Yes system is already on auto duplex mode
OFFLINE LAN SPEED
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
I connected two pc windows 11 and windows 10 through offline lan cable. Some time data transfer speed is very good. When restart some time data transfer speed is very slow. It change slow to high or high to slow when restart pc.
Windows for home | Windows 11 | Internet and connectivity
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
4 answers
Sort by: Most helpful
-
Anonymous
2022-08-11T13:45:56+00:00 -
Anonymous
2022-08-11T11:30:05+00:00 Can you follow the steps in this guide and make sure it is set to auto duplex mode:
https://www.home-network-help.com/speed-and-dup...
Kind Regards,
Elise
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
-
Anonymous
2022-08-11T11:27:14+00:00 This is not fix that every time when restart speed change from previous speed. It is random speed change from high to low or low to high. It may change with next restart or may remain same for many restarts.
Not change with simply disconnecting and reconnecting the cable .
-
Anonymous
2022-08-11T09:03:08+00:00 Hi, I'm Elise, and I'd be happy to help with your issue.
As a test, rather than restart the PC can you check if simply disconnecting and reconnecting the cable resets the speed produced?
Kind Regards,
Elise