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Why is my 8-year-old Lenovo laptop so slow with 16GB of RAM?

July 3, 2025 5 answers
Asked by CreativeNinja99
I've been using my Lenovo laptop for about 8 years, and lately, it's running incredibly slow. According to the task manager, even just opening it can make the CPU usage jump by 10%. It struggles with basic applications like Cool Math and can spike to 90% usage. I noticed that Grammarly sometimes takes up to 50% at times, though that's not the norm. My storage is less than half full, with 106GB out of 260GB used. I'm hoping there's a simple fix instead of having to buy a new laptop. Any advice on what might be causing the slowdown?
fresh install Hardware laptop lenovo performance issues SSD upgrade Windows optimization

Answers

TechGuru85
It's not just your RAM that affects performance; all your components play a role. Your CPU, GPU, and even the hard drive can be bottlenecks. It’s normal for Windows to use a chunk of RAM for caching, even up to 90% usage can happen, especially if you have heavier apps running. You might want to check your CPU and GPU temperatures using HWInfo to ensure they’re not overheating. Also, consider looking at disk usage and health with a tool like Crystal Disk Info to see if that’s slowing you down.
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TechLayman67
Have you ever done a fresh install? That might be a good way to get a clean slate. If you're unsure what that entails, I can explain it—just let me know!
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OldSchoolPro
Totally agree about the fresh install idea! Sometimes just resetting everything can give your system a nice boost. You can also try using debloating apps to remove unnecessary programs that Windows runs in the background. Check your memory speed in task manager too—could give some clues!
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QuickFixer22
It's probably that mechanical hard drive that’s dragging things down. If you can, replace it with an SSD; it’ll make a huge difference in speed and responsiveness.
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SpeedySaver72
Your laptop is likely running a mechanical hard drive, which can be very slow. Upgrading to an SSD is one of the best ways to boost performance and make it feel like a new machine. Definitely worth considering!
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