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<blockquote data-quote="bakedbeans" data-source="post: 3892" data-attributes="member: 1113">AI Google search fixed the problem.&nbsp; Did all of these things:Potential causes and solutions1. Network adapter advanced settings<ul>
<li data-xf-list-type="ul">Check Duplex Mode: While you've reinstalled LAN drivers, it's worth reconfirming the network adapter's duplex setting. Sometimes, after driver reinstalls or system changes, this can default to half-duplex, significantly impacting upload speeds, particularly on Wi-Fi connections, according to <a href="https://www.elevenforum.com/t/windows-10-slow-upload-speeds.26483/" target="_blank">a post on the Windows 11 Forum</a>.<ul>
<li data-xf-list-type="ul">Open Device Manager (right-click Start button and choose &quot;Device Manager&quot;).</li>
<li data-xf-list-type="ul">Expand &quot;Network adapters&quot;.</li>
<li data-xf-list-type="ul">Right-click on your ethernet adapter and select &quot;Properties&quot;.</li>
<li data-xf-list-type="ul">Go to the &quot;Advanced&quot; tab and look for a setting related to &quot;Speed &amp; Duplex&quot; or &quot;Duplex Mode&quot;.</li>
<li data-xf-list-type="ul">Ensure it's set to &quot;Full Duplex&quot; at the highest available speed (e.g., &quot;1.0 Gbps Full Duplex&quot;).</li>
</ul></li>
<li data-xf-list-type="ul">Disable Large Send Offload (LSO): Some users have reported improved performance after disabling Large Send Offload (LSO) in the network adapter's advanced settings, according to <a href="https://learn.microsoft.com/en-us/answers/questions/3852766/slow-upload-speed" target="_blank">this Microsoft Q&amp;A thread</a>.</li>
<li data-xf-list-type="ul">Power Management: Ensure the option to &quot;Allow the computer to turn off this device to save power&quot; is unchecked for both your wired and wireless adapters, as suggested by <a href="https://learn.microsoft.com/en-us/answers/questions/1515882/windows-11-limits-my-network-and-internet" target="_blank">posts on Microsoft Q&amp;A</a> and <a href="https://learn.microsoft.com/en-us/answers/questions/4147919/internet-upload-speed" target="_blank">another Microsoft Q&amp;A thread</a>.</li>
</ul></blockquote>

[QUOTE="bakedbeans, post: 3892, member: 1113"] AI Google search fixed the problem. Did all of these things: Potential causes and solutions 1. Network adapter advanced settings [LIST] [*]Check Duplex Mode: While you've reinstalled LAN drivers, it's worth reconfirming the network adapter's duplex setting. Sometimes, after driver reinstalls or system changes, this can default to half-duplex, significantly impacting upload speeds, particularly on Wi-Fi connections, according to [URL='https://www.elevenforum.com/t/windows-10-slow-upload-speeds.26483/']a post on the Windows 11 Forum[/URL]. [LIST] [*]Open Device Manager (right-click Start button and choose "Device Manager"). [*]Expand "Network adapters". [*]Right-click on your ethernet adapter and select "Properties". [*]Go to the "Advanced" tab and look for a setting related to "Speed & Duplex" or "Duplex Mode". [*]Ensure it's set to "Full Duplex" at the highest available speed (e.g., "1.0 Gbps Full Duplex"). [/LIST] [*]Disable Large Send Offload (LSO): Some users have reported improved performance after disabling Large Send Offload (LSO) in the network adapter's advanced settings, according to [URL='https://learn.microsoft.com/en-us/answers/questions/3852766/slow-upload-speed']this Microsoft Q&A thread[/URL]. [*]Power Management: Ensure the option to "Allow the computer to turn off this device to save power" is unchecked for both your wired and wireless adapters, as suggested by [URL='https://learn.microsoft.com/en-us/answers/questions/1515882/windows-11-limits-my-network-and-internet']posts on Microsoft Q&A[/URL] and [URL='https://learn.microsoft.com/en-us/answers/questions/4147919/internet-upload-speed']another Microsoft Q&A thread[/URL]. [/LIST] [/QUOTE]

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