Ethernet light keeps flashing when the machine is powered down

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  1. Posts : 42,507
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #11

    I assume you've tried the ones mentioned, then, as your reply say nothing about that... nor does it clarify whether these PCs have ever not done this with Win 10/11.

    Simple solution: a cover... or the position of the PCs.
      My Computers


  2. Posts : 119
    Windows 10 Pro 22H2
    Thread Starter
       #12

    There is no Power Management tab under any of the Network Adapter settings, and in the BIOS under Config ->Power, it seems to have something called "CPU Power Management" The slider currently says it's on. The description says

    "Enables or disables the power saving feature that stops the microprocessor clock automatically when there are no system activities. Normally it is not necessary to change these settings"

    The "Wake up on alarm" slider is disabled.

    Under the Network Adapter Settings for the Intel Ethernet connection, I have a drop down menu that looks like this:

    Ethernet light keeps flashing when the machine is powered down-lan-settings.png

    Both the "Wake from S0ix on Magic Packet" and the "Wake on Pattern Match" settings are enabled.

    "Wake On Link" and "Wake on Magic Packet" are disabled.

    I haven't changed anything.
      My Computer


  3. Posts : 1,204
    11 Home
       #13

    In BIOS, go to Power ➙ Enhanced Power Saving Mode ➙ Enabled. Also, Power ➙ Automatic Power On ➙ Wake On Lan ➙ Disabled.
      My Computers


  4. Posts : 119
    Windows 10 Pro 22H2
    Thread Starter
       #14

    hdmi said:
    In BIOS, go to Power ➙ Enhanced Power Saving Mode ➙ Enabled. Also, Power ➙ Automatic Power On ➙ Wake On Lan ➙ Disabled.
    This is for a Lenovo BIOS, right?

    I'm not at home right now but I'll check it as soon as I get in. In mine it's called "Wake On Alarm" and I believe it's already set to disabled by default.
      My Computer


  5. Posts : 188
    Win10 Pro X64 22H2 build 19045.3803
       #15

    Both "wake from sleep on magic packet" and "wake on pattern match" should be *disabled*. Both are looking for special network packets and thus have to keep the ethernet chipset powered on.
      My Computer


  6. Posts : 1,204
    11 Home
       #16

    cheaterslick said:
    This is for a Lenovo BIOS, right?

    I'm not at home right now but I'll check it as soon as I get in. In mine it's called "Wake On Alarm" and I believe it's already set to disabled by default.
    Yes, it's for Lenovo. But I don't know which exact model your ThinkPad is, so I am only taking a wild guess. Enhanced Power Saving Mode = ErP compliance mode. If you can't find this feature, then I suggest that you just contact Lenovo about it, either directly by email or via their community forum website.
      My Computers


  7. Posts : 119
    Windows 10 Pro 22H2
    Thread Starter
       #17

    selden said:
    Both "wake from sleep on magic packet" and "wake on pattern match" should be *disabled*. Both are looking for special network packets and thus have to keep the ethernet chipset powered on.
    As soon as I did this and powered down, it stopped flashing. This solved it so thanks for the help!
      My Computer


  8. Posts : 188
    Win10 Pro X64 22H2 build 19045.3803
       #18

    You're very welcome.
      My Computer


  9. Posts : 2,292
    Windows 10 Pro/Windows 7 Ultimate
       #19

    Now you learned something very important in that you can remote start your PC like remote starting a vehicle. In fact you can do this via an App on a smartphone.... and so can a hacker...
      My Computer


  10. Posts : 5,048
    Windows 10/11 Pro x64, Various Linux Builds, Networking, Storage, Cybersecurity Specialty.
       #20

    Well...

    Anything connected to the internet is potentially vulnerable.
    By turning off Wake On LAN, you have an extra layer of protection.

      My Computer


 

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