My laptop is Inspiron 5570, OS: Ubuntu 21.04, My Battery is removed and the laptop runs on AC.
The issue is that I am stuck at powersave and unable to keep the system running on best performance
The power options at settings aren't working, I tried many TLP ( software Slimbook, cpufreq, CPU Power Manager, etc... ) but all didn't work, Bios options didn't solve the issue too.
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