last night we had a power outage, it
lasted 8 hours. The HP media center m7060n, is connected to a powers
surge protector, but today I tried to switch it on and nothing, not
even a light on the power switch. The back of the computer has a
flickering green light when the power cable is attached, this stops
eventually when that is removed. There is no movement from the fan or
noise at all when i do try to power up.
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It sounds like you have a board that is not booting at all. Remove everything from the board except the system RAM and CPU and switch it on. If it boots now, shut it down and then replace each individual item one at a time, booting the machine after each item is refitted/connected until you fit something that prevents the machine from booting. Pay special attention to system RAM sticks by removing them/it and refitting it as bad connections in the RAM socket can also cause a boot failure but removing and refitting the sticks usually cures this issue.
On HP computers, I believe that this means that the power supply or the motherboard is bad. I assume that the outage was due to the thunderstorm and you may have received a surge. In your manual, there should be diagnostic light codes where they will outline the exact meaning. Again, to the best of my knowledge, this means that there is a bad power supply or a motherboard.
OK FIRST A POWER SURGE PROTECTOR WILL ONLY PROTECT YOU 7 % OF THE TIME, WHICH YOU JUST REALIZED. SO YOU NEED TO BUY A BATTERY BACKUP ALSO KNOWN AS A UPS.... I CANNOT STRESS THIS ENOUGH. BRING YOUR PC TO BEST BUY AND THEY WILL TEST YOUR POWER SUPPLY, IF IT TESTS OUT OK THEN YOU BLEW SOMETHING IN YOUR MOTHERBOARD. GET A BATTERY BACKUPS/UPS!!!!!!!!!!!!!!!
if you can open your desktop..try to replace the ide cable of the DVD/Cdrom it might be deffective.before you open your pc just make sure that the power is off.after changing the ide cable of your dvd the system will automatically detect your drive.if you got same problem again try to consult your hardware vendor to claim your warranty parts and service.good luck