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Lenovo ThinkCentre M92z (English) User Guide - Page 78

Replacing the heat sink and fan assembly for GPU, do the following

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Figure 43. Removing the ExpressCard 6. Connect the new ExpressCard to the ExpressCard connector on the system board. Align the screw holes in the new ExpressCard with the corresponding holes in the system board and then install the four screws to secure the new ExpressCard to the system board. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to "Completing the parts replacement" on page 73. Replacing the heat sink and fan assembly for GPU Attention: Do not open your computer or attempt any repair before reading and understanding "Important safety information" on page v. This section provides instructions on how to replace the heat sink and fan assembly for GPU. Note: The heat sink and fan assembly for GPU is available only in models installed with the GPU. CAUTION: The heat sink and fan assembly for GPU might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To replace the heat sink and fan assembly for GPU, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 66 ThinkCentre User Guide

Section	Page
Important safety information	7
Service and upgrades	7
Static electricity prevention	7
Power cords and power adapters	8
Extension cords and related devices	8
Plugs and outlets	9
External devices	9
Heat and product ventilation	9
Operating environment	10
Modem safety information	10
Laser compliance statement	11
Power supply statement	11
Cleaning and maintenance	11
Chapter 1. Product overview	13
Features	13
Specifications	16
Lenovo programs	17
Accessing Lenovo programs on the Windows 7 operating system	17
Accessing Lenovo programs on the Windows 8 operating system	18
An introduction to Lenovo programs	19
Locations	21
Locating connectors, controls, and indicators on the front of your computer	21
Locating connectors on the rear of your computer	23
Locating components	25
Locating parts on the system board	28
Adjusting the frame stand	30
Machine type and model label	31
Chapter 2. Using your computer	33
Frequently asked questions	33
Accessing Control Panel on the Windows 8 operating system	33
Using the keyboard	34
Using Windows shortcut keys	34
Using the blue ThinkVantage button	34
Using a fingerprint reader	34
Using the wheel mouse	35
Adjusting audio	35
About your computer audio	35
Setting the volume from the desktop	35
Setting the volume from Control Panel	36
Using CDs and DVDs	36
Handling and storing CD and DVD media	36
Playing a CD or DVD	37
Recording a CD or DVD	37
Using the single-touch and multi-touch feature	37
Chapter 3. You and your computer	41
Accessibility and comfort	41
Arranging your workspace	41
Comfort	41
Glare and lighting	42
Air circulation	42
Electrical outlets and cable lengths	42
Register your computer	43
Moving your computer to another country or region	43
Voltage-selection switch	43
Replacement power cords	44
Chapter 4. Security	45
Security features	45
Attaching an integrated cable lock	46
Using passwords	46
BIOS passwords	46
Windows passwords	47
Configuring the fingerprint reader	47
Using and understanding firewalls	47
Protecting data against viruses	47
Chapter 5. Installing or replacing hardware	49
Handling static-sensitive devices	49
Installing or replacing hardware	49
Installing external options	49
Removing and reinstalling the frame stand	50
Installing the monitor stand	50
Removing the computer cover	53
Removing and reinstalling the frame foot	54
Removing and reinstalling the handle bar	55
Removing and reinstalling the rear I/O assembly	56
Installing or replacing a memory module	57
Replacing the hard disk drive	58
Replacing the optical drive	61
Replacing the converter board	62
Replacing the heat sink	63
Replacing the microprocessor	65
Replacing the internal speakers	68
Replacing the thermal sensor	69
Replacing the integrated camera	71
Replacing the WI-FI card	72
Replacing the ambient light sensor	74
Replacing the Bluetooth module	75
Replacing the card reader	76
Replacing the ExpressCard	77
Replacing the heat sink and fan assembly for GPU	78
Replacing the rear PS/2 connectors and serial port assembly	80
Replacing the mouse	81
Replacing the keyboard	84
Completing the parts replacement	85
Chapter 6. Recovery information	87
Recovery information for the Windows 7 operating system	87
Creating and using recovery media	87
Performing backup and recovery operations	88
Using the Rescue and Recovery workspace	89
Creating and using a rescue medium	90
Reinstalling preinstalled applications and device drivers	91
Reinstalling software programs	92
Reinstalling device drivers	92
Solving recovery problems	92
Recovery information for the Windows 8 operating system	93
Chapter 7. Using the Setup Utility program	95
Starting the Setup Utility program	95
Viewing and changing settings	95
Using passwords	95
Password considerations	96
Power-On Password	96
Administrator Password	96
Hard Disk Password	96
Setting, changing, and deleting a password	96
Erasing lost or forgotten passwords (clearing CMOS)	97
Enabling or disabling a device	97
Selecting a startup device	98
Selecting a temporary startup device	98
Selecting or changing the startup device sequence	98
Enabling ErP compliance mode	98
ICE performance mode	99
ICE thermal alert	99
Exiting the Setup Utility program	100
Chapter 8. Updating system programs	101
Using system programs	101
Updating (flashing) the BIOS from a disc	101
Updating (flashing) the BIOS from your operating system	102
Recovering from a POST/BIOS update failure	102
Chapter 9. Preventing problems	103
Keeping your computer current	103
Getting the latest device drivers for your computer	103
Updating your operating system	103
Using System Update	104
Cleaning and maintenance	104
Basics	104
Cleaning your computer	105
Good maintenance practices	106
Moving your computer	107
Chapter 10. Troubleshooting and diagnostics	109
Basic troubleshooting	109
Troubleshooting procedure	110
Troubleshooting	110
Audio problems	111
CD problems	112
DVD problems	113
Intermittent problems	115
Keyboard, mouse, or pointing device problems	115
Monitor problems	117
Networking problems	118
Option problems	121
Performance and lockup problems	122
Printer problems	123
Serial port problems	124
Software problems	124
USB problems	125
Lenovo Solution Center	126
Chapter 11. Getting information, help, and service	127
Information resources	127
Lenovo ThinkVantage Tools	127
Lenovo Welcome	127
Help and Support	127
Safety and Warranty	127
Lenovo Web site	127
Lenovo Support Web site	128
Help and service	128
Using the documentation and diagnostic program	128
Calling for service	128
Using other services	129
Purchasing additional services	129
Appendix A. Notices	131
Trademarks	132
Appendix B. Regulatory information	133
Export classification 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
Appendix E. ENERGY STAR model information	143

Match case Limit results 1 per page

Figure 43. Removing the ExpressCard

6. Connect the new ExpressCard to the ExpressCard connector on the system board. Align the screw

holes in the new ExpressCard with the corresponding holes in the system board and then install the

four screws to secure the new ExpressCard to the system board.

What to do next:

•

To work with another piece of hardware, go to the appropriate section.

•

To complete the installation or replacement, go to “Completing the parts replacement” on page 73.

Replacing the heat sink and fan assembly for GPU

Attention:

Do not open your computer or attempt any repair before reading and understanding “Important safety information”

on page v.

This section provides instructions on how to replace the heat sink and fan assembly for GPU.

Note:

The heat sink and fan assembly for GPU is available only in models installed with the GPU.

CAUTION:

The heat sink and fan assembly for GPU might be very hot. Turn off the computer and wait three to

ﬁve minutes to let the computer cool before removing the computer cover.

To replace the heat sink and fan assembly for GPU, do the following:

1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect

all power cords from electrical outlets and disconnect all cables that are connected to the computer.

2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay

it down so that the screen is against the surface and the cover is facing up.

ThinkCentre User Guide