28 Chapter 3Power On IssueIf the system doesn’t power on, perform the following actions one at a time to correct the problem. Do notreplace non-defective FRUs:The Graphics Dock Shuts Down IntermittentlyIf the system powers off at intervals, perform the following actions one at a time to correct the problem.1. Check the power cable is properly connected to the graphics dock and the electrical outlet.2. Remove any extension cables between the graphics dock and the outlet.3. Remove any surge protectors between the graphics dock and the electrical outlet. Plug the graphics dockdirectly into a known good electrical outlet.4. Remove all external and non-essential hardware connected to the graphics dock that are not necessary tothe graphics dock.5. If the Issue is still not resolved, see see “Online Support Information” on page 43.Swap M/BStartCheckLasso cableSwap LassocableOKNGCheck ACadapter Swap ACadapterOKNGCheck USB/BLED light onor offCheck M/BpowerNGOKStartCheckLasso cableSwap LassocableOKNGCheck ACadapter Swap ACadapterOKNGCheck USB/BLED light onor offCheck M/BpowerNGOK