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Lenovo ThinkStation P900 (English) User Guide - ThinkStation P900 (type 30A4 a - Page 135

Replacing the rear fan assembly, Notes, What to do next, Attention, CAUTION

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Notes: • You might have to gently twist the heat sink and fan assembly to free it from the microprocessor. • Do not touch the thermal grease while handling the heat sink and fan assembly. 9. To install the new heat sink and fan assembly, position the new heat sink and fan assembly on the system board so that the four screws are aligned with the holes on the system board. Note: Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is toward the heat-sink-and-fan-assembly connector on the system board. 10. Follow the following sequence to install the four screws to secure the new heat sink and fan assembly. Do not over-tighten the screws. a. Partially tighten screw 1 , then fully tighten screw 2 , and then fully tighten screw 1 . b. Partially tighten screw 3 , then fully tighten screw 4 , and then fully tighten screw 3 . 11. Connect the cable of the new heat sink and fan assembly to the system board. See "Locating parts on the system board" on page 5. 12. Reinstall the direct cooling air baffle. See "Removing and reinstalling the direct cooling air baffle" on page 94. 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 125. Replacing the rear fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the "Read this first: Important safety information" on page v. CAUTION: Hazardous moving parts. Keep fingers and other body parts away. To replace the rear fan assembly, 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. Remove the computer cover. See "Removing the computer cover" on page 77. 3. Remove the direct cooling air baffle. See "Removing and reinstalling the direct cooling air baffle" on page 94. 4. Locate the rear fan assembly. See "Locating components" on page 4. Chapter 9. Installing or replacing hardware 123

Section	Page
Read this first: Important safety information	7
Before using this manual	7
Service and upgrades	7
Static electricity prevention	8
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
Laser compliance statement	10
Power supply statement	11
Cleaning and maintenance	11
Chapter 1. Product overview	13
Locations	13
Locating connectors, controls, and indicators on the front of your computer	14
Locating connectors on the rear of your computer	15
Locating components	16
Locating parts on the system board	17
Locating internal drives	19
Locating the machine type and model label	21
Features	21
Specifications	25
Lenovo programs	25
Accessing Lenovo programs on the Windows 7 operating system	25
Accessing Lenovo programs on the Windows 8.1 operating system	26
An introduction to Lenovo programs	26
Chapter 2. Using your computer	29
Registering your computer	29
Using keyboard shortcuts	29
Using the fingerprint reader	30
Using the wheel mouse	30
Managing power	30
Advanced configuration and power interface (ACPI) BIOS	31
Automatic Power-on features	31
Setting the computer volume	31
Setting the volume from the desktop	31
Setting the volume from Control Panel	32
Using a disc	32
Using the optical drive	32
Handling and storing a disc	33
Playing and removing a disc	33
Recording a disc	33
Navigating among screens on the Windows 8.1 operating system	34
Accessing Control Panel on the Windows 8.1 operating system	35
Frequently asked questions	35
Chapter 3. You and your computer	37
Accessibility and comfort	37
Arranging your workspace	37
Comfort	37
Glare and lighting	38
Air circulation	38
Electrical outlets and cable lengths	38
Accessibility information	38
Moving your computer to another country or region	42
Chapter 4. Security	43
Security features	43
Locking the computer cover	43
Attaching a Kensington-style cable lock	45
Using passwords	45
BIOS passwords	45
Windows passwords	46
Configuring the fingerprint reader	46
Using and understanding firewalls	46
Protecting data against viruses	46
Chapter 5. Advanced configuration	49
Using the Setup Utility program	49
Starting the Setup Utility program	49
Viewing and changing settings	49
Using BIOS passwords	50
Enabling or disabling a device	51
Selecting a startup device	52
Enabling ErP LPS compliance mode	52
Exiting the Setup Utility program	53
Updating or recovering the BIOS	53
BIOS levels	53
Using system programs	54
Changing the BIOS settings before installing a new operating system	54
Updating the BIOS from a disc	54
Updating the BIOS from your operating system	55
Recovering from a BIOS update failure	56
Configuring RAID	56
Configuring RAID with Intel RSTe	56
Quick RAID setup using the LSI MegaRAID BIOS configuration utility	59
Chapter 6. Preventing problems	63
Keeping your computer current	63
Getting the latest device drivers for your computer	63
Updating your operating system	63
Using the System Update program	64
Cleaning and maintenance	64
Basics	64
Cleaning your computer	64
Good maintenance practices	65
Moving your computer	66
Chapter 7. Troubleshooting and diagnostics	67
Basic troubleshooting	67
Troubleshooting procedure	68
Troubleshooting	68
Audio problems	69
CD problems	69
DVD problems	70
Intermittent problems	71
Hard disk drive problems	71
Problems with the keyboard or mouse	72
Monitor problems	73
Networking problems	74
I have connected an option to my computer, but it does not work	75
Performance and lockup problems	75
The printer does not work	76
Serial connector cannot be accessed	76
Software problems	77
My USB connectors cannot be accessed	77
Diagnostics	77
Lenovo Solution Center	78
Hardware diagnostics	78
Chapter 8. Recovery information	81
Recovery information for the Windows 7 operating system	81
Creating and using recovery media	81
Performing backup and recovery operations	82
Creating and using a rescue medium	84
Reinstalling programs and device drivers	84
Solving recovery problems	86
Recovery information for the Windows 8.1 operating system	86
Refreshing your computer	86
Resetting your computer to the factory-default settings	86
Using the advanced startup options	87
Recovering your operating system if Windows 8.1 fails to start	87
Chapter 9. Installing or replacing hardware	89
Handling static-sensitive devices	89
Installing or replacing hardware	89
Installing external options	89
Removing the computer cover	89
Installing or replacing an internal storage drive	90
Replacing the cover presence switch (intrusion switch)	104
Removing and reinstalling the direct cooling air baffle	106
Removing and installing a device in an optical drive bay	108
Removing and reinstalling the multi-function brackets	110
Replacing the front fan assemblies	112
Replacing the power supply assembly	113
Replacing the battery	115
Installing or replacing a flex adapter	116
Installing or replacing a PCI card	120
Installing or replacing a full-length PCI Express card	125
Installing or replacing a memory module	131
Replacing the heat sink and fan assemblies	133
Replacing the rear fan assembly	135
Replacing the keyboard or mouse	137
Completing the parts replacement	137
Chapter 10. Getting information, help, and service	139
Information resources	139
Lenovo ThinkVantage Tools	139
Help and Support	139
Safety and Warranty	139
Lenovo Web site	139
Lenovo Support Web site	140
Help and service	140
Using the documentation and diagnostic program	140
Calling for service	140
Using other services	141
Purchasing additional services	141
Chapter 11. System memory speed	143
Appendix A. Regulatory information	145
Export classification notice	145
Electronic emissions notices	145
Federal Communications Commission Declaration of Conformity	145
Eurasian compliance mark	147
Brazil regulatory notice	147
Mexico regulatory notice	147
Additional regulatory information	147
Appendix B. WEEE and recycling information	149
Important WEEE information	149
Recycling information for Japan	149
Recycling information for Brazil	150
Battery recycling information for Taiwan	150
Battery recycling information for the European Union	150
Appendix C. Restriction of Hazardous Substances Directive (RoHS)	153
European Union RoHS	153
China RoHS	153
Turkish RoHS	153
Ukraine RoHS	154
India RoHS	154
Appendix D. ENERGY STAR model information	155
Appendix E. Notices	157
Trademarks	158

Match case Limit results 1 per page

Notes:

• You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.

• Do not touch the thermal grease while handling the heat sink and fan assembly.

9. To install the new heat sink and fan assembly, position the new heat sink and fan assembly on the

system board so that the four screws are aligned with the holes on the system board.

Note:

Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is

toward the heat-sink-and-fan-assembly connector on the system board.

10. Follow the following sequence to install the four screws to secure the new heat sink and fan assembly.

Do not over-tighten the screws.

a. Partially tighten screw

, then fully tighten screw

, and then fully tighten screw

b. Partially tighten screw

, then fully tighten screw

, and then fully tighten screw

11. Connect the cable of the new heat sink and fan assembly to the system board. See “Locating parts on

the system board” on page 5.

12. Reinstall the direct cooling air bafﬂe. See “Removing and reinstalling the direct cooling air bafﬂe”

on page 94.

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 125.

Replacing the rear fan assembly

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Read

this ﬁrst: Important safety information” on page v.

CAUTION:

Hazardous moving parts. Keep ﬁngers and other body parts away.

To replace the rear fan assembly, 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. Remove the computer cover. See “Removing the computer cover” on page 77.

3. Remove the direct cooling air bafﬂe. See “Removing and reinstalling the direct cooling air bafﬂe”

on page 94.

4. Locate the rear fan assembly. See “Locating components” on page 4.

Chapter 9

Installing or replacing hardware

123