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Why is my ethernet cable cutting out sometimes?

Why is my ethernet cable cutting out sometimes?

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D
DengeliOda
Member
228
10-05-2026, 03:07 PM
#1
Basically my internet stops working right when I play D4 or Destiny2, but it works fine when I look at YouTube or check Google. Sometimes the router reconnects itself after the problem starts, but that still doesn't fix things because these games need to stay online all the time. My motherboard is an Aorus Elite B550, and it comes with a Realtek gaming card controller. After lots of searching, I bought a TP-Link adapter just like my old one. The new one has the exact same problem. In the Event Viewer, I see lots of warnings and errors (link provided).

Here are all the steps I tried:
- Reset my router.
- Used Windows tools to fix things up.
- Cleaned Windows, BIOS, and the chipset completely.
- Tried both old and new Realtek drivers for each network card.
- Fiddled with power-saving settings on both cards by turning them off a lot.
- Created a firewall exception for IPv6, but that didn't work; I even tried disabling it fully without success.
- Changed my DNS to Google Cloudflare's servers, then flushed the DNS command.
- Turned off TCP/IP Offload.
- Swapped out the old 5e ethernet cable with a new CAT6 one and swapped cables between router ports.

Here is what my ipconfig/all showed me:
- My DNS Suffix Search List says "lan" for both cards.
- The Ethernet adapter shows Media State as disconnected, but Autoconfiguration is on.
- I have IPv4 Address 192.168.1.88 (Preferred) with a subnet mask of 255.255.255.0 and a lease from June 7th at 3:11 pm until the evening.

The other card says DHCP is enabled, Autoconfiguration is on, and it has an IPv4 address starting with 48-22-54-6F-54-BD. The DNS servers point to Google's numbers (1.1.1.1) and Cloudflare's (1.0.0.1), but NetBIOS over Tcpip is also enabled.

Help me out guys, I am so tired of this... do I have a network issue or should I just buy a new motherboard?
D
DengeliOda
10-05-2026, 03:07 PM #1

Basically my internet stops working right when I play D4 or Destiny2, but it works fine when I look at YouTube or check Google. Sometimes the router reconnects itself after the problem starts, but that still doesn't fix things because these games need to stay online all the time. My motherboard is an Aorus Elite B550, and it comes with a Realtek gaming card controller. After lots of searching, I bought a TP-Link adapter just like my old one. The new one has the exact same problem. In the Event Viewer, I see lots of warnings and errors (link provided).

Here are all the steps I tried:
- Reset my router.
- Used Windows tools to fix things up.
- Cleaned Windows, BIOS, and the chipset completely.
- Tried both old and new Realtek drivers for each network card.
- Fiddled with power-saving settings on both cards by turning them off a lot.
- Created a firewall exception for IPv6, but that didn't work; I even tried disabling it fully without success.
- Changed my DNS to Google Cloudflare's servers, then flushed the DNS command.
- Turned off TCP/IP Offload.
- Swapped out the old 5e ethernet cable with a new CAT6 one and swapped cables between router ports.

Here is what my ipconfig/all showed me:
- My DNS Suffix Search List says "lan" for both cards.
- The Ethernet adapter shows Media State as disconnected, but Autoconfiguration is on.
- I have IPv4 Address 192.168.1.88 (Preferred) with a subnet mask of 255.255.255.0 and a lease from June 7th at 3:11 pm until the evening.

The other card says DHCP is enabled, Autoconfiguration is on, and it has an IPv4 address starting with 48-22-54-6F-54-BD. The DNS servers point to Google's numbers (1.1.1.1) and Cloudflare's (1.0.0.1), but NetBIOS over Tcpip is also enabled.

Help me out guys, I am so tired of this... do I have a network issue or should I just buy a new motherboard?

T
Tuly
Member
77
10-05-2026, 04:14 PM
#2
Have you tried checking if the device is using its power wisely?
T
Tuly
10-05-2026, 04:14 PM #2

Have you tried checking if the device is using its power wisely?

L
ligitnube
Junior Member
8
10-08-2026, 10:37 PM
#3
If you are talking about turning off all the network adapter power management features, I do that now. Most of the power-saving options have been switched off already.
L
ligitnube
10-08-2026, 10:37 PM #3

If you are talking about turning off all the network adapter power management features, I do that now. Most of the power-saving options have been switched off already.

J
JollyPuppyLuv
Junior Member
2
10-09-2026, 09:34 AM
#4
Maybe you should try a different one.
J
JollyPuppyLuv
10-09-2026, 09:34 AM #4

Maybe you should try a different one.

T
TheLittleTiGer
Junior Member
38
10-09-2026, 11:19 AM
#5
I forgot I replaced my old wire with a new CAT6 one, so I updated this message to mention it.
T
TheLittleTiGer
10-09-2026, 11:19 AM #5

I forgot I replaced my old wire with a new CAT6 one, so I updated this message to mention it.

B
bluebananaa
Junior Member
41
10-19-2026, 09:55 PM
#6
B
bluebananaa
10-19-2026, 09:55 PM #6

G
greenscales
Junior Member
35
10-19-2026, 10:58 PM
#7
BTW - your DHCP lease time is really too short, just 90 minutes. Change it up to something like 8 hours.
G
greenscales
10-19-2026, 10:58 PM #7

BTW - your DHCP lease time is really too short, just 90 minutes. Change it up to something like 8 hours.

O
OriiVallejo
Junior Member
13
10-20-2026, 04:44 AM
#8
Yes, it does. I have also enabled Advanced EEE and Auto Disable Giagbit. Other options like Energy Efficient Ethernet, Green Ethernet, interrupt moderation, jumbo frame, wake on magic packet (when system is running), and wake on pattern match are all turned off now because they were disabled from the start. I just made a list of what shows up as disabled in the advanced configure menu.
O
OriiVallejo
10-20-2026, 04:44 AM #8

Yes, it does. I have also enabled Advanced EEE and Auto Disable Giagbit. Other options like Energy Efficient Ethernet, Green Ethernet, interrupt moderation, jumbo frame, wake on magic packet (when system is running), and wake on pattern match are all turned off now because they were disabled from the start. I just made a list of what shows up as disabled in the advanced configure menu.

C
carp3
Senior Member
572
10-20-2026, 06:39 AM
#9
Does anyone want a quick explanation? If you're looking for info on what I'm doing, sure thing! Most of my stuff is just copying other people's threads that have similar error codes or symptoms because I want to learn from them while figuring it out myself.
C
carp3
10-20-2026, 06:39 AM #9

Does anyone want a quick explanation? If you're looking for info on what I'm doing, sure thing! Most of my stuff is just copying other people's threads that have similar error codes or symptoms because I want to learn from them while figuring it out myself.

D
Desty_3000
Member
53
10-20-2026, 08:27 AM
#10
No worries, I finally got it working thanks to my friend.
D
Desty_3000
10-20-2026, 08:27 AM #10

No worries, I finally got it working thanks to my friend.

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