Lenovo ThinkCentre M90q, Hardware Maintenance Manual

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Performance problems
Problem Solution
Excessive fragmented files exist on the
storage drives.
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.
1. Close any open programs and windows.
2. Open the Start menu.
3. Click Windows System ➙ File Explorer ➙ This PC .
4. Right-click your C drive and then click Properties .
5. Click the Tools tab.
6. Click Optimize . Select the drive as desired, and then click
Optimize .
7. Follow the on-screen instructions.
The free storage drive space is insufficient.
• Clean out your Inbox, Sent Items, and Deleted Items folders from
your e-mail application.
• Clean up your C drive.
1. 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 the
category you want to delete, and then click OK .
• Disable some Windows features or remove some unnecessary
programs.
1. Go to Control Panel and view by large icons or small icons.
2. Click Programs and Features .
3. Do one of the following:
– To disable some Windows features, click Turn Windows
features on or off . Follow the on-screen instructions.
– 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.
• Right-click a blank area on the taskbar and open Task Manager.
Then, end some tasks you are not performing.
• Install additional memory modules.
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M90q Hardware Maintenance Manual