Emachine T2824 will not power on...green lite on m/b on.
I just unplugged my sons computer because i purchased a replacement. I carried it gently down stairs for my daughter to use. I plugged it in and nothing happend. I can hear a sort of high pitched buzzing sound from the back by the plug. I opened it up to see if all the connections are secure. I can see a green led lit up on which I think is the motherboard. I used a screwdriver to jump the power switch pins that didn't work either. Help
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Re: Emachine T2824 will not power on...green lite on m/b...
If you plugged it in and nothing happens please don't make sticking a screwdriver in it normal practice.:) It sounds like your power supply went out. It is a normal part you can pick up at any computer parts store. I would take the old one out of the case and get all the numbers off of it and replace it. Before you do that however look in the computer one more time and make sure the motherboard is plugged in. It will be a big rectangle plug. Most of the time it is white.
You can get the power supply out by taking four or five screws out of the back of the computer. This link will walk you through the process one step at a time.
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Remove cmos battery and then replace it after 3 mins or so, Try rebooting If no luck, remove ram modules one at a time and retest unplug all but hdd and power connector to mobo, cpu and hard drive and retest.
failing that, could be a surge of electricity has damaged your mobo
gtater, It's ironic that you ask me this question today-- i am just now carrying in another eMachine computer to fix. Anyway, unfortunately I do not have one that is the same model as yours (T2742). However, I did some quick research and found that yours has the same exact motherboard as the T2898 which I made the diagram for!
The following eMachine models share the same motherboard (and thus the same front panel layout): T2742 T2796 T2798 T2824 T2885 D2823 T2862 T2896 T2898 T2958
For further reference, I would like to share this diagram for the eMachines T6544 in case someone else may need this model. This is the computer I just carried in... might as well share.
By the way, the power switch doesn't need to be oriented any particular way (positive and negative), which is why the switches are not labeled as + or -. Switches can be wired either way and they will work the same.
There are just too many eMachine models to be familiar with every one, however, as a preliminary inspection, remove the side panel, and turn the computer on to see if you see a green "Health" light. This will give you an initial clue as to how to pursue the problem. eMachines have historically had power supply problems. If you do not see a green health light on the motherboard, then your power supply is defective. A power supply supplies various voltages + - 5V, + - 12V ,etc. A power supply can be easily tested by a local shop with the proper test equipment. You might start there if you are a DIY! Short of that, you can purchase a power supply for under $65.00.
if it is powering off like that it usually means that the mobo is bad, look at the capacitors on the mobo. if any of the tops are raised or corroding, it needs replaced. also if you see any part of the motherboard that is darker or orange, it is from a lot of heat, which means that parts may have gotten too hot and melted.
usually for an emachine, the mobo's are usually more than the unit is worth. best solutiong would be to get ready to invest in another unit
No, it's just the USB ports that are still being powered.
Totally normal in most new computers. Same thing with the PS2 ports.
There are jumpers on the motherboard that can change this if you really want. It's designed like that to keep things like you have powered for when you do turn it on and need them.
Hi hearalso, down to the basic's. Replace power cord.
No help there than, remove the case's side panel to expose the motherboard. (Normally it is the left side panel while facing the front of the PC.)
Look closely for a small (green in color) led light. The power cord must be connected to the PC & connected to you're power strip but do not press the power on button on the PC.
The green led tell's you the board is receiving 5volts. Check all connections. Un-plug & reconnect every data & power connector in your PC. (Double check). There is a fuse inside your power supply that may have blown. Check you're manual page, Approva Statements B-1. Fuse Warning Instruction Caution.
Check fuse in power supply. (Unplug power cord before opening).
If you can not power up the PC after all of the above than if possible, swap out the power supply.
Replacing the power supply is the last step.
If you have more questions, feel free to ask.
There is a ribbon that connects the top screen of the ds to the motherboard. It is possible that this ribbon became damaged when the hinge broke. A possible fix would be to replace the upper screen. Hope this helps.
Assuming the power supply is ok, and the pc is a few years old, it could be a flat cmos battery so check for the disc shaped 3V battery and see if it's flat.
Whilst you have done that look for the JBAT1 terminal and put jumper on pins 2-3 for a few seconds then back to 1-2.
Look at the capacitors (tube shaped things) for the tops and sides swelling, if so mobo needs replacing.
You need also to check the power supply leads to the motherboard and check its connected to mobo ok.
Start up pc if it will and set the time and date in standard bios settings.