Look at a signal HDMI OMNI

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• Loss of signal HDMI in Windows Media Center

  I have a Dell Studio Hybrid PCs only running Windows Vista Home Edition Premium attached to a Samsung LN52A750 LCD HDTV via HDMI. If I turn on the TV away from the PC input and back, I lose the video signal... but only when Windows Media Center is running in full screen.

  It works fine:

  1. Turn on the TV.
  2. Switch to PC input on the TV.
  3. Turn on the PC.
  4. Start Windows Media Center.
  5. Turn off the PC.
  6. Turns off the TV (or switch to a different input).

  This also works very well:

  1. Turn on the TV.
  2. Switch to PC input on the TV.
  3. Turn on the PC.
  4. Start Windows Media Center.
  5. Minimize Windows Media Center.
  6. Turn on the TV to a different entry, but leave the PC.
  7. Turn on your TV to the PC - you see always the computer.

  It does NOT work:

  1. Turn on the TV.
  2. Switch to PC input on the TV.
  3. Turn on the PC.
  4. Start Windows Media Center.
  5. Turn on the TV to a different entry, but leave the PC with Windows Media Center in full screen running .
  6. Try to turn on the TV to the PC - no picture or sound is on the screen and the PC must be restarted to return sound/video fully.

  I came across this problem recently (after the passage of a VGA/DVI to HDMI connection). First of all, I came across it when the PC would go to sleep - the video signal stops and the TV stop see the PC signal, even once the PC is awake. I have read a bit online and thought it was something people call a problem of 'EDID handshake. " I thought simply not let the computer sleep (and do not turn off the PC video) would fix it, but I ran into another issue. Kind of a twist.

  I was showing friends how Media Center worked, I spent in the PC, showed them Windows Media Center, spent in a different entry, then switched back to the PC (because I forgot to show you something). The blue background of Media Center appeared for a split second and the signal was instantly lost. I had to reload completely in order to recover the signal.

  I retried the experience - shot to the top of Media Center, active the TV away from the computer, then it passed right away - same result. Restart lost, hard signal.

  I don't know how I fell on it, but at some point, I had the experience with a twist. I pulled to the top of the computer, started Media Center and reduced. Then I moved the TV away from the PC and back... and the signal was always there. I did it again, and again, the signal was there. The TV turns off and on again - signal always there. Then I enlarged Media Center, changed television away from the PC, and when I came back... NO SIGNAL.

  So: with full-screen Media Center loses the signal, but when Media Center is reduced to a minimum the signal remains.

  I started thinking about how my recent use of the Media Center differed from the previous time. Normally, I use the Media Center, watch a movie or something and then go and do something else. I'm back from PC to something else and back. And every time that I had spent in the PC and he had kept the signal, the screen saver has been on - the screen saver 'bubbles '.

  Something that I noticed with the screensaver "Bubbles" is that it sometimes brings the Windows taskbar in the foreground so it 'up' to the Windows Media Center full screen appears. I usually turn the television on the PC input before "wake the computer" and to get the screensaver to go.

  Now I wonder if the lost signal has something to do with Windows Media Center. I have [I think] know a bit the functioning of Windows and the concept of execution of different 'offices '. I wrote a screensaver in C++ unmanaged long ago and I remember there was some crazy stuff that you have to do when you write an application "windowless" (as Media Center - there is no border around it when it goes full screen) and make the "caches", as the screen saver 'bubbles '. I wonder if he has something to do with the standard Windows Desktop works correctly but the Windows Media Center app full screen "desktop" does not properly.

  I tried another experience where I kept full screen WMC, leave the TV losing signal and press Win + D to minimize and show the desktop. Then I went to the TV in the back. No luck - once the signal has been lost, it was lost for good.

  I did since then research various responses. I read that defining the ACPI suspend mode S3 would fix it, but it doesn't. I tried implementing a keyboard shortcut attached to a script that could change the display resolution of 640 x 480 and then change back because I read changing the resolution to update the signal - which did not work.

  Basically, I got no alternative except to keep WMC reduced when it is not in use.

  I'll try to set the screen saver "Bubbles" to 1 minute or something and see if that will at least let me inputs turn on the TV after one minute of inactivity. Yet, it would be good to know if there is some setting I'm missing.

  Hello Travis and Jmelton98,

  Thank you for posting.  Your tests of Travis and additional post of Jmelton, it seems it will be probably something that only can be set by the video card drivers.  If you were to look at the known issues for some drivers, you would see similar questions types.  It is one of the reasons for the drivers for video cards are updated so often.  Sometimes there will be a problem so important that they will release a special patch to fix (like what happened during the crisis game is released).  There should be a new series of pilots soon become availible.

  Please try and see if the problem persists.  Thank you both for the replies that it will help others too. Zack
  Engineer Microsoft Support answers visit our Microsoft answers feedback Forum and let us know what you think.

• Number of no Signal HDMI KDL-46Z5100

  I have the Sony Bravia KDL-46Z5100 and all of a sudden, none of the HDMI inputs work; It seems to be a HDMI problem only when I switched to component cables to connect my cable box and the PS3 it works very well, but for some reason that all HDMI inputs will no longer accept a signal? I spent the HDMI cables, so this isn't a cable problem and I also reset the TV to its original settings, but still will not accept anything using the HDMI inputs.

  Does anyone have ideas on this?

  Thanks, Jim

  Thank you Erik.

  I'll give an of this and followed once I had the chance to pass by this. Thanks again for taking the time to look into this.

  Jim

• Toshiba L 40, 6353 - no signal HDMI using other input sources

  I have toshiba L 40, 6353 and strange problem with toshiba and my cable box.
  On my previous LCD, I had no such problem.

  If I turn off my TV or change to another source of entry for longer then 5-10 minutes and return to the HDMI from my cable box I get the message "no signal". I have to turn my stb or unplug hdmi and taken back to return to picture.

  The decoder is not a problem because on the other TV it works fine.
  I can always change the channel on that (display on the stb itself) but my toshiba led displays no signal.
  I have my PC connected to an hdmi port and do not have this problem

  So far I have tried:
  to connect my cable box to each of 4 ports HDMI and the same issue.
  to disable the power management feature everything related to extinguish. Even 'turn if no signal' for each port individually.

  any ideas?

  I have Toshiba 40 TV but the other model. I use STB too and two other HDMI ports for Blu - Ray player and my laptop.
  Everything works OK and I'm happy that I don't have this problem HDMI on my TV.

  It is unclear to me that there is something you can change in the settings. Have you tried to test the functionality of HDMI ports by using another high-quality HDMI cable or other external devices such as a DVD or Blu - Ray player?

  It will be interesting to know if problem occurs with the use of your decoder only.

• sony KDL tv switch off when no signal HDMI

  I have my KDL-60NX720 connected to a PC via HDMI. After about 20 minutes, the PC will enter standby mode, but the TV stays on. Is there a way to make the TV turns off after there is no signal on HDMI port?

  Concerning

  Davor

  There is a setting on the TV called auto stop where in the unit turn off when no input no signal is detected for 15 minutes. To access the Auto off setting please follow the steps below.

• Qosmio G30 - 163 stops sending the signal HDMI

  Hello world

  I really love the Qosmio and took their retirement my G30 to support Media Center functions in our living room. It has replaced my orginal media center that I custome built about two years ago, and never gave me any problems.

  I've also implemented the Qosmio gently and it works great except for one thing. When I switch my TV and turn on again it the TV loses the HDMI signal. It obviously sends a signal to the laptop as its judgment (in standby mode) that the Qosmio means then is to activate the LCD on the laptop automatically, which I don't want. I want to signal to stay on TV. It wasn't a problem with my previous media center, so I'm pretty dumfounded why the Qosmio starts running automatically.

  When I want to get the picture back, I have to open the Qosmio, open display properties select single display (my "other manufacturer" 37 inches) and it works again. It is a pain because I want my qosmio to be permanently anchor because it is by far the BEST salon HTPC ever.

  Can someone help please?

  Thank you
  Erich

  Hey Buddy,

  It seems difficult, maybe there is an option that the qosmio does not recognize the TV signals?
  Be careful in the properties, maybe you can find something.

  I will explore a little for it, I want a Qosmio also and I want the fully automated machine on a platter without the need to touch. (keyboard/mouse wireless and remote control)

  Welcome them

• One look at one signal rev

  I am currently trying to catch once a rev signal in the form of a square wave of 5 v, using an acquisition of data USB-6341. I have it configured as an analog voltage currently and am able to look at the level of voltage coming out. My first attempt was to take the output voltage and compared to a threshold and trigger an event from that, but I could never catch a value on the threshold. How can I trigger on a rising edge for this type of signal?

  Thanks for the details, which helps a lot.  I thought the camera was a configurable delay - more modern do machine vision cameras.

  So, essentially, you want to trigger the camera to capture a picture whenever the time by rev signal is considered only if another condition (such as data acquisition channel exceeds the threshold) is also true at this time?

  The inconsistency, you are referring is almost certainly caused by jitter of the synchronization of the acquisition software.  You will get a lot more deterministic performance using a periodic trigger of material for the camera, then throw the images you don't need.  The only real downside to this is that time CPU extra absorbent false images, which should be minimal.  If you want a pure solution of HW, perhaps use an external Boolean AND door to ensure the time by rev signal only go through if another signal (defined by the DAQ card whenever the other condition) is high.

• No signal HDMI when laptop start with closed lid (Y560)

  I use an ASUS VW246H Panel as my main screen with my laptop Y560. When I start it, I get the loading Windows 7 fine on the external monitor screen but when Windows actually starts the dies of HDMI signal. Is it possible that I can do the default external display without having to activate manually each time, or close the lid?

  I just solved my problem: with ATI Catalyst, I just had to open the lid of my laptop so that it recognized the laptop and external views. Then, I chose the option "Replace" on my external monitor, effectively making the value by default when it is plugged. Now, the laptop screen is always off when the external display is present.

• No signal HDMI when connected to the TV (Aspire V3 - 571)

  Hello

  I'm really trampled here and need help. I have an Aspire V3-571. Please see the summary below in the chips:

  1 used to operate correctly when it is connected to my TV (via a HDMI cable)

  2. one night, what laptop was connected to the TV, picture started to blink

  3. after 20 minutes, the HDMI signal is not detected for the laptop

  4. Update driver Intel HD Graphics 3000 (Date: 29/01/2014 Version: 9.17.10.3347)

  5 tried to use different HDMI cables

  6. press Fn + F5 does nothing

  My TV HDMI port works with other devices when connected to it. What I'm missing here? Is there a defect of material with my laptop?

  Any advice or help on this would be much appreciated. Thank you.

  Hello...

  All information provided I see that you have already updated driver, tried different cables and also checked the HDMI port on your TV. I suggest you check the laptop's hdmi port by plugging another device like external monitor.

  If you don't get any screen, it could be a problem with the laptop's hdmi port.

• Question I look at KODI cable HDMI MacBook Pro 13"

  Hello, I have a MacBook Pro 13 inch with the retina display; 2.9 GHz Intel Core i5 processor and an a 6100 Graphics Iris Intel running iOS EL Capitan 10.11.3.

  My MBPro has an HDMI port that I'm supposed to be able to connect to and watch on my TV. When I connect the HDMI to the TV, I met a few scenarios.

  My desk top appears on the TV (even if it is a modified version of my office, in what most of my icons are not displayed)

  I can hear the show on television but not to see the movie on the TV; KODO always plays on the MBPro.

  I can watch on my MBPro KODI but I would prefer to watch on the big screen.

  I tried:

  connection cable before I start,

  cable connection during execution of KODI

  go to System Preferences / display and AirPlay of selection and non-selection and mirrored and I really have no idea if anything else that I can solve this problem.

  Help, please.

  With the connected HDMI, available to the default view will be a desktop for your Mac and one for the TV.

  You can drag the window from application KODO to the TV screen to see her there. See System Preferences > monitors > Arrangement to see where the TV is set, probably to the right of the screen of the Mac. You can also drag TV to a favorite place there too.

  Alternatively, if you select mirror display in System Preferences > displays both screens will display the same content.

• Does Satellite C660-1 p 3 no signal HDMI on TV using a higher resolution

  I can not connect with my LED TV with hdmi high definition on laptop, only on 800x600pix.
  When I change on 1366x768pix there is a picture in black on the TV...
  I've updated the graphics drivers and BIOS, still nothing...

  Please help ;)

  Is - this TV supports this resolution of 1366 x 768?
  Maybe not
  I guess that the laptop supports the resolution high definition. Means that it supports the resolution of 1280 x 720 (720 p).
  I recommend you to choose the resolution 1280 x 720

• Wireless printer when ENVY, PC keeps looking for wireless signal. Help!

  After installation of the software of printer ENVY, it prints fine wireless. But, when I turn off the printer my computers appear to continue to pick up the wireless signal. Arrow and circle continue. A PC XP and Vista 2.

  Can someone help me please?  Having the dizziness of all this spinning. When I turn printer on it stops turning.

  Help!

  Hey, Hey,.

  Thank you very much!!! You'll never know how much time I spent on this issue and I do not either.

  I had to enter the printer software to access the scan mode, but works fine on my 2 computers and my husband.

  We're going on a trip tomorrow and I just started thinking about our trip turns all the time on computer.

  Thanks again, Vicki:

• U2717D HDMI signal not detected

  My U2717D is less than 1 week old. I plugged it with my early 2012 MacBook Pro 15 via display port using the cable supplied with the monitor. It works admirably or not the monitor input Source is set to manual or Auto select.

  Then I tried to connect my other laptops using HDMI. The cable is a HDMI cable that I connect laptops to my TV to existing work. Laptops are HP Pavilion X 2 13 (win 10 with all latest updates) and Asus S200E (Win 8.1). I also tried my MBP with a CDM-> HDMI adapter. All 3 laptops did not detect the monitor when the source is in Auto Select, monitor says HDMI no signal. All 3 laptops did not detect the monitor turned off the automatic selection and manually selected the HDMI input. DisplayPort cable has also been disconnected for the test, it made no difference. I also have a working device Google ChromeCast 2 that I plugged directly on the U2717D HDMI port. In all cases, the monitor reported no signal HDMI cable, or computers that are detectable by the monitor.

  Finally, I got the job of HP. I remember, I had to unplug all cables including the power of U2717D. Turn on U2717D, turn on the laptop, then plug an HDMI cable. A sigh of relief, I plugged the MBP to DP cable and it seems to work. The next day, I tried the Asus. Again, no signal on HDMI, no monitor detected. I unplugged DP, HDMI, pedaled power the monitor, select Manuel HDMI then connect the Asus and it finally worked.

  I have a Dell XPS13 arriving at which I intend to move the monitor between XPS 13 on HDMI and DisplayPort on the MBP (via USB to HDMI adapter type-C). However, it is unacceptable if I need power cycle and unplug the cables every time! Is a kind of 'feature' question or undocumented? Or is my defective U2717D HDMI port and I need to arrange for an Exchange?

  Before we get it exchanged, contact Dell Technical Support and ask them to send you our HDMI to HDMI Cable, part T516N. See if it fits best.

• U2412M connections PC - DVI and hdmi-TV signal?

  Hello!

  I connect the hdmi-TV signal to my Dell U2412M monitor. This monitor I've used with Desktop PC (DVI cable). I want to have both, PC and TV signal on the same monitor. Is this possible? How to do this? Display port? Cable HDMI to DisplayPort? What sound? (My graphics card has DVI and HDMI output). Here are the specs of the Dell U2412M:

  NOTE from the ADMIN: Broken link has been removed from this post by Dell >

  This is the situation:

  ----------Tv-signal (hdmi)-------------------->--------------------| DisplayPort?

  monitor

  Signal PC Desktop---> - DVI. DVI

  fenekus

  The monitor has no audio output capabilities. He can only power the Dell Soundbar attached. But the Dell Soundbar connects to peripheral output TV audio port to get a sound.

  In theory, you would connect the HDMI cable unit TV HDMI port to the DP U2412M DP in the output port. Turn on both devices, press the Menu button, choose the input Source, choose Display Port.

• My new ViewSonic LED displays 'signal' when it is plugged

  I recently bought a ViewSonic LED monitor from amazon (option to come back, would rather try to fix first) and it is supposed to be the second monitor. I have my operating system and went to plug the new viewsonic, I now have almost identical 2, the first is an older version, and he gets that "No Signal" then goes to the mode 'sleep'.

  I thought at first maybe its my cables, so I tried the DVI and VGA, it came with and none worked. Then I thought well okay maybe it's of monitor cables, so I disconnected work currently and only used the DVI giving me a display on the current screen. This solution does not work, and I did the same thing with the VGA to see if it would work on the old monitor, which it did, so I tried on the new monitor and without success.

  After that idea, I decided to look at the display settings and when it's plugged the computer recognizes a second screen, but when I select the '2' or second monitor in the settings it greys the option to select it as the main display. Any option to display, I chose it still shows nothing on the new monitor, nor the premiera she acts as if there is more space for work (the mouse let not the current monitor even if I apply the changes. I went to the display settings after I realized that wake up the monitor and look for a signal when I was in him in reconnecting with the DVI or VGA, but it's just never to find the signal.

  My last attempt to see what is going on on what was going on with the monitor has been plugging the same VGA cable that I have been using the monitor in my laptop... BOOM he got the signal, so I said OK well well it must be good. I used the same computer port that gives me a signal on the old monitor and connected to the screen with the same cable that I used with the laptop and nothing. No signal... I'm lost, the only thing I know that I have not tried yet is a HDMI which is my next step but I'm completely lost as to how 1 viewsonic can receive a signal and the new cannot but plug it into a computer laptop and we're ready to go.

  Please help, I'm willing to try all that, I'll send amazon rear t and try a new, but since it turn on with the laptop (not where I want to use it) I thought I could do something wrong.

  Thanks for the input, Niranjan, I appreciate the help and time.

  Just to let you know, I was about to try this, the arrival of my display to VGA Converter, shaped port, it was my last ditch to plug and play. Of course the screen broke on.

  Thanks again for the advice and taking time out of your day to help.

  Have a great weekend.