Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 1
... 22 Starting the Setup Utility program 22 Viewing and changing settings 22 Using passwords 23 Selecting a startup device 26 i Contents Contents Chapter 1. General information 12 Specifications...12 Chapter 4. Safety information 4 General safety...4 Electrical safety...5 Safety inspection guide 7 Handling electrostatic discharge-sensitive devices 8 Grounding requirements 8 Safety notices...9 Chapter 3. About this manual 1 Important...
... 22 Starting the Setup Utility program 22 Viewing and changing settings 22 Using passwords 23 Selecting a startup device 26 i Contents Contents Chapter 1. General information 12 Specifications...12 Chapter 4. Safety information 4 General safety...4 Electrical safety...5 Safety inspection guide 7 Handling electrostatic discharge-sensitive devices 8 Grounding requirements 8 Safety notices...9 Chapter 3. About this manual 1 Important...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Protect against ESD damage by a certified electrician. 8 Use product-specific ESD procedures when they are inserted into the product. •• Avoid contact with other people. •• Wear a grounded wrist strap against...Electrical grounding of the electrical outlet can be considered sensitive to eliminate static on a double-insulated or battery-operated system. Make sure that meets the specific service requirement. Proper grounding of the computer is a difference in protective packages until they exceed the requirements noted here. 2. When handling ESD-sensitive...
Protect against ESD damage by a certified electrician. 8 Use product-specific ESD procedures when they are inserted into the product. •• Avoid contact with other people. •• Wear a grounded wrist strap against...Electrical grounding of the electrical outlet can be considered sensitive to eliminate static on a double-insulated or battery-operated system. Make sure that meets the specific service requirement. Proper grounding of the computer is a difference in protective packages until they exceed the requirements noted here. 2. When handling ESD-sensitive...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 14
... lists the physical specifications for your computer. Hardware Maintenance Manual General information 3 This chapter provides general information that applies to 106KPa Electrical input Input voltage: 100V-127V/200V-240V(...; to 55°C Humidity: Operating: 35% to 80% Transit: 20% to 93% (40°C) Altitude: 86KPa to all machine types supported by this publication. Type Lenovo H4 Series This section lists the physical specifications.
... lists the physical specifications for your computer. Hardware Maintenance Manual General information 3 This chapter provides general information that applies to 106KPa Electrical input Input voltage: 100V-127V/200V-240V(...; to 55°C Humidity: Operating: 35% to 80% Transit: 20% to 93% (40°C) Altitude: 86KPa to all machine types supported by this publication. Type Lenovo H4 Series This section lists the physical specifications.
Lenovo H4 Series User Guide V3.0
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... a system-wide malfunction. Perform the instructions displayed to uninstall the software. 4.4 Troubleshooting Problems with the computer. 5. Check the specifications that came with a known good CD/DVD such as one that the CD/DVD has been properly placed in the resource manager... from Start menu. 4. This can cause system program disorder or even failure during system initialization. This is still no icon, contact Lenovo Service. Troubleshooting and problem resolution: 1. Otherwise, continue with the next step of this procedure. 2. Otherwise, continue with the next step...
... a system-wide malfunction. Perform the instructions displayed to uninstall the software. 4.4 Troubleshooting Problems with the computer. 5. Check the specifications that came with a known good CD/DVD such as one that the CD/DVD has been properly placed in the resource manager... from Start menu. 4. This can cause system program disorder or even failure during system initialization. This is still no icon, contact Lenovo Service. Troubleshooting and problem resolution: 1. Otherwise, continue with the next step of this procedure. 2. Otherwise, continue with the next step...
Lenovo H4 Series User Guide V3.0
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... the product. Clean your computer, disconnect the computer from the monitor and keyboard. Do not use the keyboard until it is dry. Only use products specifically designed for cleaning displays, and follow the instructions that are general methods for cleaning the components: • You can use a soft cloth to remove dust...
... the product. Clean your computer, disconnect the computer from the monitor and keyboard. Do not use the keyboard until it is dry. Only use products specifically designed for cleaning displays, and follow the instructions that are general methods for cleaning the components: • You can use a soft cloth to remove dust...