+And read **26.5.1 MCU Control Register – MCUCR** of ATMega32U4 datasheet.\r
+\r
+\r
+## Adding LED indicators of Lock keys\r
+You need your own LED indicators for CapsLock, ScrollLock and NumLock? See this post.\r
+\r
+http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-120.html#p191560\r
+\r
+## Program Arduino Micro/Leonardo\r
+Push reset button and then run command like this within 8 seconds.\r
+\r
+```\r
+avrdude -patmega32u4 -cavr109 -b57600 -Uflash:w:adb_usb.hex -P/dev/ttyACM0\r
+```\r
+\r
+Device name will vary depending on your system.\r
+\r
+http://arduino.cc/en/Main/ArduinoBoardMicro\r
+https://geekhack.org/index.php?topic=14290.msg1563867#msg1563867\r
+\r
+\r
+## USB 3 compatibility\r
+I heard some people have a problem with USB 3 port, try USB 2 port.\r
+\r
+\r
+## Mac compatibility\r
+### OS X 10.11 and Hub\r
+https://geekhack.org/index.php?topic=14290.msg1884034#msg1884034\r
+\r
+\r
+## Problem on BIOS(UEFI)/Resume(Sleep&Wake)/Power cycles\r
+Some people reported their keyboard stops working on BIOS and/or after resume(power cycles).\r
+\r
+As of now root of its cause is not clear but some build options seem to be related. In Makefile try to disable those options like `CONSOLE_ENABLE`, `NKRO_ENABLE`, `SLEEP_LED_ENABLE` and/or others. \r
+\r
+https://github.com/tmk/tmk_keyboard/issues/266\r
+https://geekhack.org/index.php?topic=41989.msg1967778#msg1967778\r
+\r
+\r
+\r
+## FLIP doesn't work\r
+### AtLibUsbDfu.dll not found\r
+Remove current driver and reinstall one FLIP provides from DeviceManager.\r
+http://imgur.com/a/bnwzy
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