this post was submitted on 17 Oct 2023
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Lenovo Legion 5 Laptop power button does nothing... sometimes? (self.techsupport)
submitted 1 year ago by StinkyDave to c/techsupport
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Lenovo Legion 5 15IMH05H

This is really weird.

I can't power on the laptop, normally. The only only way I can power it on is by unplugging the CMOS batt along with the standard batt, then plugging in the CMOS followed by the standard batt. All of this has to be done with the display in the open position or it will not power on.

Once the laptop is on, the power button will do nothing with short presses. Holding the power button will shut down the laptop completely and then the power button will do nothing after that.

Initially I thought it was the OS settings telling the power button to do nothing so I reinstalled Win 10 on a separate m.2. Still power button did nothing.

I then thought it was the BIOS so I checked the settings to see if there were power button options and there were not. So I updated the BIOS and still nothing.

I then checked the domed button on the logic board to see if there was any damage but it looks fine and also if it were damaged then holding the power button should do nothing as well.

Idk. I'm stuck boys. Let me know if anyone has any insights.

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[โ€“] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

Did you try the novo button to reset the thing?

https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/legion-series/legion-y520-15ikbm/80yy/solutions/ht062552-introduction-to-novo-button-ideapad

Also, run the update from the Vantage app and install all available updates especially the BIOS and the Graphics card driver and restart the computer. It should update from Lenovo.

[โ€“] StinkyDave 1 points 1 year ago

The Novo button does nothing. I turned off the laptop pressed the Novo button a lot and nothing happened. Then I did the whole thing with the CMOS and the standard batter. It powered onto the Novo options menu but that basically gave me the options; BIOS Menu, Boot Menu or Windows Start Up Failure Menu. All of which I can access with out the Novo button.

Ran the Vantage app. All it did was update the GPU driver as I had already installed and updated all the drivers from Lenovo's website. I guess they had an older GPU driver on the site.