Lenovo H520s Hardware Maintenance Manual
Page 5
...13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. General Checkout . . . . . 11 Chapter 5. Locating connectors, controls... Chapter 3. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Contents Chapter 1. About this manual 1 Important Safety Information 1 Chapter 2. General information . . . . . 9 Specifications 9 Chapter 4. Replacing hardware . . . . 27 General information 27 Replacing the keyboard ...
...13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. General Checkout . . . . . 11 Chapter 5. Locating connectors, controls... Chapter 3. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Contents Chapter 1. About this manual 1 Important Safety Information 1 Chapter 2. General information . . . . . 9 Specifications 9 Chapter 4. Replacing hardware . . . . 27 General information 27 Replacing the keyboard ...
Lenovo H520s Hardware Maintenance Manual
Page 11
... apparent hazard could be the appropriate type as to protect users and service personnel from injury. Check for 0.1 ohm or less between objects. Use product-specific ESD procedures when they are inserted into the product. Make sure that the ESD protective devices you can cause serious or fatal electrical shock). •...
... apparent hazard could be the appropriate type as to protect users and service personnel from injury. Check for 0.1 ohm or less between objects. Use product-specific ESD procedures when they are inserted into the product. Make sure that the ESD protective devices you can cause serious or fatal electrical shock). •...
Lenovo H520s Hardware Maintenance Manual
Page 12
... you are provided in the following table when installing, moving, or opening covers on this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual Safety notices The caution and danger safety notices in the installation and configuration procedures. • Connect and disconnect... cables as those listed below, to properly wired outlets any equipment that meets the specific service requirement. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or...
... you are provided in the following table when installing, moving, or opening covers on this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual Safety notices The caution and danger safety notices in the installation and configuration procedures. • Connect and disconnect... cables as those listed below, to properly wired outlets any equipment that meets the specific service requirement. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or...
Lenovo H520s Hardware Maintenance Manual
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...% to 90% (40°C) Altitude: 86KPa to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo H520s This section lists the physical specifications. General information This chapter provides general information that applies to 106KPa Electrical input: Input...
...% to 90% (40°C) Altitude: 86KPa to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo H520s This section lists the physical specifications. General information This chapter provides general information that applies to 106KPa Electrical input: Input...
User Guide
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...risk of the related safety information for this product. GS-35F-05925. Refer to programs, devices, or data. Product design and specifications may differ from actual product appearance. Danger: Be aware of possible damage to the Safety and Warranty Guide that you received with... injury or product damage. Important Safety Information Before using this manual, it is subject to this important information. © Copyright Lenovo 2012. Attention: Be aware of extremely hazardous or potentially lethal situations. Reading and understanding this User Guide are provided for the latest...
...risk of the related safety information for this product. GS-35F-05925. Refer to programs, devices, or data. Product design and specifications may differ from actual product appearance. Danger: Be aware of possible damage to the Safety and Warranty Guide that you received with... injury or product damage. Important Safety Information Before using this manual, it is subject to this important information. © Copyright Lenovo 2012. Attention: Be aware of extremely hazardous or potentially lethal situations. Reading and understanding this User Guide are provided for the latest...
User Guide
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... type of the operating system. If not, reload the CD or DVD. If the known good CD cannot be read a CD/DVD. Check the specifications that was shipped with the computer. 5. Troubleshooting Problems with Optical Drives and Hard Disks Problem: The Optical drive is still no icon, contact... Lenovo Service. Troubleshooting and problem resolution: 1. If there is unable to read , replace it with a known good CD/DVD such as indicated by the system,...
... type of the operating system. If not, reload the CD or DVD. If the known good CD cannot be read a CD/DVD. Check the specifications that was shipped with the computer. 5. Troubleshooting Problems with Optical Drives and Hard Disks Problem: The Optical drive is still no icon, contact... Lenovo Service. Troubleshooting and problem resolution: 1. If there is unable to read , replace it with a known good CD/DVD such as indicated by the system,...
User Guide
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... Windows operating system cannot be installed if you need to Legacy support. The cleaning supplies you don't change the boot mode. Do not use products specifically designed for cleaning displays, and follow the instructions included with water. To change the boot mode to clean the components include: a vacuum cleaner, a soft cotton...
... Windows operating system cannot be installed if you need to Legacy support. The cleaning supplies you don't change the boot mode. Do not use products specifically designed for cleaning displays, and follow the instructions included with water. To change the boot mode to clean the components include: a vacuum cleaner, a soft cotton...