Graphic Cards :: Brand New Out Of The Box Computer - HDMI Port Not Working
Mar 5, 2016
Just unboxed my computer from CyberpowerPC, GTX 720 graphics card, installed/updated all drivers with drivereasy (paid for just now) and I am still having the issue with HDMI port not working. I have tried to plug into a monitor and a TV, neither are working, I have also tried to use multiple HDMI cables, still does not work. My monitor has an auto-switch source availability and turned on, when I plug my computer into the monitor with HDMI it continually cycles, finds no signal and goes into sleep mode. Then rinse/repeats until I either turn off the computer, monitor or just unplug the monitor from the computer. Currently I am using a DVI(computer) to HDMI (tv) and its working fine. So I know its the port on the computer. Do I need to contact CyberpowerPC to send the computer back to get this issue resolved?
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Mar 5, 2016
when i connect a dvi or hdmi from my gtx 780 to my acer H274HL Monitor all works fine but when i want to connect display port cable on my gtx 780 and the other side is hdmi that goes to my monitor than there is no signal at all.
i am running windows 10 64 bit enterprise and all drivers are up to date also windows updates are up to date.
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Aug 11, 2015
Every time I restart or boot up my PC with my monitors turned on first I always get a issue with the monitor connected to the HDMI port, it always says "Input not supported" and all I do is turn my monitor off then back on and the issue has been resolved...
GPU: GTX 650
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Dec 5, 2015
So I bought a new monitor, the MG279Q and tried plugging it in to my PC via displayport, the monitor comes with a DP->miniDP cable, (from GTX780 DP to monitors miniDP) and the monitor gives no signal. However the computer does recognize the monitor and for example gives the sound alarm for new device attached. I can also see the device describes as "Generic pnp monitor" and I can see it in the Windows's own control panel for monitor + the nvidia control panel (pics in the end). But it won't allow me to set the monitor to use..
I suspected that the cable might be broken so I tested it with my UX32LN (GeForce 840M) laptop which has a miniDP. I plugged it to the monitor (from laptops miniDP to monitors normal DP, the monitor has both DP and mDP) and wow, image straight away. So the cable should be fine I guess.. But this is somewhat of an different situation as I use different port in the monitor compared to my desktops GTX780. And I don't have other computers or gadgets that I could use to test the monitors miniDP port.
Next I plugged in the monitor via HDMI to my desktop and that worked just fine. It recognizes the monitor without problems. Using my old XL2411Z monitor with DVI + MG279Q with DP or the MG279Q with HDMI+DP at the same time I can see the MG279Q being connected twice but it only chooses the HDMI connection and doesn't let me change it to DP even though it shows the connection.
Here are some pics to explain it better:
Multiple panel settings window. It shows the MG279Q on the top (under GTX780 the one not clicked) but it won't let me click it to use. Sometimes it lets me tick it for a second but instantly ticks the box off. The monitor nro 2 is the MG279Q via HDMI.
Surround+PhysX window shows that I've connected the monitor via DP but it is greyed out. It also won't let me make a surround set with the Xl2411z + mg279q DP.
Changing resolution settings only displays the HDMI connected monitor.
So I tried uninstalling the Nvidia drivers + freshly installing them, did not work at all. Neither did uninstalling the generic pnp monitor so the computer would reinstall the displays drivers. I also freshly installed from Win7 Pro -> Win 10 Pro and no difference (was intended to do that later on anyway so I thought that I might check, my laptop is running Win10 and it's DP worked after all). I also went to BIOS and checked that iGPU is disabled + monitor setting is set to PCIE instead of auto, no use. I would also test the GTX780's DP on other desktop computer but I can't. Anyway I'm somewhat suspecting a software/hardware compatibility issue as the monitor is being recognized. Doubt the fact that the monitors miniDP or my graphics cards DP port is broken..
What should I do or try? I really want to run the monitor via DP so I can utilize the 144Hz refresh rate.
Tech specs:
PC: P8Z68-V PRO/GEN3 (bios v3202) + i7 2700K, GTX 780 DC2 (vbios 80.80.21.00.AS04), 4x4GB 1600Mhz DDR3, AX 760 PSU, Win10 Pro
Monitor(s): MG279Q + XL2411Z
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Nov 19, 2015
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Dec 29, 2015
It worked fine in windows 7 but now when I choose "duplicate display" from the side menu popup the tv goes blank as if Ive unplugged the hdmi. All 3 of the remaining display options work including the extend display and tv only setting so its not a cable issue. Laptop model is XPS 17 L702X. Now when I used to do it in win 7 sometimes it wouldnt autodetect it so I would have to right click desktop, open invidia up and click rigorous display detect or something like that and then laptop screen would blink and make the beep noise like when hdmi cable got connected. Now in the invida panel it just simply wont allow mirroring, nothing happens when I right click on the display box that would normally show 1 and a smaller box would say 2. I dont get it but Id really like that feature back If its something simple I could do.
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Nov 27, 2015
Most people I've seen usually have appalling (almost unreadable) quality when using an external monitor with an HDMI cable -- it's quite simple to fix really easily. Films / video are usually OK but if you are reading email or doing standard computer work then you want the monitor to give you decent results.
First ensure that the "Sharpness" setting on the monitor is set correctly -- oversharpening makes text etc look terrible.
secondly use something like "Auto size" so the picture size fits the screen properly rather than be slightly too large or small even if say 1920 X 1080 HD is selected.
thirdly use correct frequency for scanning -- in Europe should be 60 or 59HZ - use the "p" choice not the "I" one.
finally use sensibly the smart picture settings if you have one or use colour / tint / contrast / brightness settings properly.
Messing around with these controls really does turn an external monitor from in some cases having an almost unreadable screen to a pleasure to use --even on cheap 22 inch TV's.
Use the monitors own menu - don't do it from the PC display settings.
A typical laptop's video card will be perfectly ok on these types of monitors.
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Aug 9, 2015
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My system specs are listed below.
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Dec 19, 2015
So I read about setting display to Extend I've tried updating the graphics card, looks ok and Device Mgr sez it's working The external display, a TV, worked before on Win 7 just fine!
this is:
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HP Pavilion dv7 laptop
AMD Radeon HD 6300M Series video card
external display: large TV via HDMI
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Mar 5, 2016
I have temporarily connected a 22 inch LCD tv monitor( until i get a new one) to pc via HDMI lead but i cannot get resolution set right.The recommended native makes the taskbar disappear of screen and the desktop icons are barely visible on left side of screen.
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Is it because you need a proper pc monitor to have correct resolution ?
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After upgrading to windows 10, I cant get max resolution on my satellite p55-A5312. there is no option after 1366 x 768. I have installed the latest drivers from Toshiba site and also via windows update. but still cant get hd resolution.
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Jan 13, 2016
Since upgrading to Windows 10 I've experienced cxonstant screen flickering during gaming. I can only really describe it as a weird fluctuation of brightness, in horizontal lines, up and down my monitor. On Counter Strike it seems to have been somewhat solved through V-Sync but I'm trying to play other games and it is making them completely unplayable.
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I have also experimented with running my monitor at different hz but I only have the option to run at 60hz.
Relevant specs are as follows:
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Dec 5, 2015
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Dec 9, 2015
I am having trouble with my two video cards
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