Lenovo 11GL002ACA User Manual

Plugs and outletsDANGERIf a receptacle (power outlet) that you intend to use with your computer equipment appears to bedamaged or corroded, do not use the outlet until it is replaced by a qualified electrician.Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain areplacement.Do not share an electrical outlet with other home or commercial appliances that draw largeamounts of electricity; otherwise, unstable voltage might damage your computer, data, or attacheddevices.Some products are equipped with a three-pronged plug. This plug fits only into a groundedelectrical outlet. This is a safety feature. Do not defeat this safety feature by trying to insert it into anon-grounded outlet. If you cannot insert the plug into the outlet, contact an electrician for anapproved outlet adapter or to replace the outlet with one that enables this safety feature. Neveroverload an electrical outlet. The overall system load should not exceed 80 percent of the branchcircuit rating. Consult an electrician for more information if you have questions about power loadsand branch circuit ratings.Be sure that the power outlet you are using is properly wired, easily accessible, and located close tothe equipment. Do not fully extend power cords in a way that will stress the cords.Be sure that the power outlet provides the correct voltage and current for the product you areinstalling.Carefully connect and disconnect the equipment from the electrical outlet.Power supply statementNever remove the cover on a power supply or any part that has the following label attached.Hazardous voltage, current, and energy levels are present inside any component that has this label attached.There are no serviceable parts inside these components. If you suspect a problem with one of these parts,contact a service technician.External devicesCAUTION:Do not connect or disconnect any external device cables other than Universal Serial Bus (USB) and1394 cables while the computer power is on; otherwise, you might damage your computer. To avoidpossible damage to attached devices, wait at least five seconds after the computer is shut down todisconnect external devices.Appendix A. Important safety information 69