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Old 02-08-2017, 08:42 PM   #8
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Join Date: Feb 2011
Posts: 108
Default Re: Lenovo Yoga 2 Pro - cannot turn on, keyboard blinking every 5 sec

Originally Posted by RJARRRPCGP View Post
You said "cannot turn on", but I had an HP CQ 61 that had a keyboard light blink much like that.
I would get fan and drive power. Seemed it was reporting a CPU failure...
Same board manufacturer???

yes when plug in ac adapter, the keyboard backlight flashes every few secs, blank screen. i can feel the fan is also turning on and off.

maybe u are right it could be a cpu failure, i also cannot be sure.
i also cannot find the schematic, to measure the voltage rail
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