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One bad/faulty lead can cause a computer with lots of problems replace all the leads that attach to your hard drive including electrical extensions + IDE,SATAthe ones that attach from your motherboard to hard drive make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ? hope this helps
The Dell 725 printer power cord does NOT plug in to the tower. The Video Cable, on the other hand, plugs in to the tower's video output. Look for a connector like the one from the printer (often USB these days) to plug it in to the computer. There was a diagram that came with the computer that showed how to do all the connections, and the Power Cord does NOT plug in to the tower. USB connections are in various locations on your computer's tower, in the back and sometimes in the front too.
not powering up does not mean the mother board is bad , the power supply going bad is more likely to be the problem . But your tower is considered to be a mini tower ive got the same one that I replaced the mother board on . dont mess up and get the wrong size board , it will not fit!
Geeze, after working on hardware for 27 years i love the short circut dummie. Anyway yes, it's the motherboard / yes the green light will still come on on that model and quite a few other models. Dont worry about repairing / i.e. removing components on the motherboard, it's a fruitless endevor but a great way to waste time. A motherboard for that model will cost about 100-150 bucks / easy replacement. It's actually rare for both the power supply and mother board to go out on a tower/mini tower type system. Older laptops had that type of prob. Those emachines were **** for the mostet part. On the other hand Gateway has really gone up in quality and i have been quite impressed with them in the last few years...
Hi, first thing to check is the wall power outlet, plug your lead into a diferent outlet or plug a light into the same outlet to test the power.
If this doe's not fix the problem then remove the left hand side cover from your case, turn the power on and see if you have a red or green led light on the motherboard.
If you dont see this then your power supply has failed. If you see a light on your mother board and feel able then trace the wires from your on/off switch and unplug them and bridge them with a screwdriver to see if this starts your computer. if so then the front switch is dead. You would then need to replace the switch.
Good luck, mistyman
The manual you need will be on the board manufacturers web page, howevr I will bet you have the case power switch and perhaps the reset switch on the wrong pins on the mother board. To check this, remove the switch leads from the mother board, then use a small screw driver and bridge the pins on the mother board a pair at a time. All of these leads plug on to the board in a line and not across the two lines of pins. when you get the mother board to fire up by this method geet a torch and look closely alongside the pins you will see the letters PWR SW or RS SW. It does not matter what polarity these two sets of leads are plugged onto both will work. The LED lights on the case front will only work if the polarity is correct but it will not do any harm if they are backwords. On the board you should se two sets of pins marked HDD and PWR these are the led light pins you will know you have them right when the usual red and green lights are working at the front of your tower.