Performance And Lockup Problems - Lenovo ThinkCentre M73 10DL User Manual

– The cables for all external SCSI options are connected correctly.
– The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly.
– All external SCSI options are turned on. External SCSI options must be turned on before the computer
is turned on. For more information, see your SCSI documentation.
• Verify that the option and any required device drivers are installed correctly.
If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical
assistance, see Chapter 11 "Getting information, help, and service" on page 125.

Performance and lockup problems

Poor performance and lockup problems can be a result of any of the following:
• "Insufficient free hard disk drive space" on page 120
• "Excessive number of fragmented files" on page 121
• "Insufficient memory" on page 121
Make a selection from the above list to find out more about the corrective actions you can take.
Insufficient free hard disk drive space
Solutions: Free up hard disk drive space.
• Clean out your Inbox, Sent Items, and Deleted Items folders from your e-mail application.
• Clean up your C drive.
1. Depending on your Windows version, do one of the following:
– For Windows 7: Click the Start button to open the Start menu, and then click Computer.
– For Windows 8: Open File Explorer, and then click Computer.
– For Windows 8.1: Open File Explorer.
– For Windows 10: Click the Start button to open the Start menu, and then click File Explorer ➙
This PC.
2. Right-click your C drive and then click Properties.
3. Check the amount of free space, and then click Disk Cleanup.
4. 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. Open Control Panel by doing one of the following:
– For Windows 7: Click the Start button to open the Start menu, and then click Control Panel.
– For Windows 8 or Windows 8.1: See "Accessing Control Panel on the Windows 8 or Windows
8.1 operating system" on page 18.
– For Windows 10: Right-click the Start button to open the Start context menu, and then click
Control Panel.
2. View Control Panel using Large icons or Small icons, and then click Programs and Features.
3. 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.
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ThinkCentre M73 User Guide