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!
Hi, we have ways why computer restart, 1. the power supply can not drive it, so replace your power supply, good if you have voltage regulator. 2. Swap memory chips from good one.3. Check if capacitor in *********** board is bloated.
* leaking/bad capacitors on the motherboard, not doing their job, i.e., causing voltage fluctuations that the motherboard cannot tolerate;
* dead disk-drive -- cannot boot Windows from a "dead" drive;
* dead CPU -- cannot do anything other than power on/off;
* failing power-supply -- not supplying correct voltages to the motherboard.
Take the laptop to a qualified computer technician, for professional trouble-shooting, and probably a replacement of the motherboard. But, it might be less expensive to "salvage" the disk-drive (and your files) from the laptop, and to buy a new laptop, than it would be to buy a replacement motherboard, and pay for installation.
Did you test the power supply with a power supply tester? You may only have partial power or very low power. I would try a power supply from another pc, Then I would check the ram in another pc if possible one stick at a time or if no other machine : I would try removing all the ram and try one stick at a time in a different slot each time till it boots and then try a different stick the same way. You could have a bad memory stick and or slot. I think its the power supply first, a bad stick of ram second or a bad ram slot third and the motherboard last. I would try all my parts in another pc first before a buy another motherboard
In my opinion Motherboard issue, but I can't assure, it could also be the Power supply, as bad power supply could cause the motherboard mal-function and is causing the hard drive failure. If the motherboard is under warranty, you better get a replacement than wasting another Hard drive, and I hope it's better for you to replace the power supply as well, you'll spend less buying a 450watt power supply than buying a new 500gb hard disk.
Also make sure the cabinet is properly fitted and the ground is working without any problem, you can check this by using a tester (screw driver tester) after it's connected to the mains, or you can try with your hand (it'll not kill you :-], but I don't recommend if you have a screwdriver with tester).
Hello khems71, hi your PC problem is caused by a faulty power supply box, or worst you motherboard, buy try first to replace your Power Supply box, DOUBLE Check also your connections on your motherboard.
Since you didn't tell us your model i must assume it's an tower with standard ATX power source. Buy a new one from a different location - any computer shop will have them, just make sure you buy one with enough power. A 450W one will be just right.