Our computer has been shutting off intermittintly on its own. I cannot restart it or even shut it off by holding in the power button.. the only way to restart was to shut the power to the computer and then plug it back in. Now we cannot even turn it on. We called Gateway support and they sent us directions on how to test if it is the power supply or motherboard. It appears to be the power supply. Where can we find one (preferably at a store rather than internet in case we have to return it)? Does it have to be the same Wattage, and how do we find one to fit in the same space?
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unplug power supply take out battery hold power button for 30 seconds with battery out reconnect power supply without battery press power button if restarts correctly log off shut down disconnect power supply reinstall battery and power supply try again
I had an Emachines W3609 that did the same thing, I changed the 350-watt power supply with a 550-watt and it still shut off, even using the newer one. I thought just the first one was bad but I guess not. It had more than enough power to power it up but nothing. And it used to randomly restart at times and then just shut off. Try and get a new hard drive maybe that will help. Good luck!
One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive
Test all leads that attach to your hard drive power and data cables IDE SATA the leads from yourMOTHERBOARD TO YOUR HARD DRIVEmake sure they have a secure dust free connections and are not faulty or just replace them they could be faulty
If I am reading the frist part of your stament correctly, the power supply does not even kick on when you press the power button. Don not unplug anything from the inside of the computer at this time, instead check your power cord and make sure it is plugged in thightly to both the computer and power strip. Check to make sure the power strip is on, plug something else (like a light) and test the power strip. If the item does not come on, then you may have a bad power strip. To confirm plug the item you are testing with into the outlet the power strip is plugged in to and see if it works. If not your outlet may be bad, contact an electrician. If everything works, but the power supply is still not kicking on, you possibly have a bad power supply. You will need to pick up a replacement power supply and install it in the computer. This is were you unplug everything wire bundle that comes from the power supply to the mother board (paying attention to what was plugged in where). Take the new power supply, install it, plug everything back in. Now try the power button. If this fails then yes you have a bad mother board.
I know most computer retailers that offer repairs, have a device to check the power supply. A good repair place will check this at little or no cost to you, if you agree to let them install the replacement if it is bad (they will charge you for the power supply and installation of it).
Remove the main battery and power on, in some cases the battery will shut the computer down, failing that! the power supply charger will need to be checked for proper voltage, the other issue I come across is a bad DC jack in the laptop, it breaks free from the motherboard making it none usuable, the unit will need to be taken apart for repair, The final possibility is bad ram, swap out one at a time see if it will restart.
It sounds like it's overheating, check your fans make sure all are working, if your fans are all working then your power supply is overheating and should be replaced. If your system is a laptop the battery can overheat also and shut the system down. So you can have different issues dependent on laptop to desktop.
first try this unplug your computer for half an hour then plug it back in if that is to no success then try the following if your brave.
(although the voltage inside a computer is only 12 volt it can still give you a shock)
if you very carefully take the side off the computer you may need a screw driver to do it you should notice a small led light on the main board (backboard) when the computer is plugged into mains power it should glow if it does not glow then most likely there is a power supply unit problem, if it does glow then most likely a critical main board fault has occurred and the computer should be taken to a specialist computer dealer to get it checked out
Try holding the power button for about 6 seconds until it shuts down. Typically, when the light is fading in and out it is in standby mode.
If that doesn't work and even after unplugging it - you may have a bad power supply and need a new one (that's the unit that the power cord plugs into and has a fan that always spins).
Hope this helps!
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