I've been dealing with a frustrating issue with my Lenovo Legion 5 (2020). Recently, I've wanted to replace my WiFi card, thinking it might help with a keyboard problem. I opened my laptop to check everything first and made sure to disconnect the battery properly. However, the next day, I couldn't turn it on because I forgot to reconnect the battery. I also stripped a screw while trying to access the components, which delayed my fixes.
When I finally got it running, I noticed that it became sluggish after a few minutes, especially when I tried playing Forza Horizon 5; I received a "CPU bandwidth" warning linked to high CPU usage in the task manager. I'm running various malware scans and if those don't help, I might end up resetting my laptop. I'm really at a loss since my RAM usage has peaked and the overall slowness is incredibly frustrating—any advice would be hugely appreciated!
3 Answers
Have you considered booting from a USB with a Linux distro like Puppy Linux? This can help you determine if the slowdown is software-related or if there’s a hardware issue. Plus, it runs independently, so you can troubleshoot without interference from your usual setup. If you try this, let us know how it goes!
If you're worried about malware, checking that out first makes sense. However, if scans come up empty, doing a clean reinstall of your operating system could fix the issue. Have you tried using programs like Bitdefender or the offline scan option in Windows Defender? Also, open Task Manager and see which processes are hogging your CPU—hold the Ctrl key while monitoring to see if anything odd stands out.
Also, make sure to look for any updates to your drivers. Sometimes outdated drivers can cause weird performance issues. And if you haven't added any new software recently, it might be worthwhile to try a clean reinstall, especially if those scans don’t reveal anything suspicious.
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