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YOGA 500-14ISK Black Screen After Bios Update

2017-02-12, 19:58 PM

I have been suffering the, what seems common, screen flicker issue with my yoga 500 when on battery. After reading through some threads i discovered the problem was either, Drivers or Bios. After trying both drivers from lenovo themselves, and the latest from intel/nvidia the problem still remained.

i then tried updating the bios. After windows shut down, the Phoenix bios updater stated a message that the bios had been sucessfully updated. The laptop then restarted and no longer posts or goes into windows. The Nova button also has no function and just causes the keyboard to illuminate and the fan to spins for 10 seconds before stopping.(Same as power button)
Any advice?


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Re: YOGA 500-14ISK Black Screen After Bios Update

2017-02-14, 11:24 AM

Hi hcm145,

Thanks for posting and welcome to the forum!


If the BIOS was updated successfully then it might be worth attempting a static discharge to try and resolve this problem, below are some instructions on how to perform this:

1. Turn the unit off
2. Remove the battery and the Mains adapter
3. Press and hold the front power button for 30 seconds
4. Replace the battery and the Mains adapter
5. Turn the unit on as normal


Let us know how you get on.

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