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What's DOS?
Posts: 1
Registered: ‎01-11-2018
Location: RO
Views: 237
Message 1 of 2

Critical battery error lenovo y520



I recently bought a lenovo y520 and every couple of days i get the warning ''Critical low battery'', even though the battery is fully chrarged and the charger is plug in. Any advice on how to fix this problem?

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 166
Message 2 of 2

Re: Critical battery error lenovo y520

Hello Elodin,

Thanks for using the Lenovo forums.

By the sounds of things, it could be an issue with the battery itself.

Is this a recent issue? Perhaps started after an update?


Try a static discharge for this, it may help to resolve the issue or at least get rid of any built up static on the motherboard.

(If the battery is internal, please just skip the remove/replace battery steps.)
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


Hope this helps, let us know how you get on.

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