How can I tell what motherboard I have so I can buy a replacment. I have replaced the power supply and checked the on/off switch and it is good. I cant get the tower to power up. If I knew what number on the motherboard was the part number I could order another one.
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Re: computer will not power up
I attempted to find this information for you and was unable to. Usually the type/model of the motherboard in a prebuilt PC is determined by printed information located by the CPU/Memory slots.
The downside to most prebuilt PCs you buy in the store, is these motherboards are generic motherboards. Gateway orders them from a company that makes them in bulk specifically for their needs. You would be better off trying to buy a new motherboard that matches the specifications of your current one. Here is the specification page for this Gateway PC. You would need to find a new motherboard that matched most, if not all of these features. However, worst case scenario, you may consider contacting Gateway to find out if they still have this board and how much it would cost to buy or have them replace it.
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There must be a problem with your power switch on your computer casing, or motherboard or power supply.
Detach your power supply and try this, to check if your power supply really works. If the auxiliary fan will turn, your power supply is good
Testing your power supply and motherboard as seen on photo
If the cpu cooling fan and power supply did not turn the fan, but you have checked already the power supply that is working then you can conclude that your motherboard is need to be replace. But the power supply and motherboard and working, meaning to say your computer casing need to be replace or try fixing the contact of the switches attach to your casing.
Buy a new one and install it. You need something that is at least as powerful as the one you are replacing. And buy a decent name brand supply, don't go cheap your entire computer depends on what power supply you choose. Visit Hardware Revolution for an excellent writeup on choosing a new power supply. Before you take the old one out unplug the machine and press in the power on button for five seconds to drain what you can. Open the case and take pictures of where all the cables from the power supply insert into the mother board and video cards (if any) and sometimes a case fan will be clipped into the power supply as well. Remove the old one after grounding yourself to the case and install the new one. Power supplys are rated in Watts, the one pictured below is 810Watts/67.5Amps. Your supply will have a sticker similar to the one pictured below. Dell use the cheapest and lowest rated supplys they can get away with. Buy something better. If you replace the supply and the computer won't boot either the old supply was good and something else was fried or when it died it took out another component like the motherboard. Check if you have a loose stick of ram, any cable or cord or a card half out of it's slot. Try to reboot again. You may see a steady or blinking amber light on the motherboard that indicates a power problem with the motherboard or power supply. Look for bulged, loose or leaking components on the motherboard. Capacitors especially. Good luck!
When you open up the computer, do you see a light on the motherboard? The light will tell you if you are getting power to your motherboard from the power supply. To me it sounds like your power supply has failed. You can either contact Dell or Ebay to find a replacement.
Power supply failure is quite common and one of the most common reasons for computers failing to startup.
The replacement of a new power supply is a very easy task and should take no more than 5-10 minutes depending on skill level.. MOst power supplies in the smaller desktops do not require tools to change out. However it may have one or two philips screws holding it in place.
The power-supply is a "user-replacable" part,
but replacing the motherboard takes a lot more skill and care.
Take the computer to a qualified technician, and ask them to temporarily try a different power-supply. If it works, buy the power-supply, and pay the technician to remove the "dead" unit, and properly install the "new" unit.
had the same problem, its actually an issue with the motherboard, but just to eliminate that possibility, just get your computer power supply (you will find this inside the tower) checked first by a qualified technician
sounds like a burnt motherboard to me. Replace with similar MB that has same socket for processor and same slots for RAM. A decent MB will run you about $40-70 as long as it isn't a gaming system or something.
In addition to your power supply, your motherboard was also probably affected by the surge. Most surges do damage beyond the motherboard. The power supply is still supplying power to it, which is why the fan runs and power lights come on, but it probably isn't doing much more then that. You might want to start looking for a motherboard replacement. The best and most inexpensive place is www.tigerdirect.com.
Obviously you have tried change of power cord, move the pc to another power outlet or test the one you are plugged into with a desk lamp or hair drier or whatever.. Also, some pc's have an on/off switch at the back of the box, especially if it's a tower pc, check that first.
Now, do you have access to another PC? Because it's easier to check this web site out, to see how to replace the power supply.. If not, post here for more help. Rgds,