I'm having a tough time with my Lenovo IdeaPad 520-15IKB. It's been running really slowly and even freezes up sometimes. I ran some diagnostics on the Lenovo website, and the only problem that popped up was a faulty or uninstalled fan. However, an IT guy recently cleaned it out and confirmed the fan isn't the issue. Despite that, my laptop is still dragging its feet. I'd appreciate any suggestions on what might be causing this or how to fix it.
2 Answers
You should start with monitoring your hardware. Check the CPU, GPU, and disk usage when your laptop is slow. Pay attention to the temperatures and the frequencies of your CPU and GPU too. Testing your disk with tools like CrystalDisk Info is a good start – it gives a quick overview. If everything seems fine on the hardware side, it might be a software issue. In that case, back up your data and consider doing a clean install from a USB drive; just make sure you delete the system partition first instead of trying a reset.
How exactly do I test the disk? I'm not very familiar with IT stuff.

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