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Sorry i didn't read the procedure carefully. Much smaller this time.

Here is my report. Today, when on battery (no AC wire), my X240 switch to AC mode for 7 seconds and switch back to battery mode.

Actually, the patch (bat) T440p works fine after i applied: IRQ fix Mutex fix HPET fix RTC fix 7 and 8 series USB fix The only thing is that every 30 sec, the power supply switch from "Battery" to "Power Adapter" for 1/4 sec and switch back to "Battery" immediately. That causes a refresh of the...

Hi kevin335200, How did you get your battery level working ? I didn't find any DSDT patch for the x240. I tried the one for T440p but without success. My laptop is: X240 i5 4200U HD4400 1366x768 Wifi dongle: Dw-121 or Asus N-13 Sierra 10.12.3 with imessage working