Lenovo Safety and Warranty Guide V1.0.0
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Contents Chapter 1 Important safety information 1 Conditions that require immediate action 1 General safety guidelines 3 Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ...
Contents Chapter 1 Important safety information 1 Conditions that require immediate action 1 General safety guidelines 3 Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ...
Lenovo Safety and Warranty Guide V1.0.0
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...is approved to repair your documentation. Lenovo provides documentation with an ac power cord, always make sure that the power is turned off the computer and wait three to five minutes to let the computer cool before opening the cover. Upgrades typically are required for your computer ... when it is unplugged from any CRUs, turn off and that voltage levels inside a product are referred to as options. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the customer. General safety guidelines Always observe the following warnings...
...is approved to repair your documentation. Lenovo provides documentation with an ac power cord, always make sure that the power is turned off the computer and wait three to five minutes to let the computer cool before opening the cover. Upgrades typically are required for your computer ... when it is unplugged from any CRUs, turn off and that voltage levels inside a product are referred to as options. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the customer. General safety guidelines Always observe the following warnings...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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..., have this information available when requesting assistance from Service Support and Engineering functions. •• Machine type and model •• Processor or hard disk upgrades •• Failure symptom - Do diagnostics indicate a failure? - BIOS level •• Operating system software - Chapter 4. General Checkout 5.
..., have this information available when requesting assistance from Service Support and Engineering functions. •• Machine type and model •• Processor or hard disk upgrades •• Failure symptom - Do diagnostics indicate a failure? - BIOS level •• Operating system software - Chapter 4. General Checkout 5.
Lenovo H3 Series Safety and Warranty Guide
Page 4
Contents Chapter 1 Important safety information 1 Conditions that require immediate action 1 General safety guidelines 3 Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ...
Contents Chapter 1 Important safety information 1 Conditions that require immediate action 1 General safety guidelines 3 Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ...
Lenovo H3 Series Safety and Warranty Guide
Page 8
...Lenovo provides documentation with an ac power cord, always make sure that the power is turned off the computer and wait three to five minutes to as Customer Replaceable Units, or CRUs. You must closely follow all instructions when installing or replacing parts. Although there are no moving parts. Upgrades...do so by the customer. If you remove the covers from any questions or concerns, contact the Customer Support Center. Service and upgrades Do not attempt to service a product yourself unless instructed to reduce the risk of a power indicator does not necessarily mean that the...
...Lenovo provides documentation with an ac power cord, always make sure that the power is turned off the computer and wait three to five minutes to as Customer Replaceable Units, or CRUs. You must closely follow all instructions when installing or replacing parts. Although there are no moving parts. Upgrades...do so by the customer. If you remove the covers from any questions or concerns, contact the Customer Support Center. Service and upgrades Do not attempt to service a product yourself unless instructed to reduce the risk of a power indicator does not necessarily mean that the...