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Graphics card hdmi output to monitor digital input seems to not be working

I'm not able to get hdmi output from my gigabyte 4870 graphics card gv-r487d5-1gd. I'm trying to get dual monitor displays and i've tried doing different things to get my monitor to display hdmi through a dvi-hdmi adapter. i dont know what else to try. im thinking the graphics card hdmi output may be faulty. the hdmi input on the graphics card is hooked up to an lcd monitor with 3 channels and im using the digital input channel when attempting to get a signal. It also has auto-detect and analog input. The other monitor is crt and is able to connect to the graphics card via dvi-vga adapter. i thought i saw the ati hdmi output enable in sound before. from intuition with trying to configure electrical equipment before something tells me if its not a driver issue than its just a faulty hdmi output because it doesnt seem like it can be configured any other way.

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  • joel_carroll May 28, 2009

    i thought it was the graphics card because i assumed the monitor worked fine since it's pretty new. now i don't think that there's anything wrong per se with the monitor but there's something i dont know. dell support wont tell me anything without charging for software support. all i know now is that the monitor can detect signals while there is another monitor working but it cant display when the other is working since the display turns off after turning the other monitor on in dual screen mode. it is a dell sp2008wpf. right now im saying sp2008 wtf or at least to dell.

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I am having a problem with my sound and i need sound driver for dell dimension 2350

Posted on May 24, 2009

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I have samsung SMB2030 LCD MONITER I wanted to know that it supports which tv tuner card


The output of the tuner card must match the input of your monitor. Assuming it's a fairly recent tuner card, it probably has HDMI output, so your TV must have an available HDMI input. Older tuner cards had VGA outputs which many monitors still utilize, although the display won't be nearly as distinct as with HDMI.

Nov 23, 2014 | Computers & Internet

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I have HDMI laptop and Dell 1706FPVT 17" VGA monitor. I have VGA to HDMI cable and I connected the cable between these two machines but it is not working. Solution, please.


First of, a little bit of explanation.
VGA = analogue
HDMI = digital

The answer seems to be in your question.
it reads "VGA to HDMI". These cables or adapters doesn't work the other way around. I am guessing your cable can only support vga output to HDMI input. And your setup is HDMI output from your computer to vga input to your monitor.
Solution:
Try and find HDMI to VGA cable or adapter. This is expensive.
If your computer has a vga output, use this with vga to vga. You won't get a better resolution by using HDMI to vga.
Or are you stuck with only HDMI output?
There are adapters for USB to VGA too. This could be less expensive. I have one for my friends Apple Air. I am not a "i" fan so I do not have much experience on Apple.

Hope this helps.

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Connect pc


To connect your PC or Laptop to your Harman Kardon AVR 2600 you need to connect the HDMI cable output of your graphics card to one of the 4 HDMI inputs on the AVR 2600 receiver. The HDMI connector on the AVR 2600 labeled "HDMI Monitor" is on output and cannot be used as in input.

You need to select the corresponding input from the front of the AVR 2600 or using the remote. Next you need to make sure your have the HDMI output port selected on hour graphics card. This will probably not apply to your PC, but may require some settings from the function keys on your Laptop.

Note that you will probably need to also connect audio from your PC to your receiver as well. I would recommend you use HDMI cable with ver1.4 specification so that you have the best chance of getting audio over the HDMI. If you only get video, then run separate Toslink (optical) or RCA cables to get the audio to the system from the PC.

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1 Answer

How to switch from analog to digital mode


Any contemporary monitor is able to switch analog/digital mode automatically if connection from signal source to monitor is set up properly.

Connect digital output from your graphic card to DVI input of the monitor. Disconnect any other signal cables from monitor and switch on both devices (PC & monitor). Wait a while. Monitor checks its inputs and a activates digital DVI, because it is only one active input on it.

If none picture excluding error message of monitor is displayed, go through these steps:
1) Check whether your monitor is set for automatic input selection. If monitor buttons have no response try to use analog input to activate screen (any picture, desktop background...) and then get monitor menu access by pressing menu button.

2) Find out what connector type has your graphics card in PC. Possibilities are: DVI, HDMI, DisplayPort and some their options. See Wikipedia for connector look if you are not sure.
Remember that blue D-SUB (VGA) connectors are analogue and you cannot activate digital mode through analog VGA cable.

3) Use appropriate cable to connect monitor to PC.
Example: Your PC has HDMI output. Use HDMi-to-DVI cable. Your monitor input is DVI and common DVI-DVI cable is not suitable in case you have PC with the HDMI.
Note that DVI-to-DVI, DisplayPort-to-DVI etc. cables are available. You must buy right one.

Be aware that "Auto" button is inactive in digital mode of monitor.

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I would like to hook up my old monitor, product LT782s, model 700P, to my new monitor so I can have duel monitors. The cord has 2 screws to attach. The new monitor does not have any place for a "scr


You need to connect both monitors to a computer. Monitors do not daisy-chain (in general). The exception are some SCART-enabled monitors.

What is your source (desktop)? What is the make/model of your new monitor? Please add a comment with the video outputs/inputs for your source and second monitor.

Many newer desktops have two or three outputs. (Some video cards have display port outputs which with active adapters can support 2 monitors each.)

If your computer has two or more outputs and your new monitor has an input compatible with the extra output, get the appropriate DVI, DVI-HDMI or HDMI cable for your new monitor. See the next section if both monitors have VGA input.

If you have a desktop with only one video output, you may be able add a video card to support two monitors. (Depending on your computer, you may need to upgrade the power supply to support a video card.) Then get the appropriate adapter or cables to add the second monitor. (Note: if both of your monitors have only VGA inputs, check the specs for video cards carefully. Not all modern cards support analog outputs on their DVI, HDMI or Display Port connections. These digital outputs would require a digital to analog converter to give the VGA out.) However, if one of your monitors will accept DVI digital signals and the other VGA, add a card with one of each of these connections and a DVI cable to match. (This is an if needed extra; many monitors still ship with only a VGA cable.)

Then turn off your computer, open it and add the video card. Install the drivers with only one monitor attached. Then power down the computer and connect the second monitor. Turn on both monitors before turning on the computer again. Most of the time, the second monitor should be recognized (by Windows) and the appropriate refresh rate and resolution chosen. If not, you may need to enter the Display settings to set the monitor up.

I have seen some computers/video cards where only one output is initially enabled. You may have to go into the device settings to enable it. (Laptops often need their external video ports enabled in the BIOS.) Bad video ports/cards/cables do happen so RMA if needed.

The USB video adapter, http://www.newegg.com/Product/Product.aspx?Item=N82E16812225007 , can be added to a desktop to give a second VGA output but it isn't the best solution. USB bandwidth limits are significantly lower than those for a PCIe x16 slot or an old AGP slot.

I hope this helps. Please add more information about your system if you want more assistance with this problem.

Cindy Wells
(who has done dual monitors with older and newer computers. My old Pentium 4 with a Radeon x1350 video card was fine for driving a VGA monitor and an HDMI monitor (using a DVI to HDMI cable). My second generation i5 and P8Z68 motherboard system is also fine using the on-CPU video graphics for those same monitors. A video card would improve gaming but isn't required.)

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1 Answer

Can you use the "Digital


Yes, you can use both, but not on the same tv at the same time.
To get the same image both on the monitor and the tv you must use a tv that can use the same resolution as the monitor , then, from the Catalyst Control Center, you enable Clone

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HIS HD4870 512MB, hdmi adapter sparked when cable was pulled out now there is no picture on the monitor ( card LED's flash and fan spins on booting but no picture on the monitor ).


Hello,

I hate to be the bearer of bad news but that spark may have damaged your card. It takes very little voltage to damage out video cards and most times static sparks can spike pass 400 volts! I would try to replace the card with a new one and ground yourself before plugging in the hdmi.

Good Luck
C2Solutions

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