I have connected an option to my computer, but it does not work
Solution: Refer to the documentation that comes with the option to ensure that you have connected the
option correctly.
Performance and lockup problems
This section provides solutions to performance-related problems of your computer.
Insufficient free hard disk drive space
Solution: Free up hard disk drive space.
• Method 1
1. Click
Start
➙
Computer
on Windows 7 or open File Explorer on Windows 8.1.
2. Right-click your C drive entry and then click
Properties
.
3. Click
Disk Cleanup
, and then follow the instructions on the screen.
• Method 2
1. Open Control Panel.
Note:
For detailed information on how to open Control Panel on Windows 8.1, see “Accessing
Control Panel on the Windows 8.1 operating system” on page 51.
2. Click
Programs
.
3. Click
Turn Windows features on or off
, and then follow the instructions on the screen.
• Method 3
1. Click
Start
➙
Computer
on Windows 7 or open File Explorer on Windows 8.1.
2. Right-click your C drive entry and then click
Properties
.
3. Click
Disk Cleanup
.
4. Click
Clean up system files
.
5. Click the
More Options
tab.
6. Click
Clean up
in the
Programs and Features
area, and then follow the instructions on the screen.
• Clean out your Inbox, Sent Items, and Deleted Items folders from your e-mail application. The folder
names and procedures vary depending on your e-mail application. If you need assistance, see the
help system for your e-mail application.
Excessive number of fragmented files
Solution: Use the Windows disk defragmentation or disk optimization feature to clean up the files.
Note:
Depending on the volume of the hard disk drives and amount of data stored on the hard disk drives,
the disk-defragmentation process might take up to several hours.
• On Windows 7:
1. Close any open programs and windows.
2. Click
Start
➙
Computer
.
3. Right-click your C drive entry and then click
Properties
.
4. Click
Defragment now
under the
Tools
tab to start a disk-defragmentation process.
• On Windows 8.1:
1. Close any open programs and windows.
2. Open File Explorer.
86
ThinkCentre M79 Hardware Maintenance Manual
Summary of Contents for ThinkCentre M79
Page 1: ...ThinkCentre M79 Hardware Maintenance Manual Machine Types 10CT 10CU 10CV and 10CW ...
Page 6: ...iv ThinkCentre M79 Hardware Maintenance Manual ...
Page 8: ...vi ThinkCentre M79 Hardware Maintenance Manual ...
Page 16: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 8 ThinkCentre M79 Hardware Maintenance Manual ...
Page 19: ...1 2 Chapter 1 Read this first Important safety information 11 ...
Page 20: ...1 2 12 ThinkCentre M79 Hardware Maintenance Manual ...
Page 21: ...Chapter 1 Read this first Important safety information 13 ...
Page 27: ...Chapter 1 Read this first Important safety information 19 ...
Page 31: ...Chapter 1 Read this first Important safety information 23 ...
Page 40: ...Figure 4 Component locations 32 ThinkCentre M79 Hardware Maintenance Manual ...
Page 68: ...Figure 8 Installing a padlock 60 ThinkCentre M79 Hardware Maintenance Manual ...
Page 80: ...72 ThinkCentre M79 Hardware Maintenance Manual ...
Page 98: ...90 ThinkCentre M79 Hardware Maintenance Manual ...
Page 112: ...104 ThinkCentre M79 Hardware Maintenance Manual ...
Page 168: ...160 ThinkCentre M79 Hardware Maintenance Manual ...
Page 172: ...164 ThinkCentre M79 Hardware Maintenance Manual ...
Page 175: ...Appendix D China Energy Label Copyright Lenovo 2014 167 ...
Page 176: ...168 ThinkCentre M79 Hardware Maintenance Manual ...
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Page 184: ...176 ThinkCentre M79 Hardware Maintenance Manual ...
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