This question seems to come up fairly often in the forum: how to turn off that flashing wi-fi indicator light on a ThinkPad. The answer usually seems to be that it can't be done, or that you should put electrical tape over the light.
I found this answer (specifically about IdeaPad models) on another site, and can confirm that it worked with Intel wi-fi hardware in the ThinkPad T61 and X61s that I tried it with. I don't know if it works with non-Intel wi-fi cards or other ThinkPads, but it certainly worked with the two machines I've tried so far.
http://forums.lenovo.com/t5/IdeaPad-Y-a ... a-p/263165
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Disable wi-fi indicator lights (Intel wi-fi cards)
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Edward Mendelson
- **SENIOR** Member

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- Joined: Mon May 24, 2004 10:11 am
Re: Disable wi-fi indicator lights (Intel wi-fi cards)
Thank you!!
it works on a windows 10 T400 with a intel Wifi link 5100AGN. in my case, the LED was always on if the Wifi was connected, by i wanted to blink on network activity, so i created the DWORD value "LedMode" with the value 1, now it blinks only on network traffic just like i wanted.
my registry path is: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0002
the trick is to make sure you are on the right Wifi card folder just like they explain in the link.
Grettings from Colombia and thaks again!
it works on a windows 10 T400 with a intel Wifi link 5100AGN. in my case, the LED was always on if the Wifi was connected, by i wanted to blink on network activity, so i created the DWORD value "LedMode" with the value 1, now it blinks only on network traffic just like i wanted.
my registry path is: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0002
the trick is to make sure you are on the right Wifi card folder just like they explain in the link.
Grettings from Colombia and thaks again!
My thinkpads: 760XL MMX 166, T42 (looking for a main board), 770X: PII 400, 1280x1024. T400: P8700, 6GB, T60: T7200, 3GB, 1400x1050, X1300 with dual winXP/win10 running fine.
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