Lenovo ideapad 310 Hardware Maintenance Manual

Also see for ideapad 310: User guide Hardware Maintenance Manual

Lenovo ideapad 310-14ISK/ideapad 310-15ISK/ideapad 310 Touch-15ISK/ideapad 310-15ABR Hardware Maintenance Manual34This section presents exploded figures with the instructions to indicate how toremove and replace the FRU. Make sure to observe the following general rules:1. Do not attempt to service any computer unless you have been trained andcertified. An untrained person runs the risk of damaging parts.2. Before replacing any FRU, review “FRU replacement notices” on page 33.3. Begin by removing any FRUs that have to be removed before the failing FRU.Any of such FRUs are listed at the top of the page. Remove them in the orderin which they are listed.4. Follow the correct sequence in the steps to remove the FRU, as given in thefigures by the numbers in square callouts.5. When turning a screw to replace an FRU, turn it in the direction as given bythe arrow in the figure.6. When removing the FRU, move it in the direction as given by the arrow in thefigure.7. To put the new FRU in place, reverse the removal procedures and follow anyof the notes that pertain to replacement. For information about connectingand arranging internal cables, see “Locations” on page 68.8. When replacing an FRU, use the correct screw as shown in the procedures.Attention: After replacing an FRU, do not turn on the computer until you havemade sure that all screws, springs, and other small parts are in place and noneare loose inside the computer. Verify this by shaking the computer gently andlistening for rattling sounds. Metallic parts or metal flakes can cause electricalshort circuits.Attention: The system board is sensitive to, and can be damaged by, electrostaticdischarge. Before touching it, establish personal grounding by touching aground point with one hand or using an electrostatic discharge (ESD) strap(P/N 6405959) to remove potential shock reasons.Note: The illustrations used in this section are of the Lenovo ideapad 310-15ISK,unless otherwise stated.Removing and replacing an FRUDANGERBefore removing any FRU, turn off the computer, unplug all power cordsfrom electrical outlets, remove the battery pack, and then disconnect any ofthe interconnecting cables.