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Lenovo ThinkStation P300 (English) User Guide - Tower Form Factor - Page 96

Replacing the heat sink and fan assembly

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3. Disconnect the power supply assembly cables from the system board and all drives. See "Locating parts on the system board" on page 6. 4. Release the power supply assembly cables from the cable clips and ties in the chassis. 5. Lay the computer on its side and remove the four screws at the rear of the chassis that secure the power supply assembly. Figure 28. Removing the screws for the power supply assembly 6. Slide the power supply assembly to the front of the computer and then lift it out of the chassis. 7. Ensure that the new power supply assembly is the correct replacement. 8. Install the new power supply assembly into the chassis so that the screw holes in the power supply assembly align with those in the chassis. 9. Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo. 10. Reconnect the power supply assembly cables to the system board and each of the drives. 11. Secure the power supply assembly cables with the cable clips and ties in the chassis. 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 111. Replacing the heat sink and 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: The heat sink and fan assembly 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, 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. 84 ThinkStation P300 User Guide

Section	Page
Read this first: 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
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	17
Locating parts on the system board	18
Locating internal drives	19
Machine type and model label	20
Features	20
Specifications	24
Lenovo programs	24
Accessing Lenovo programs on the Windows 7 operating system	24
Accessing Lenovo programs on the Windows 8.1 operating system	25
An introduction to Lenovo programs	26
Chapter 2. Using your computer	29
Registering your computer	29
Using keyboard shortcuts	29
Using the fingerprint reader	29
Using the wheel mouse	30
Setting the computer volume	30
Setting the volume from the desktop	31
Setting the volume from Control Panel	31
Using a disc	31
Using the optical drive	31
Handling and storing a disc	32
Playing and removing a disc	32
Recording a disc	33
Navigating among screens on the Windows 8.1 operating system	33
Accessing Control Panel on the Windows 8.1 operating system	34
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
Voltage-selection switch	42
Replacement power cords	42
Chapter 4. Security	43
Security features	43
Locking the computer cover	43
Attaching a Kensington-style cable lock	45
Attaching a 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. 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
ICE performance mode	53
ICE thermal alert	53
Exiting the Setup Utility program	54
Updating or recovering the BIOS	54
Using system programs	54
Updating the BIOS from a disc	55
Updating the BIOS from your operating system	56
Recovering from a BIOS update failure	56
Configuring RAID	56
RAID Level	56
Configuring the system BIOS to enable SATA RAID functionality	57
Creating RAID volumes	57
Deleting RAID volumes	57
Resetting disks to non-RAID	58
Chapter 6. Preventing problems	59
Keeping your computer current	59
Getting the latest device drivers for your computer	59
Updating your operating system	59
Using System Update	60
Cleaning and maintenance	60
Basics	60
Cleaning your computer	60
Good maintenance practices	61
Moving your computer	62
Chapter 7. Troubleshooting and diagnostics	63
Basic troubleshooting	63
Troubleshooting procedure	64
Troubleshooting	64
Audio problems	65
CD problems	65
DVD problems	66
Intermittent problems	67
Problems with the keyboard or mouse	67
Monitor problems	68
Networking problems	69
I have connected an option to my computer, but it does not work	71
Performance and lockup problems	71
The printer does not work	72
Serial connector cannot be accessed	72
Software problems	72
My USB connectors cannot be accessed	73
Lenovo Solution Center	73
Chapter 8. Recovery information	75
Recovery information for the Windows 7 operating system	75
Creating and using recovery media	75
Performing backup and recovery operations	76
Creating and using a rescue medium	78
Reinstalling programs and device drivers	78
Solving recovery problems	80
Recovery information for the Windows 8.1 operating system	80
Refreshing your computer	80
Resetting your computer to the factory default settings	80
Using the advanced startup options	81
Recovering your operating system if Windows 8.1 fails to start	81
Chapter 9. Installing or replacing hardware	83
Handling static-sensitive devices	83
Installing or replacing hardware	83
Installing external options	83
Removing the computer cover	83
Removing and reinstalling the front bezel	84
Installing or replacing a PCI card	85
Installing or replacing a memory module	88
Installing or replacing a device in the optical drive bay	90
Replacing the front audio and USB assembly	93
Replacing the battery	94
Replacing the power supply assembly	95
Replacing the heat sink and fan assembly	96
Installing or replacing the solid-state drive	98
Installing or replacing the mSATA solid-state drive	102
Replacing the primary hard disk drive	105
Replacing the secondary hard disk drive	107
Installing the tertiary hard disk drive	108
Replacing the front fan assembly	112
Replacing the rear fan assembly	113
Replacing the Wi-Fi units	114
Installing or removing the rear Wi-Fi antenna	119
Installing or removing the front Wi-Fi antenna	121
Replacing the keyboard or mouse	122
Completing the parts replacement	123
Chapter 10. Getting information, help, and service	125
Information resources	125
Lenovo ThinkVantage Tools	125
Help and Support	125
Safety and Warranty	125
Lenovo Web site	125
Lenovo Support Web site	126
Help and service	126
Using the documentation and diagnostic program	126
Calling for service	126
Using other services	127
Purchasing additional services	127
System memory speed	129
Appendix A. Regulatory information	131
Export classification notice	131
Electronic emissions notices	131
Federal Communications Commission Declaration of Conformity	131
Eurasian compliance mark	133
Brazil regulatory notice	133
Mexico regulatory notice	133
Additional regulatory information	133
Appendix B. WEEE and recycling information	135
Important WEEE information	135
Recycling information for Japan	135
Recycling information for Brazil	136
Battery recycling information for Taiwan	136
Battery recycling information for the European Union	136
Appendix C. Restriction of Hazardous Substances Directive (RoHS)	139
European Union RoHS	139
China RoHS	139
Turkish RoHS	139
Ukraine RoHS	140
India RoHS	140
Appendix D. ENERGY STAR model information	141
Appendix E. Notices	143
Trademarks	144

Match case Limit results 1 per page

3. Disconnect the power supply assembly cables from the system board and all drives. See “Locating

parts on the system board” on page 6.

4. Release the power supply assembly cables from the cable clips and ties in the chassis.

5. Lay the computer on its side and remove the four screws at the rear of the chassis that secure the

power supply assembly.

Figure 28. Removing the screws for the power supply assembly

6. Slide the power supply assembly to the front of the computer and then lift it out of the chassis.

7. Ensure that the new power supply assembly is the correct replacement.

8. Install the new power supply assembly into the chassis so that the screw holes in the power supply

assembly align with those in the chassis.

9. Install and tighten the four screws to secure the power supply assembly.

Note:

Use only screws provided by Lenovo.

10. Reconnect the power supply assembly cables to the system board and each of the drives.

11. Secure the power supply assembly cables with the cable clips and ties in the chassis.

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 111.

Replacing the heat sink and 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:

The heat sink and fan assembly 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, 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.

ThinkStation P300 User Guide