If the light is not on, then press the power button for a few seconds and turn your monitor on. But, if powering on does not turn the monitor on, then try the other solutions that we have provided below. 2. Check the Power Cable. The next step you should take is to check the power cable.
When I turn my laptop on the battery indicator blinks white (even when plugged in). I can tell that the grub menu comes on starting but there is no display. If Ubuntu opens then there is a flash on screen and then black screen. And if Windows opens, there is no display on the screen. And all this time battery indicator keeps blinking.
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