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X870E Taichi Lite Ethernet Issue

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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Topic: X870E Taichi Lite Ethernet Issue
    Posted: 13 Oct 2026 at 4:28am
The question mark symbol got turned into a pounds symbol...

Replace the pound symbol in the link with a question mark and it will work.
Sorry about that, I have reported that forum glitch already but it hasn't been
resolved yet.

The forums here are a community forum that ASRock maintains and monitors. I am
a community moderator and do not speak for ASRock. All ASRock accounts here have
the user title "ASRock_Official".

The link and how to fix it:
tw.asrock.com/events/tsd.asp(question mark)kind=MB

That is such an annoying bug.
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Winterfresh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Winterfresh Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2026 at 4:17am
Hi mate , the link u provided s not working for me from some reason , as well what do you mean by Custom Bios £

Is there anyone from ASRock here I can adress this issue maybe for future investigation and potential longterm fix £

Cheers
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 2026 at 9:19pm
I see what you are saying. I take it you tried pulling power from the system, discharging
by holding the power button and removing the CMOS battery already£

Failing that, maybe try opening a support ticket with ASRock directly, they may
be able to sort you out with a custom BIOS fix:
https://tw.asrock.com/events/tsd.asp£kind=MB
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Winterfresh Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 2026 at 8:06pm
I was mate , the issue is my 1,8gbs broadband coming with broadband supplier branded router and extender , BT smarthub 7pro.

After reading in several sources the connection conflicts with this particular router is a common thing .
When tried external pcie intel network card everything works ok , but because 2 pcie slots on x870e sharing lines my 5090 gpu going down to x8 speeds.
Will try to update bios today , maybe newer version providing some kind of improvements for Realtek chip
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 06 Oct 2026 at 1:37pm
Hello Winterfresh. You should call your ISP and get them to check your line before
you look at anything else. I have had similar issues many times myself and every
time it turned out to be poor maintenance by my ISP.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Winterfresh Quote  Post ReplyReply Direct Link To This Post Posted: 06 Oct 2026 at 12:58pm
I got slightly different issue , with 2gbs broadband every day or two my Ethernet capping speed to aprox 600mbps.Thing still occurring even after disabling power saving features , installing different drivers directly from Realtek website , does engine had this kind of issues with x870e Taichi lite.The only thing I didn£™t tried yet is to upgrade bios , I£™m still on 4.20
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 2026 at 4:32am
That is great to hear. As for it being a sign of anything, I doubt it or the person
who shared the fix would likely have posted back here. It's more likely that
something in the LAN's firmware got corrupted, a power cycle (full disconnect from
mains and power switch pressed and held for a few seconds) would be the only way
to clear corrupted values in the LAN's ROM. It could be caused by something as simple
as a marginal/faulty cable sending bogus data or even a bit of debris/corrosion
on one of the connector's pins.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Basemath Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 2026 at 2:48am
Thanks Xaltar. This repository directly saved me money I needed. I'll give more context in case others go through similar sympotoms.

Problem started with Ethernet rapidly disconnecting then connecting for like a minute straight, then it's ok for the rest of the day. This happened daily for a couple of weeks until it suddenly decided to just remain disconnected with a "network cable unplugged" status like OP. No amount of troubleshooting worked. New cable didn't work.

Was about to buy a USB Ethernet dongle but a last Googling lead me to this thread. Full power disconnect restored functionality on first try. Hopefully this isn't a sign for a dying network adapter.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 31 May 2026 at 1:16am
Awesome, that is exactly what these forums are here for. Not only to ask for help
but also as a repository of advice and tips to be used. I have made the thread a
sticky post so it is easier for others to find.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Basemath Quote  Post ReplyReply Direct Link To This Post Posted: 31 May 2026 at 12:09am
@michalsti Brooo i'm just a guy who created an account to tell another guy I LOVE YOU. Thanks I wish you all the best!
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