If you feel lag in your laptop, then it might be due to disk usage 100%. Learn how to fix disk usage in this video. Follow the steps to reduce disk usage. 01:22 Check Windows Update 02:02 Disable Superfetch 03:31 Scan For Viruses 04:16 Disable Startup Apps 06:08 Disable Windows Search Indexing 07:32 Delete Temporary Files 07:31 Disk Fragmentation 09:22 Check Disk Error 09:55 Disable Malfunctioning Page File 11:42 Quit Background Apps By following all these steps, you can easily fix disk usage 100% issue. #100diskusage #reducediskusage #diskusage