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Solutions: 1. Make sure power cable is securely plugged in. 2. Replace cable. 3.Contact technical support. 4.Use different socket, repair outlet, reset circuit breaker or replace fuse. Problem 2: System inoperative. Keyboard lights are on, power indicator lights are lit, hard drive is active but system seems “hung” Causes: Memory DIMM is partially dislodged from the slot on the mainboard. Solutions: 1. Power Down 2. Using even pressure on both ends of the DIMM, press down firmly until the module