computer, power adapter, and many accessories produce some heat during normal operation. Extended
contact with the body could cause discomfort or, potentially, a skin burn.
• Do not charge the battery or operate your computer, power adapter, or accessories near flammable
materials or in explosive environments.
• Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable
operation. These features might inadvertently become blocked by placing the product on a bed, sofa,
carpet, or other flexible surface. Never block, cover, or disable these features.
Inspect your desktop computer for dust accumulation at least once every three months. Before inspecting
your computer, turn off the power and unplug the computer's power cord from the electrical outlet; then
remove any dust from vents and perforations in the bezel. If you notice external dust accumulation, then
examine and remove dust from the inside of the computer including heat sink inlet fins, power supply vents,
and fans. Always turn off and unplug the computer before opening the cover. If possible, avoid operating
your computer within two feet of high-traffic areas. If you must operate your computer in or near a high-traffic
area, inspect and, if necessary, clean your computer more frequently.
For your safety and to maintain optimum computer performance, always follow these basic precautions with
your desktop computer:
• Keep the cover closed whenever the computer is plugged in.
• Regularly inspect the outside of the computer for dust accumulation.
• Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for
computers in dusty or high-traffic areas.
• Do not restrict or block any ventilation openings.
• Do not store or operate your computer inside furniture, as this might increase the risk of overheating.
• Airflow temperatures into the computer should not exceed 35°C (95°F).
• Do not install air filtration devices. They may interfere with proper cooling.
Electrical current safety information
DANGER
Electric current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
• Do not use your computer during a lightning storm.
• Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
• Connect all power cords to a properly wired and grounded electrical outlet.
• Connect properly wired outlets to any equipment that will be attached to this product.
• Whenever possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or structural damage.
• Disconnect the attached power cords, battery, and all the cables before you open the device
covers, unless instructed otherwise in the installation and configuration procedures.
• Do not use your computer until all internal parts enclosures are fastened into place. Never use
the computer when internal parts and circuits are exposed.
Appendix A. Important safety information
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Summary of Contents for 90NC007PUS
Page 1: ...User Guide Lenovo Legion Tower 5 28L 05 and Lenovo Legion R5 28L 05 ...
Page 4: ...ii User Guide ...
Page 6: ...iv User Guide ...
Page 8: ...Figure 2 Lenovo Legion R5 28L 05 1 Lenovo Legion logo LED indicator 2 User Guide ...
Page 9: ...Top Figure 3 Lenovo Legion Tower 5 28L 05 Chapter 1 Meet your computer 3 ...
Page 14: ...8 User Guide ...
Page 30: ...24 User Guide ...
Page 34: ...5 Remove the left side cover 6 Install the new left side cover 28 User Guide ...
Page 38: ...4 Open the tabs and remove the front bezel 32 User Guide ...
Page 40: ...5 Open the tabs and remove the back cover 34 User Guide ...
Page 52: ...3 Disengage the tabs on the memory modules 4 Remove the memory module 46 User Guide ...
Page 56: ...6 Install the new heatsink and fan 7 Screw in the heatsink mounting screws 50 User Guide ...
Page 57: ...8 Plug the fan power cable into the motherboard Chapter 5 CRU replacement 51 ...
Page 62: ...5 Open the latch 6 Remove the PCI Express card super holder screws 56 User Guide ...
Page 72: ...7 Remove the power supply assembly 8 Install the new power supply assembly 66 User Guide ...
Page 78: ...72 User Guide ...
Page 92: ...86 User Guide ...
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