Acer Swift 3 Laptop stuck at 18% (0.4GHz) CPU frequency

[James_809]

I have already tried setting power mode into high performance, changing maxiumum processer frequency yet it still won't go above 18%. The battery in the laptop recently died and won't go above 0% when I try charging it, so I disabled the battery through device manager thinking it was causing the issue, and it still persisted.

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