hello,i've just found this site,i hope someone can help me.i've got a presario s7390 and last night we had a power cut after the power came back on the p.c would not work,all i've got is a flashing light on the front and back of the computer it won't switch on at all.the monitor says there's no input.i'm no good at all when it comes to technical stuff i was just wondering if anyone out there might be able to help. thank you

Try unplugging the cord from the wall receptacle for about five minutes, plug it back in and try it.

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