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Lenovo ThinkCentre M91p (English) User Guide - Page 121

Programs and Features, Disk Cleanup

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To check the amount of free space on the Windows Vista operating system and 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 Vista 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. Choose My Files or Files from all users on this computer. 5. A list of unnecessary file categories is displayed. Select each file category you want to delete, and then click OK. 6. Click Delete Files. - 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. - 1. Click Start ➙ Computer. 2. Right-click your C drive entry and then click Properties. 3. Click Disk Cleanup. 4. Select Files from all users on this computer. 5. Click Continue. 6. Click the More Options tab. 7. In the Programs and Features area, click the Clean up button. 8. A list of installed applications is displayed. Select the application you want to remove. Click Uninstall/Change and then click Continue. • 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. Chapter 10. Troubleshooting and diagnostics 107

Section	Page
Important safety information	9
Service and upgrades	9
Static electricity prevention	9
Power cords and power adapters	10
Extension cords and related devices	10
Plugs and outlets	11
External devices	11
Heat and product ventilation	11
Operating environment	12
Modem safety information	12
Laser compliance statement	13
Power supply statement	13
Cleaning and maintenance	13
Chapter 1. Product overview	15
Features	15
Specifications	18
Software overview	19
Software provided by Lenovo	19
Adobe Reader	21
Antivirus software	21
Locations	21
Locating connectors on the front of your computer	21
Locating connectors on the rear of your computer	22
Locating components	25
Locating parts on the system board	26
Locating internal drives	27
Machine type and model label	27
Chapter 2. Using your computer	29
Frequently asked questions	29
Using the keyboard	29
Using Windows shortcut keys	29
Using a fingerprint reader	30
Using the wheel mouse	30
Adjusting audio	30
About your computer audio	30
Setting the volume from the desktop	31
Setting the volume from Control Panel	31
Using CDs and DVDs	31
Handling and storing CD and DVD media	32
Playing a CD or DVD	32
Recording a CD or DVD	32
Chapter 3. You and your computer	35
Accessibility and comfort	35
Arranging your workspace	35
Comfort	35
Glare and lighting	36
Air circulation	36
Electrical outlets and cable lengths	36
Register your computer with Lenovo	37
Moving your computer to another country or region	37
Voltage-selection switch	37
Replacement power cords	37
Chapter 4. Security	39
Security features	39
Attaching an integrated cable lock	40
Using passwords	40
BIOS passwords	40
Windows passwords	41
Setting up the integrated Security Chip	41
Setting the Security Chip	41
Using and understanding firewalls	42
Protecting data against viruses	42
Chapter 5. Installing or replacing hardware	43
Handling static-sensitive devices	43
Installing or replacing hardware	43
Installing external options	43
Opening the computer cover	44
Removing and reinstalling the front bezel	44
Accessing the system board components and drives	46
Installing or replacing a PCI card	47
Installing or replacing a memory module	49
Replacing the battery	50
Replacing the heat sink and fan assembly	51
Replacing the power supply assembly	54
Replacing the microprocessor	59
Installing the solid state drive	62
Replacing the hard disk drive	64
Replacing the optical drive	66
Installing or replacing the card reader	69
Replacing the system fan assembly	74
Replacing the front audio and USB assembly	76
Replacing the internal speaker	77
Replacing the keyboard or mouse	82
Completing the parts replacement	83
Chapter 6. Recovery information	85
Creating and using recovery media	85
Creating recovery media	85
Using recovery media	86
Performing backup and recovery operations	86
Performing a backup operation	86
Performing a recovery operation	87
Using the Rescue and Recovery workspace	87
Creating and using a rescue medium	88
Creating a rescue medium	88
Using a rescue medium	89
Reinstalling preinstalled applications and device drivers	89
Reinstalling software programs	90
Reinstalling device drivers	91
Solving recovery problems	91
Chapter 7. Using the Setup Utility program	93
Starting the Setup Utility program	93
Viewing and changing settings	93
Using passwords	93
Password considerations	94
Power-On Password	94
Administrator Password	94
Hard Disk Password	94
Setting, changing, and deleting a password	94
Erasing lost or forgotten passwords (clearing CMOS)	95
Enabling or disabling a device	95
Selecting a startup device	96
Selecting a temporary startup device	96
Selecting or changing the startup device sequence	96
Enabling ErP compliance mode	96
Smart performance choices	97
Exiting from the Setup Utility program	97
Chapter 8. Updating system programs	99
Using system programs	99
Updating (flashing) the BIOS from a disc	99
Updating (flashing) the BIOS from your operating system	100
Recovering from a POST/BIOS update failure	100
Chapter 9. Preventing problems	101
Keeping your computer current	101
Getting the latest device drivers for your computer	101
Updating your operating system	101
Using System Update	101
Cleaning and maintenance	102
Basics	102
Cleaning your computer	103
Good maintenance practices	104
Moving your computer	104
Chapter 10. Troubleshooting and diagnostics	107
Basic troubleshooting	107
Troubleshooting procedure	108
Troubleshooting	109
Audio problems	109
CD problems	111
DVD problems	111
Intermittent problems	113
Keyboard, mouse, or pointing device problems	113
Monitor problems	115
Networking problems	117
Option problems	119
Performance and lockup problems	120
Printer problems	123
Serial port problems	123
Software problems	123
USB problems	124
Diagnostic programs	125
Lenovo Solution Center	125
Lenovo ThinkVantage Toolbox	125
PC-Doctor for DOS	126
Chapter 11. Getting information, help, and service	127
Information resources	127
Lenovo ThinkVantage Tools	127
ThinkVantage Productivity Center	127
Lenovo Welcome	127
Help and Support	127
Safety and Warranty	128
Lenovo Web site (http://www.lenovo.com)	128
Lenovo Support Web site	128
Help and service	128
Using the documentation and diagnostic programs	128
Calling for service	129
Using other services	129
Purchasing additional services	130
Appendix A. Notices	131
Trademarks	132
Appendix B. Regulatory information	133
Export classification notice	133
Television output notice	133
Electronic emissions notices	133
Federal Communications Commission Declaration of Conformity	133
Additional regulatory information	135
Appendix C. WEEE and recycling information	137
Important WEEE Information	137
Recycling information	137
Recycling information for Brazil	138
Battery recycling information for Taiwan	138
Battery recycling information for the European Union	139
Appendix D. Restriction of Hazardous Substances Directive (RoHS)	141
China RoHS	141
Turkish RoHS	141
Ukraine RoHS	141
India RoHS	142

Match case Limit results 1 per page

To check the amount of free space on the Windows Vista operating system and 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 Vista 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. Choose

My Files

Files from all users on this computer

5. A list of unnecessary ﬁle categories is displayed. Select each ﬁle category you want to delete, and

then click

6. Click

Delete Files

–

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.

–

1. Click

Start

➙

Computer

2. Right-click your C drive entry and then click

Properties

3. Click

Disk Cleanup

4. Select

Files from all users on this computer

5. Click

Continue

6. Click the

More Options

tab.

7. In the

Programs and Features

area, click the

Clean up

button.

8. A list of installed applications is displayed. Select the application you want to remove. Click

Uninstall/Change

and then click

Continue

•

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

–

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.

Chapter 10

Troubleshooting and diagnostics

107