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Won't power on

I have a Gateway 500 Media Center, it was on a surge protector(but not the telephone line) it does not have any power when I tried to start it the day after a thunder storm. I tried a new power cord, everything else still works on the surge bar, I put in two power supplys(didn't do any thing) tried a new power button(it had stuck before) still nothing. The monitor has a black screen that said no signal. The only thing different was about a month ago I in stalled a range extender but everything had worked fine since. Any ideas would be appreciated.

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Have you checked if the outlet has power? If so That is not good because that means that the Power supply is shot, or some other component is shot. If it has no power reset the circuit breaker.

All The Best,
RCF

Posted on May 28, 2008

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It won 't turn on


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My Gateway Essential 450 won't turn back on from the front power switch. Where can I buy a new switch or is the problem something else?


This is where you can buy a new ATX power on switch,

http://www.axiontech.com/prdt.php?item=78201

The Power On switch is located inside the plastic Power On button assembly.

Age plus the heat developed inside the computer, have made the plastic of the Power On button assembly, brittle.

I suggest removing the Power On button assembly from the Front Panel.

(And disconnect the Power On switch cable from the motherboard.
BEFORE you do I suggest you make a drawing, and possibly some notes, as to where that cable's wires plug into the motherboard)

Computer unplugged from power, follow Anti-Static Precautions.

I would suggest using a hairdryer set to low heat, and moving the nozzle slowly back, and forth at the plastic until it slightly softens.
(Or you can use a bowl of VERY warm water. The switch is no good now anyway)

Is the problem something else?
It's either a bad Power On switch, or a bad Power Supply.

(Provided you are sure the surge protector is getting power, AND you have ensured that THE receptacle in the surge protector that the computer is plugged into, has power.

I have had a few surge protectors where just THAT receptacle was bad. Surge protector power LED light was on. Monitor, printer, and router had power. Just ONE receptacle was bad)

There is a simple test to perform to see which component is bad Power On switch, or Power Supply.
IF you do not know how, and wish to, please state in a Comment.

Regards,
joecoolvette

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1 Answer

I have a HP Compaq Presario Media Center computer, it is plugged to a surge protector, the other night the electricity went out and my computer was turned on, and now I cannot get it to turn on at all, the...


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yes it can be a problem... thats why it is advisable to buy telephone line surge protectors or disconnect the telephone cable connecting to DSL router.

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it is an internal problem,your SMPS (Switch Mode Power Supply unit) is gone bad,only by changing SMPS..your computer will turn on for sure,, thank you, Plz rate me...

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First thing to do is try to plug the pc in another wall socket to see if it goes on, If not, the MB could have gotten fried, even though the other plugs seem to work. Hopfully you just need another surge protector as that could have gotten damaged.

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sounds like the surge protector didn't protect. I would change the power supply.

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1 Answer

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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!!!!!!!!!!!!!!!

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