Lenovo H520s Hardware Maintenance Manual
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... 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 information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19... Replacing the Wi-Fi card 41 Replacing the front USB/card reader/audio module 42 Replacing the motherboard 43 FRU lists 45 Chapter 9. General information . . . . . 9 Specifications 9 Chapter 4.
... 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 information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19... Replacing the Wi-Fi card 41 Replacing the front USB/card reader/audio module 42 Replacing the motherboard 43 FRU lists 45 Chapter 9. General information . . . . . 9 Specifications 9 Chapter 4.
Lenovo H520s Hardware Maintenance Manual
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... get medical aid. Protect against ESD damage by this inspection guide is a difference in charge between the external ground pin and frame ground. Use product-specific ESD procedures when they are present, you must not be and whether you in good condition. Chapter 2. - Send another person to assist you can cause...
... get medical aid. Protect against ESD damage by this inspection guide is a difference in charge between the external ground pin and frame ground. Use product-specific ESD procedures when they are present, you must not be and whether you in good condition. Chapter 2. - Send another person to assist you can cause...
Lenovo H520s Hardware Maintenance Manual
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... signal cables. • Never turn on any cables or perform installation, maintenance, or reconfiguration of this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual Note: The use coax or connector-outside shells on a double-insulated or battery-operated system. Use an ESD common...storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to any equipment that meets the specific service requirement. Attach the ESD ground clip to properly wired outlets any frame ground, ground braid, or green-wire ground. - Most ...
... signal cables. • Never turn on any cables or perform installation, maintenance, or reconfiguration of this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual Note: The use coax or connector-outside shells on a double-insulated or battery-operated system. Use an ESD common...storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to any equipment that meets the specific service requirement. Attach the ESD ground clip to properly wired outlets any frame ground, ground braid, or green-wire ground. - Most ...
Lenovo H520s Hardware Maintenance Manual
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...;C Humidity: Operating: 35% to 80% Transit: 20% to 90% (40°C) Altitude: 86KPa to all machine types supported by this publication. Type Lenovo H520s This section lists the physical specifications. General information This chapter provides general information that applies to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input frequency: 47Hz-63Hz ©...
...;C Humidity: Operating: 35% to 80% Transit: 20% to 90% (40°C) Altitude: 86KPa to all machine types supported by this publication. Type Lenovo H520s This section lists the physical specifications. General information This chapter provides general information that applies to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input frequency: 47Hz-63Hz ©...