My daughter has an E-Machine desktop (T3626). It just went out of warranty and the fan had been noisy. Now the fan isn't moving at all and it's powering up and shutting right down? Is that a power supply issue? If so, can she fix it herself? ...and how???
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Re: E-machine desktop powers up and shuts right down
Yes absolutely it is the power supply and EMachines have a reputation of using less than great power supplies. Do not turn it back on as it may cause damage to motherboard components. Now as for as getting a new one they are not expensive. FIrst you have to open the case and see what the wattage is on the current one..then go to a website like TigerDirect or NewEgg and order a new one. They are not hard to disassemble or assemble. Just a few screws and unplug some wires. So anyone comfortable with working with computers or electronics can do it....the only tricky part is remembering where to plug all the wires back into. So no big deal, order one with overnight shipping, an hour to install and she should be back up running by early next week. If you have any questions please let me know. Don't forget to rate this 4 stars before you log out.
Re: E-machine desktop powers up and shuts right down
Before you buy anything for this model PC, be sure to take the time to open the case and check the capacitors on the motherboard. They should be flat topped. If any of them look bumpy on the top they are bad and it's the cause of your PC shutting off. "Especailly the capacitors right next to the processor". Either call emachines for a board replacement, buy a new board or throw it in the trash were it belongs..
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It appears you have a faulty CPU fan and it is causing the CPU to overheat and shut down. I suggest you replace the CPU fan. remove any dust from the heatsink and put new heatsink compound on the CPU/heatsink.
check all the leads to the hard drive and check that the fan starts spinning when you switch it on if it dont start then the problem is the switch these do often go and can be easily replaced and they are not expensive i had the same problem and found that it was just the switch hope this solves your problem for you you can bypass the swith so that the computer comes on when you turn the plug on but when you shut down the computer this shuts everything down but the switches are cheap enough to buy if you have changed the power pack then the only thing it can be is switch .................................
Sounds like either the Monitor is bad or the Video Card is bad. Try plugging another monitor on the computer and if it can't show a display then more than likely the Video Card is bad. If it shows on the monitor you just plugged in, then the original monitor is bad.
eMachines are known to have cheap/bad power supplies. If you have access to an extra good working supply you can disconnect the power supply from the computer with out removing it (unpluged of course), and connect your good one as a test. Power supplies are very inexpensive off of sites like Newegg, Pricewatch, etc.
Do this right away. You don't want a bad power supply to burn out your motherboard, and, or, CPU and end up costing you more to replace.
Also It could be possible something is overheating too and causing the machine to shut down. Open the side panel and make sure the CPU fan is spinning freely when the power is on. Some times what happens too is a machine can get so full of dust, dirt, and, or pet hair that the whole CPU fan and heat-sink get blocked so air can flow through and around them.
You may be dealing with bad or overheating with your processor or memory. If possible, try swapping out your memory chips to see if that does the trick. If not, you will have to try swapping out the processor (much less likely you'll be able to swing that).
No sync means no video signal to the monitor. The rest sounds like a corrupted OS. This could be from a number of reasons, including a virus. If you have NORTON or MacAfee, Your open to a lot of attacks. Get AVG free, and use Mozilla instead of IE.
The reason the fans come on full speed is the MB senses a high temp on the CPU, until the bios fan control takes over after POST. This is normal on most systems.
You might have a broken or dirty CPU fan. The CPU heat sink fan is responsible to cool down your CPU while it is on. If it is broken or stuck(dirty), then your machine will power off automatically preventing CPU damage or worse-case-scenario:FIRE caused by "burnout".
Your CPU heat sink might not be mounted on your LT properly. Also causing overheating; thus shutting down.
Its a laptop right ? Right! Another thing you could try is to unplug the battery, and let it run from AC power only and see if it makes any difference.