Laptop infrequent beep noise heard when playing games / when the laptop is asleep?

ShangWang

Proper
Mar 26, 2021
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I have the Acer Nitro 5 AN515-53.

Sometimes I hear a single beep while playing games from my laptop, it's plugged in and all the hardware is working fine. This happens maybe once every few weeks or so, it's very infrequent. Does anyone know what this indicates?

Also I'm not sure about this but MAYBE I heard my laptop beep while it was sleeping and unplugged, during this time the battery was at least 80% and wasn't an indication of low battery. Has this ever happened before?
 

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