Lenovo Yoga doesn't want to post, when i plug charger the thinkpad “i” blinks quickly 3 times then stop. Also when im trying to turn on the laptop keyboard starts to lit up and fan is at max rpm and then it suddenly shutsdown.
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Hi,
Try a power refresh in case it is a corrupted BIOS that is the problem.
Disconnect the charger from the laptop (if connected)
Disconnect the main battery from the systemboard. You don’t have to remove the battery, simply disconnect it.
Disconnect the coin cell RTC battery from the systemboard.
Press and hold the laptop’s Power On button for a full 30 seconds and then release it. This ensures that any residual power left on the systemboard is dissipated and this action restores the BIOS to its factory default condition.
Here’s the hardware maintenance manual for the laptop. Go to p.64 and p.77 respectively, to view the necessary pre-requisite steps and then the procedure to disconnect the main battery and the coin cell battery.
Reconnect the coin cell battery, reassemble the laptop and reconnect the main battery just before closing the laptop.
Connect the charger and try turning on the laptop
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