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No signal on UEFI using HDMI (A320M-HDV R4.0)

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magnumsferrari View Drop Down
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    Posted: 29 May 2022 at 4:13pm
I had the same issue. But the CMOS reset fixed it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Danyelaru Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2021 at 4:50pm
hello bro, you resolved? i have same problem...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amican Quote  Post ReplyReply Direct Link To This Post Posted: 09 Sep 2021 at 10:36pm
Still no updates from this forum. Hello anyone please help me
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amican Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2021 at 1:45am
Same here... im trying to find the answer why DVI D and HDMI cant detect on Asrock a320m-hdv r4.0. Only VGA port can use. Is there anyone can help us? please...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote frufru Quote  Post ReplyReply Direct Link To This Post Posted: 14 Sep 2020 at 5:23pm
Spent a few good hours trying to search the internet for any answers, I've seen some people that experienced the same problem, although on different motherboard models from ASRock. And the usual answers were to short/reset the CMOS and try again. That did not work in my case. So, I'm guessing it might really be designed that way.

For anyone coming across this thread and experiencing the same problem, they should try using a VGA or DVI monitor or use those ports if their has support for both, besides HDMI. I should also note that this if you want to access UEFI via onboard graphics (refer to the first post that I have an AMD Athlon 3000G). I doubt the same will happen for users that has a dedicated GPU on their builds.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote frufru Quote  Post ReplyReply Direct Link To This Post Posted: 14 Sep 2020 at 10:22am
Bumping this up. Anyone have an idea as to what's happening here?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote frufru Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2020 at 10:25pm
Hello,

I'm having a problem with a new PC build, my monitor says "no signal"   (getting no video) using HDMI when powering it on. It doesn't display BIOS/UEFI/POST screen, but does have display when Windows gets loaded.

Luckily, my monitor has VGA support and I had to order a VGA cable to set it up the first time, and had to keep it connected if I want to access the UEFI settings.

Why does this happen? Why is it not able to display anything on POST/UEFI when using HDMI? Am I missing something? Is this supposed to happen?

Here are my specs:
AMD Athlon 3000G w/ Stock Cooler
Kingston KVR RAM 2666Mhz 8GB Single Stick
ASRock A320M-HDV R4.0
5.4RPM SATA HDD
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