Active (ie: powered) HDMI to DVI-I/DVI-A converter".

Of course we would have to know the make and model# of the monitor in order to list specific examples... ;)


For quick reference:

Digital=
-DVI-D
-HDMI
-Display port
*The above digital connections can be "adapted" since they speak the same language.

+++Going from one of the (above) digital connections to one of the (below) analog connections (or visa-versa) requires conversion.+++

Analog=
-DVI-A
-DVI-I (also referred to as "standard DVI")
-VGA
-S-Video
-SCART
*The above Analog connections can be "adapted" since they speak the same language.

Image




I do have to mention...

There is significant signal loss when converting from a digital to analog signal which could lead from anything between a "grainy" picture, to color degradation, to blurred text. For this reason these converters range in price between $20-$300 USD depending on the quality of the conversion (type of chip installed). So it may be more cost effective to simply purchase a more modern monitor; depending on the work being done.

"Active Converters" have a very small microchip installed which handles the conversion. Because of this these converters have a limited bandwidth range (ie: resolution & refresh rate support).

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#2
Posted 12/07/2017 10:30 PM   
Wow, thanks so much for the clear and detailed response! I really get it now. So, if im not mistaken, if I use this there'd be no problem? https://www.amazon.es/CableDeconn-Displayport-hembra-adaptador-Convertidor/dp/B00R7UK4S4/ref=sr_1_18_sspa/261-8422974-9223215?ie=UTF8&qid=1512739443&sr=8-18-spons&keywords=hdmi+to+dvi+converter&psc=1 EDIT: forgot to mention my second monitor's cable is VGA to DVI-I (monitor only has VGA entrance). Not sure if this matters.
Wow, thanks so much for the clear and detailed response! I really get it now.
So, if im not mistaken, if I use this there'd be no problem?
https://www.amazon.es/CableDeconn-Displayport-hembra-adaptador-Convertidor/dp/B00R7UK4S4/ref=sr_1_18_sspa/261-8422974-9223215?ie=UTF8&qid=1512739443&sr=8-18-spons&keywords=hdmi+to+dvi+converter&psc=1

EDIT: forgot to mention my second monitor's cable is VGA to DVI-I (monitor only has VGA entrance). Not sure if this matters.

#3
Posted 12/08/2017 01:30 PM   
Yes; that should function just fine. With this unit the converter receives its power from the Display port (700mW) and outputs a signal up to 1080p/60hz. [quote]EDIT: forgot to mention my second monitor's cable is VGA to DVI-I (monitor only has VGA entrance). Not sure if this matters.[/quote] Same principal... All that tells us is that the monitor is indeed "analog" and requires signal conversion from more modern graphics cards/ports.
Yes; that should function just fine. With this unit the converter receives its power from the Display port (700mW) and outputs a signal up to 1080p/60hz.

EDIT: forgot to mention my second monitor's cable is VGA to DVI-I (monitor only has VGA entrance). Not sure if this matters.
Same principal...
All that tells us is that the monitor is indeed "analog" and requires signal conversion from more modern graphics cards/ports.

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Help fight Cancer, Diabetes, Neuro-degenerative, and other disease's while you sleep!
MS-Physics (Thermal Dynamics)/BA-IT/BS-Electronic Engineering
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My main rig:
100% Hard-line Custom liquid Cooled
OS- Win8.1 x64
CPU- i7-4790k @ 4.8Ghz 1.289v (Turbo OFF) Liquid Cooled
RAM-16GB TEAM Xtreme DDR3 @ 2400Mhz (9-12-11-30)1.625v
Motherboard- Gigabyte Z97X Gamer GT (vF6)
Main Graphics- 2-way SLI EVGA GTX1070 (v385.41)
OS SSD: 3x 240Gb Kingston HyperX 3K RAID 0 = 720Gb
Game SSDs- 3x 240Gb Mushkin Reactors (D,E,F drives)
Backup HDD- 3Tb Seagate Cuda (ST3000DM001)
Power Supply- Corsair RM-1000i
3x Surround Samsung 27" via DP (7680 x 1440p)

Radio Server/ Scientific Simulator
CPU1- Xeon X5650 6C/12T @ 3.2Ghz (locked)
CPU2- Xeon X5650 6C/12T @ 3.2Ghz (locked)
Motherboard- Asus Z8PE-D12X
RAM- G-Skill RipJaws 24Gb (6x4Gb) DDR3 @ 1600Mhz Cas8 1.5v
Graphics- GTX780 + GTX560 (v347.88)
HDDs- WD RED 3TB (3x3TB) Raid 0= 9TB +1 3Tb back up
PSU- Corsair CX750M
Monitor- 768p Dell P.O.S via DVI-I

STILL working Nvidia GPUs-
FX5200,FX5700,6800GT,7900GT(x2),8800GTS(x2),9800GTX,
GTX275(x2),GTX285(x2),GTX295(x2),GTX470(x3),GTX480,
GTX660ti(x3),GTX770(x3),GTX780,GTX1050ti,GTX1070(x2)

HWbot Overclocking results

OVERCLOCKING LEAGUE RANKING
Worldwide: #1771 out of 51912
Extreme League: #1255 out of 2826
National: #213 of 20048 in United States
Team: #70 of 3166 in Overclock.net

#4
Posted 12/08/2017 07:43 PM   
Thanks, man! I'll buy that right away
Thanks, man!
I'll buy that right away

#5
Posted 12/10/2017 05:30 PM   
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