Lenovo H3 Series Hardware Maintenance Manual V2.0
Page 15
..., 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? - Have the same adapters/attachments in the system 7. Is the failure repeatable? - General Checkout 5. Print (print screen...
..., 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? - Have the same adapters/attachments in the system 7. Is the failure repeatable? - General Checkout 5. Print (print screen...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
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 IdeaCentre B3 Safety and Warranty Guide V4.1
Page 8
... opening the cover. Before you have any questions or concerns, contact the Customer Support Center. Attention Before replacing any power source. Lenovo provides documentation with an ac power cord, always make sure that the product is unplugged from a product equipped with instructions when it...that the power is appropriate for customers to as Customer Replaceable Units, or CRUs. Upgrades typically are referred to install options or replace CRUs. Note: Some computer parts can be upgraded or replaced by the Customer Support Center or your documentation. The Off state of ...
... opening the cover. Before you have any questions or concerns, contact the Customer Support Center. Attention Before replacing any power source. Lenovo provides documentation with an ac power cord, always make sure that the product is unplugged from a product equipped with instructions when it...that the power is appropriate for customers to as Customer Replaceable Units, or CRUs. Upgrades typically are referred to install options or replace CRUs. Note: Some computer parts can be upgraded or replaced by the Customer Support Center or your documentation. The Off state of ...