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AFryia
Joined: 09 Mar 2006
Posts: 919
Location: S.E. Michigan VPH-G70Q
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 Link Posted: Sat Feb 14, 2015 5:20 pm Post subject: Onboard HDMI Issue |
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I have a HTPC with an ASUS P8H67-M Pro CSM mATX motherboard; i3 2100 CPU running the iGPU (Intel HD Graphics 2000).
Recently I've added a HDMI switch. The HTPC is the only device the switch does not see. Even with manual switching it does not see an input from the HTPC. I've tried two switches with no luck.
I've run both DVI and HDMI directly to the PJ (DVI by John H Wman) for years, no issues.
Other than adding a dedicated graphics card what else is there?
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ecrabb
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Joined: 13 Mar 2006
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TV/Projector: JVC RS40, Epson 5010
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| Link Posted: Sat Feb 14, 2015 6:58 pm Post subject: |
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Computers can be very flakey if they're booted or woken up without a display attached (which is technically the condition the video interface sees if a different source is selected on the HDMI switch), or even if the display is removed while they're running.
Have you tried cold-booting with your HDMI sink (display) powered on, and with the HDMI switch set to that input?
SC
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CIR Engineering
Joined: 25 Aug 2008
Posts: 3885
Location: Chicago USA & Berlin Germany
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| Link Posted: Sat Feb 14, 2015 7:25 pm Post subject: Re: Onboard HDMI Issue |
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| AFryia wrote: | I have a HTPC with an ASUS P8H67-M Pro CSM mATX motherboard; i3 2100 CPU running the iGPU (Intel HD Graphics 2000).
Recently I've added a HDMI switch. The HTPC is the only device the switch does not see. Even with manual switching it does not see an input from the HTPC. I've tried two switches with no luck.
I've run both DVI and HDMI directly to the PJ (DVI by John H Wman) for years, no issues.
Other than adding a dedicated graphics card what else is there? |
If you have access to something like a Quantum Data QD780 or other HDMI analyzer than you could see what if anything the PC is sending. My guess is that is not very helpful though because most people don't have such test equipment laying around.
What switches have you tried? You could try and HDCP stripper as well (look at the $25 striopper thread).
craigr
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CIR Engineering
Joined: 25 Aug 2008
Posts: 3885
Location: Chicago USA & Berlin Germany
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| Link Posted: Sat Feb 14, 2015 7:36 pm Post subject: |
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| ecrabb wrote: | Computers can be very flakey if they're booted or woken up without a display attached (which is technically the condition the video interface sees if a different source is selected on the HDMI switch), or even if the display is removed while they're running.
Have you tried cold-booting with your HDMI sink (display) powered on, and with the HDMI switch set to that input?
SC |
Ah, now that's good advice!
craigr
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JETI Specbos 1211 Spectroradiometer
Photo Research PR-650 Spectroradiometer
Klein K10-A Laboratory Grade Colorimeter
Murideo Fresco SIX-G HDMI 2.x Multimedia Generator
Murideo Fresco SIX-A HDMI 2.x Analyzer
*NEW Light Illusion LightSpace XPT Pro Version 10.x Color Calibration Software
ChromaPure3 Pro Color Calibration Software
Sencore CR7000 CRT Tube Analyzer / Rejuvenater
Audyssey MultEQ Pro Audio Calibration System
Authorized Dealer for Lumagen & just about everything else
www.CIR-Engineering.com - craigr@cir-engineering.com
Phone: 865-405-6892
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the big E
Joined: 20 Apr 2013
Posts: 1919
Location: speedwell Tn.
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| Link Posted: Mon Feb 16, 2015 7:13 am Post subject: |
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Ecrabb is right
I have booted machines before sometimes before turning on the display only to get no signal
Some video card software will auto detect some won't
It all depends on the driver software and the make and model of the video card
I have one machine where sometimes the audio will drop if the display is turned off for a period of time rebooting the machine would fix it
I checked for a newer driver and it has fixed the issue(went through the setup in media center to rule it out)
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AFryia
Joined: 09 Mar 2006
Posts: 919
Location: S.E. Michigan VPH-G70Q
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| Link Posted: Tue Feb 17, 2015 2:41 am Post subject: |
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I just gave up trying to get the onboard HDMI working. I wonder if the port was truly HDMI spec.
Plugged in an old ATI X600 card via DVI presto no problems.
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the big E
Joined: 20 Apr 2013
Posts: 1919
Location: speedwell Tn.
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| Link Posted: Tue Feb 17, 2015 5:38 am Post subject: |
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I would say the on board hdmi socket was bad(have seen this happen before)
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