Performance problems

Excessive fragmented files exist on the storage drives.

Solution:

Use the Windows disk defragmentation or disk optimization feature to clean up the files.

Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours.

Close any open programs and windows.
Click the Start button to open the Start menu.
Click Windows System > File Explorer > This PC.
Right-click your C drive and then click Properties.
Click the Tools tab.
Click Optimize. Select the desired drive and then click Optimize.
Follow the instructions on the screen.

The free storage drive space is insufficient.

Solutions:

Free up the storage drive space.

Clean out your Inbox, Sent Items, and Deleted Items folders from your e-mail application.
Clean up your C drive.
1. Click the Start button to open the Start menu.
2. Click Windows System > File Explorer > This PC.
3. Right-click your C drive and then click Properties.
4. Check the amount of free space, and then click Disk Cleanup.
5. A list of unnecessary file categories is displayed. Select each file category you want to delete, and then click OK.
Turn some Windows features off or remove some unnecessary programs.
1. Click the Start button to open the Start menu.
2. Click Windows System > Control Panel.
3. View Control Panel by Large icons or Small icons, and then click Programs and Features.
4. Do one of the following:
  - To turn some Windows features off, click Turn Windows features on or off. Follow the instructions on the screen.
  - To remove some unnecessary programs, select the program you want to remove, and then click Uninstall/Change or Uninstall.

The free memory space is insufficient.

Solutions:

Right-click a blank area on the taskbar and open Task Manager. Then, end some tasks you are not performing.
Install additional memory modules. See Hardware removal and installation. To purchase memory modules, go to:
https://www.lenovo.com