Serial Connector Problem; Usb Device Problems - Lenovo 30BJ User Manual

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Table of Contents

• Clean up your C drive.

1. Click the Start button to open the Start menu.

2. Depending on your Windows version, do one of the following:

– For Windows 7: Click Computer.

– For Windows 10: 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. Depending on your Windows version, do one of the following:

– For Windows 7: Click Control Panel.

– For Windows 10: 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. To purchase memory modules, go to:

http://www.lenovo.com