The possible causes may vary, and it's hard to list all the reasons without a deeper diagnosis. What's the matter with it? How can I make it faster and gain better performance of it?' Why Is My Lenovo Laptop So Slow I ran Malwarebytes, and then Avast and no viruses were detected. Later the Chrome and Adobe crashed and were unresponsive for a while. I have some trouble logging in - I have to force shut down at the time. 'My Lenovo IdeaPad 330 (256GB SSD, 8GB ram) was very slow and laggy. Lenovo IdeaPad 330 Running Very Slow on Windows 11/10 Run antivirus software, upgrade RAM, upgrade HDD to SSD, disable Windows 10 automatic update. You can disable some programs in Startup so they don't run when your PC starts and speed up.

To speed up your Lenovo laptop, you can clean your computer for more space and increase C drive. In Task Manager, select the 'Performance'. Press Ctrl + Alt + Delete and then select Task Manager. Your Lenovo laptop running slow on Windows 10 may result from heavy dust in fan and heat sink.

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