Lenovo HORIZON 2s All-In-One PC Hardware Maintenance Manual


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...8226; Connect and disconnect cables as those listed below, to any cables or perform installation, maintenance, or reconfiguration of this product or attached devices. 6 Lenovo HORIZON 2s All-In-One PC Hardware Maintenance Manual To avoid a shock hazard: • Do not connect or disconnect any frame ground, ground braid, or green-wire ground. -..., telephone and communication cables is especially useful when handling ESD-sensitive devices. • Select a grounding system, such as described in the following table when installing, moving, or opening covers on AC-operated computers.