keyboard - no light during password entry

When I turn on my Macbook Pro in a dark room, there is no light during password entry.

The keypad backlight is disabled.

I tried a SMC reset, but that did not help.

I helped myself.

1. installation of Ubuntu Linux on Macbook Pro (clear entire disc) - cancel the installation after the hard disk is partitioned (if it has already copied data)

2 reset the PRAM + SMC

3. clean the Install of El Capitan (on USB)

Tags: Notebooks

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