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Replacingtheinternalspeaker

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

onpagev.

Thissectionprovidesinstructionsonhowtoreplacetheinternalspeaker.

Toreplacetheinternalspeaker,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage55.

3.Locatetheinternalspeakerinthecomputer.See“Locatingpartsonthesystemboard”onpage12.

4.Removetheharddiskdriveassembly.See“Installingorremovingtheharddiskdriveassembly”on

page57.

5.Disconnecttheinternalspeakercablefromthesystemboard..

6.Releasetheinternalspeakercablefromtheretainingcliponthesideofthethermalmodulebracket.

Figure60.Releasingtheinternalspeakercable

Chapter5.Installingorreplacinghardware69

Default Chapter3
- Table of Contents3
Important Safety Information7
- Service and Upgrades7
- Static Electricity Prevention7
- Extension Cords and Related Devices8
- Power Cords and Power Adapters8
- External Devices9
- General Battery Notice9
- Plugs and Outlets9
- Heat and Product Ventilation10
- Rechargeable Battery Notice10
- Laser Compliance Statement11
- Operating Environment11
- Cleaning and Maintenance12
- Power Supply Statement12
Chapter 1. Product Overview13
- Features13
- Specifications16
- Lenovo Programs16
  - Accessing a Program on Your Computer16
  - An Introduction to Lenovo Programs17
- Locations19
  - Locating Connectors, Controls, and Indicators on the Front of Your Computer20
- Locating Connectors on the Rear of Your Computer21
Chapter 2. Using Your Computer27
- Frequently Asked Questions27
- Navigating Among Screens on the Windows 8 and Windows 8.1 Operating Systems27
  - Navigating on Windows 827
  - Navigating on Windows 8.129
- Accessing Control Panel on the Windows 8 or Windows 8.1 Operating System30
- Using Windows Shortcut Keys30
- Using the Wheel Mouse31
- Setting the Computer Volume31
- Adding an Icon to the Windows Notification Area31
- Using Cds and Dvds32
Chapter 3. You and Your Computer35
- Copyright Lenovo 2013, 201535
- Accessibility and Comfort35
- Registering Your Computer39
- Moving Your Computer to Another Country or Region39
Chapter 4. Security41
- Security Features41
- Attaching a Kensington-Style Cable Lock42
- Preventing Unauthorized Access to Your Computer42
- Using Fingerprint Authentication43
- Using and Understanding Firewalls43
- Protecting Data against Viruses43
Chapter 5. Installing or Replacing Hardware45
- Handling Static-Sensitive Devices45
- Installing or Replacing Hardware45
Chapter 6. Recovery Information95
- Recovery Information for the Windows 7 Operating System95
- Recovery Information for the Windows 8 or Windows 8.1 Operating System101
- Recovery Information for the Windows 10 Operating System102
Chapter 7. Using the Setup Utility Program105
- Starting the Setup Utility Program105
- Viewing and Changing Settings105
- Using BIOS Passwords105
- Selecting a Startup Device108
  - Selecting a Temporary Startup Device108
  - Selecting or Changing the Startup Device Sequence108
- Enabling Erp LPS Compliance Mode108
- ICE Performance Mode109
- ICE Thermal Alert109
- Exiting the Setup Utility Program110
Chapter 8. Updating System Programs111
- Using System Programs111
- Updating the BIOS111
- Recovering from a POST/BIOS Update Failure111
Chapter 9. Preventing Problems113
- Keeping Your Computer Current113
  - Getting the Latest Device Drivers for Your Computer113
  - Getting the Latest System Updates113
- Cleaning and Maintenance114
- Moving Your Computer116
Chapter 10. Troubleshooting and Diagnostics119
- Basic Troubleshooting119
- Troubleshooting Procedure120
- Troubleshooting121
- Lenovo Solution Center136
Chapter 11. Getting Information, Help, and Service137
- Information Resources137
- Help and Service138
Appendix A. Notices141
- Trademarks142
Appendix B. Regulatory Information143
- Export Classification Notice143
- Electronic Emissions Notices143
  - Federal Communications Commission Declaration of Conformity143
- Eurasian Compliance Mark145
- Brazil Audio Notice145
- Mexico Wireless-Radio Compliance Information145
- Additional Regulatory Information145
Appendix C. WEEE and Recycling Information147
- Important WEEE Information147
- Recycling Information for Japan147
- Recycling Information for Brazil148
- Battery Recycling Information for Taiwan148
- Battery Recycling Information for the European Union148
Appendix D. Restriction of Hazardous Substances Directive (Rohs)151
- European Union Rohs151
- China Rohs151
- Turkish Rohs151
- Ukraine Rohs152
- India Rohs152
Appendix E. China Energy Label153
Appendix F. ENERGY STAR Model Information155
Index157

Brand	Lenovo
Model	ThinkCentre M73 10AX
Category	Desktop
Language	English

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