HDMI (High-Definition Multimedia Interface) is a widely used interface for transmitting audio and video signals between devices and displays. Many PCs now include the ability to output audio/video directly to an HDMI port.

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ASUS VN248H-P Monitor green static/speckling over HDMI

The monitor gets a kind of green static while using HDMI cords. Some cords work better than others, but they all have this speckling of green on dark images. But when using VGA, it's fine. The ...
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2answers
23 views

4k monitor flickering at full resolution

I recently bought a 4k TV (LG 49UB820V) as a monitor for my PC. But I have many problems with my current configuration: The image is by far not sharp, which it should be on a 4k monitor Whenever the ...
2
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0answers
17 views

Is the Miracast protocol a practical equivalent of an HDMI signal?

Miracast has been described as "HDMI over WiFi"†, and as such I've recommended it to a couple of people asking about HTPC setups when unable to run wire. After giving it more thought, I'm wondering a ...
1
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0answers
13 views

Issue connecting new laptop to HDTV by HDMI

I recently upgraded from a Lenovo G570 to a Thinkpad T440. I had previously connected that G570 to my Olevia 232 S13 without any issue, and streamed movies and such from my laptop to watch them on the ...
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1answer
39 views

Is it possible to record DirecTV box or Xbox 360 through HDMI-IN on a PC? [on hold]

I was wondering this after I found out that my Alienware Alpha had this HDMI-IN port. (the only reason why I bought the Alpha was because it was on sale for $399) I did some research but could not ...
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16 views

HDMI resolution still stuck at 640x480 on a Samsung TV

I thought Ubuntu will be easy but not for novices like me. I installed Ubuntu 14.04 on a Lenovo X1 Carbon. I have tried all the examples provided on the Ubuntu site but cannot seem to get my HDMI2 to ...
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1answer
17 views

Stop screen changing when using HDMI Switch on PC?

I have a HDMI Switch which has both my Xbox and PC going into it. I also have another screen which is only my PC on DVI When I use my PC I use the dual screen setup and it works fine However when I ...
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1answer
75 views

4K (3840x2160) with GeForce GT 730M (Notebook Acer v3-571g) on HDMI port not working

I have a notebook Acer v3-571g with a GeForce GT 730M and try to get my new Samsung UHD Monitor 28" "U28D590D" to work in a 4K resolution via HDMI. The manual of the monitor says it supports 4k via ...
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0answers
12 views

Monitor blinking when I plug an audio jack

My Dell Latitude E7440 laptop is connected to a Dell U2312HM monitor like so: laptop -> HDMI cable -> HDMI-DVI adaptor -> monitor. Sometimes when I plug or unplug the audio jack from my ...
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0answers
16 views

Windows 8 HDMI Second screen not letting me set resolution to 1600x900 [duplicate]

I have a Hitachi TV which on HDMI input uses the resolution 1600x900. However, when I plug in my TV with HDMI, Windows automatically sets a resolution for me and only gives me 2 choices when trying to ...
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1answer
29 views

black border around screen ati radeon hd 4550 graphic card on hdmi on windows 7 32bit [duplicate]

I have bought a LG monitor 22 inch when I connect my PC buy HDMI cable to it there is a black border around the screen like this : my graphic card model is ATI hd 4550 .I have with her searched ...
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45 views

How to enable audio output via HDMI from HD 6850?

I have an HD 6850 connected to 32" LCD TV via HDMI. The video is ok, but there's no sound. AMD HDMI OUTPUT is set as default but doesn't do anything. When I right-click and click on Test Windows shows ...
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1answer
32 views

OSD not working on AOC q2770pqu monitor

I have a newish AOC q2770pqu monitor and it has been working ok until today. I usually use it with a DP connection, but this morning I want to use it with HDMI. I couldn't get into the menu system to ...
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7answers
4k views

Why is HDMI->DVI image sharper than VGA?

I have a Dell U2312HM monitor connected to a Dell Latitude E7440 laptop. When I connect them via laptop -> HDMI cable -> HDMI-DVI adaptor -> monitor (the monitor doesn't have a HDMI socket), ...
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0answers
11 views

How to get my graphics card to support a HDMI to VGA passive converter [duplicate]

hdmi male plugs into computer, analog cable from converter plugs into monitor. I have two GTX 860 M's
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0answers
27 views

Output to a Hanns-G monitor from my Alienware not working [duplicate]

I've had my Alienware laptop for a while now, and wanted to set it up with another monitor. I wasn't in the market for a new monitor, so I used an old one. A Hanns-g HK162. The issue that I am running ...
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1answer
33 views

How to switch audio from computer to TV (hdmi)?

At the moment my laptop is connected to the TV via hdmi. Both devices are active and can play sounds. Although I'm quite tech savvy, audio has never been my forte. My conundrum is this: While ...
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0answers
19 views

How to connect between microHDMI output to a DVI-I dual link input?

I have a laptop with a microHDMI port, a mircoHDMI-HDMI cable and a monitor which has a DVI-I dual link input port. I bought a female HDMI-male DVI-D dual link adaptor (just realised is it dual ...
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2answers
73 views

QHD through HDMI on Dell U2715H

I have an Acer TimelineX 4820TG laptop. I'd like to buy the Dell U2715H screen (sorry link in french). It is a 2560x1440 px display. But My laptop has only VGA and HDMI port, and the screen has ...
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0answers
21 views

How to read/Access HDMI Framebuffer in windows?

I am working on an idea where I have Hub and a TV connected by HDMI cable. The process starts with HUB receiving HDMI Input from a source. The HUB receives a video stream as input and I am capturing ...
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39 views

HDMI and graphic issues

I just recently bought a new ASUS F550J laptop. Here are my specifications: Intel Core i5-4200H 2.8GHz 8GB RAM 240GB SSD Nvidia GeForce GTX 850M 2 GB, GDDR3 1920x1080, FULL HD Windows 8.1 Now my ...
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1answer
39 views

Daisy chaining monitors with no DisplayPort on laptop

I purchased two U2414H monitors from Dell and am trying to connect them to my laptop (Inspiron 3421) but I don't have a DisplayPort on my laptop. The laptop has 2-USB 3.0, 1-HDMI, 1-USB 2.0 The ...
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92 views

HDMI sound output mysteriously no longer works in Mac OS X 10.10 (Yosemite)

Everything was working fine with HDMI sound working as it should in Mac OS X 10.10 (Yosemite). Then recently: I turned off the laptop. 24 hours later I turn on the laptop Connected it to the HDTV ...
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1answer
17 views

How can I view and change the hdmi refresh rate in windows 8.1

I have ordered the new Seiki U-Vision cable, which has a chip that upscales 1080p at 30hz to 4K. I will need to view and probably change the hdmi output in windows 8.1. I have searched "systems", but ...
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0answers
24 views

Connect to External Monitor - Acer S231HL - No Signal

I've been looking for an answer every and can't seem to find a solution. Backstory I recently bought a new laptop with an HDMI port which I want to take advantage of. I have an 23" external monitor ...
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0answers
26 views

Monitors flicker when hdmi connected TV turns on

I have my 3 main monitors and a large TV screen connected to my computer with HDMI. When I turn on the TV screen all my screens just flicker once and I lose the screens for a few seconds. The flicker ...
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24 views

Monitor goes black

I've connected a second monitor to my laptop and it was working well for a few months, but recently sometimes when I'm doing ordinary stuff it goes black for a few second and comes back to normal. I ...
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0answers
66 views

Forcing higher refresh rate on HDMI - bad for the system?

I have a laptop with Optimus technology: Intel HD Graphics 4600 and NVIDIA GeForce GTX 860M. I'm able to add custom resolutions with the Intel GPU control panel. I know that HDMI 1.4a officially only ...
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1answer
130 views

Convert hdmi to dvi to vga [duplicate]

I'm trying to hook up a projector that only has an VGA input to my laptop that has only an HDMI output. I would like to avoid spending extra money on a HDMI to VGA converter box, is it possible to do ...
2
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1answer
91 views

Cant select which HDMI/DisplayPort monitor to output sound to

I've been banging my head against this issue ever since I got a third monitor. I have searched all over and can't seem to find anyone having the same issue. Currently I resort to physically ...
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0answers
109 views

4k Monitors 30hz mouse lag

I have a computer that I need to run about 15 meters or 50 feet away from the monitors. Currently I have two DVI monitors that have resolution of about 2500x1600. I want to run two 4k monitors ...
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1answer
21 views

How to prevent sound switching from speaker to hdmi when monitor is reactivated?

After the screen saver kicks in, my monitor is being switched off. When I move the mouse, the monitor is being switched on and grabs the sound. I have to switch back to speaker manually. How do I ...
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0answers
20 views

How to have apps appear on both volume mixers?

I can connect a TV via HDMI. Sometimes both volume sliders appear when I click the volume icon. In that case all apps appear in both volume mixers (with one of them being muted) and I can control the ...
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2answers
64 views

unable to manually change hdmi resolution when using a tv as a monitor

Recently i hooked up an old tv for use in my home studio. It is a 32" JVC LCD screen...pretty old: http://www.cnet.com/products/jvc-lt-32g80su-32-lcd-tv/specs/ What I want to do is to connect this TV ...
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1answer
54 views

HDMI and power saving mode

As documented in this question, I recently bought a new Samsung monitor and connected it to my computer using a HDMI connection; this monitor just doesn't seem to support any power saving mode: it ...
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0answers
25 views

WiFi GamePad App from Android Device to Android Device

Does anybody know an app for Android Devices to use my phone as a gamepad for my tablet. I'm using my tablet as a "Smart TV" with a HDMI cable connected to my TV, and i wanna play games. P.S. The ...
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46 views

Windows 8.1 Gigabyte GTX 750 dual HDMI monitors only 1 plays sound

I am using Gigabyte GTX 750 which supports dual HDMI out. I have both HDMI cords going to my dual monitor setup (one cord per monitor). The monitors have built in speakers that sound decent so I want ...
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0answers
32 views

Asus Ranger 200 video card not showing HDMI or DVI output

I have an Asus Ranger 200 video card which doesn’t want to show any output. I try another card and it is working, my screen is a Samsung S24A300B, the problem is that the Ranger is not working both on ...
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1answer
135 views

External HDMI monitor, Dell Inspiron 15 (7537)

Since I bought it, my Dell Inspiron 15 (7537, with Nvidea GeForce GT750M graphics) was plugged into an old 1920x1200 24" monitor... until, recently, the (very-old) monitor spectacularly died - with a ...
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0answers
62 views

Windows 8.1 cannot detect HDMI audio on older display

My Windows 8.1 PC does not recognize my old HDMI monitor as an audio playback device. Everything was working fine with a newer monitor, but when I switched to the older monitor, I got no sound. I ...
1
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1answer
32 views

How to hook up a laptop to a Dish satellite? [closed]

I'm trying to watch movies from my laptop on an actual TV. The TV itself does not have an HDMI port, but the dish satellite (ViP722 DVR) does. Is it possible to do this through a dish satellite using ...
0
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1answer
57 views

Samsung monitor not going into power saving mode

I have recently bought a Samsung LT24D390 TV monitor, which I connected to my computer using a HDMI cable; the video card is a GeForce GTX 560 Ti, the O.S. is Windows 7 x64. The monitor works as ...
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1answer
30 views

Second monitor not working through Hdmi over Cat6 extender

Im trying to connect to my second monitor to my PC using a hdmi to Cat6 extender. The solution consists of a transmitter and receiver unit, which are connected together with a Cat6 cable. Each end is ...
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1answer
116 views

How to emulate EDID on HTPC so it can be run headless

as my title, i need some way to make my HTPC think there is a screen connected, because when i connect to it thrue VNC or Teamviewer the screen is all black when there is no screen connected. so my ...
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1answer
46 views

how to setup separate desktop session to laptop from TV

My wife and I need the laptop but we have only one. Actually I have an office laptop too which is crap but I can't let her browse on that. The laptop runs Windows 8.1/Ubuntu 14.10 dual boot. I also ...
0
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1answer
39 views

Is it possible to use HDMI for audio and VGA for video on one computer?

I have a professional Yamaha home theater system that I plug up to my windows 7 pc (via HDMI) for playing audio. My tv is broken and I can only use my monitor to display video. This monitor does not ...
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0answers
33 views

Tv and Computer connection HDMI

Using A DVI to HDMI adapter on my GPU connected with an HDMI cable to my HDMI slot on my LG TV UN32E5000. My TV loses connection when my PC sleeps or I push Ctrl + Alt + Delete. TV has latest ...
0
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1answer
115 views

Maximum available resolution is 1080x1920 when connecting UHD monitor using hdmi

I just purchased a 4k Samsung Monitor (Samsung u28d590ds), and the problem is that when I connect to my laptop through hdmi the maximum available resolution is 1080x1920. From what I understood is ...
0
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0answers
12 views

Monitors consistently powering on and off for roughly one hour after being turned on. What might be the culprit?

I connected 3 external monitors to a Surface Pro 2 (Windows 8) by placing the device in the Surface Docking Station, and connecting: One USB port to a single HDMI cable via an External Graphics Card ...
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49 views

Is it safe to use a dummy hdmi plug?

I want to connect a "dummy hdmi plug" to my graphics card to enable a extended screen and show the contents of the extended screen on my tablet (over vnc), can I damage my graphics card if I use one ...