Lenovo ThinkCentre Edge 72 (English) User Guide - Page 114

Performance and lockup problems, Insufficient free hard disk drive space

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Actions: • Verify that all option hardware and cable connections are secure. • If the option comes with its own test instructions, use those instructions to test the option. • If the failing option is a SCSI option, verify that: - 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 diagnostic programs (see "Diagnostic programs" on page 105 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 109. 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 102 • "Excessive number of fragmented files" on page 103 • "Insufficient memory" on page 103 Make a selection from the above list to find out more about the corrective actions you can take. Insufficient free hard disk drive space Symptom: Insufficient free hard disk drive space The Windows operating system will slow down and might produce errors if the hard disk drive gets too full. To check the amount of free space on the Windows 7 operating system, do the following: 1. Click Start ➙ Computer. 2. Right-click your C drive entry and then click Properties. The amount of free disk space is displayed. Actions to free up disk space: • On the Windows 7 operating system, do one or all of the following: - 1. Click Start ➙ Computer. 2. Right-click your C drive entry and then click Properties. 3. Click Disk Cleanup. 4. A list of unnecessary file categories is displayed. Select each file category you want to delete, and then click OK. - 1. Click Start ➙ Control Panel. 2. Click Programs. 3. Click Turn Windows features on or off. 4. A list of optional Windows components is displayed. Follow the instructions on the screen. - 102 ThinkCentre User Guide

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Actions:
•
Verify that all option hardware and cable connections are secure.
•
If the option comes with its own test instructions, use those instructions to test the option.
•
If the failing option is a SCSI option, verify that:
–
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 diagnostic programs (see “Diagnostic programs” on
page 105 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and
service” on page 109.
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 102
•
“Excessive number of fragmented files” on page 103
•
“Insufficient memory” on page 103
Make a selection from the above list to find out more about the corrective actions you can take.
Insufficient free hard disk drive space
Symptom: Insufficient free hard disk drive space
The Windows operating system will slow down and might produce errors if the hard disk drive gets too full.
To check the amount of free space on the Windows 7 operating system, do the following:
1. Click
Start
➙
Computer
.
2. Right-click your C drive entry and then click
Properties
. The amount of free disk space is displayed.
Actions to free up disk space:
•
On the Windows 7 operating system, do one or all of the following:
–
1. Click
Start
➙
Computer
.
2. Right-click your C drive entry and then click
Properties
.
3. Click
Disk Cleanup
.
4. A list of unnecessary file categories is displayed. Select each file category you want to delete, and
then click
OK
.
–
1. Click
Start
➙
Control Panel
.
2. Click
Programs
.
3. Click
Turn Windows features on or off
.
4. A list of optional Windows components is displayed. Follow the instructions on the screen.
–
102
ThinkCentre User Guide