Re: power supply replacement for emachine et1641-02w
I just bought a emachines as well and i noticed when purchasing a new video card that it required a 450 watt power supply, so i went to check and see how much the one i had just purchased had and of course it was 250! that is soooo low, anywho, what i am sayin is if you think that you are going to add any drives or a after market vid card then yes you need to replace the powersupply in ur emachines with at least a 500 watt, they are like 50 to 100 dollars at tigerdirect
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Hate to say it, but it's likely your power supply. For years now, HP/Compaq, and Gateway/eMachines/Acer have all been putting 'Bestec'-brand power supplies in their brand-new desktops. I tired of replacing them because a) Brand-new computer owners strayed away from me if I warned them about it prior to 'the inevitable', and b) Often, power surges on these Bestec power supplies would also 'take out' the motherboard, and sometimes even hard drive (and data!).
After years of seeing this, I reported this incredible catastrophic known-fail rate to a law firm in NY who is supposedly going after the manufacturers for this problem (or ignoring the problem).
Power supplies can be bought for under $100, and any technician who is honest and affordable (and can also afford gas!) should be able to install one for under $50 (I do it for $30, for comparison).
Those guys ARE out there--so search one out, and hopefully you'll be up and running in a few nanocycles (sorry, redundant error on my behalf--I'm a nerd, okay?).
Common problem with this model. The power supply goes bad like emachines. Make sure the power switch on the back by the plug is turned on first. I have seen them powered on and still not supply power to the motherboard. For that model you need an ATX power supply replacement.
just start over and buy a motherboard and processor and memory and plug your stuff into it. you will need an operating system because the emachines operating system only workes with an emachines motherboard. emachines is the cheap brand from gateway and i have had nothing but trouble with those machines. Hope this helps and good luck
As a pro computer repair tech I would think or look at two places the first is the power supply which it probally is if it's under warranty contact the manufacter if not there very easy to replace and you can buy one at newegg.com or many other online places or ebay but buy new.the power supply doesn't have to be a emachine or HP just the same wattage or higher;unplug the powerthen just open the case you'll see the powersupply box unplug all the cables that attach to the box if you have a digital camera take a couple of good(easy to see) pics first so you can look back when replaeing the cables,or with the new power supply set it next to the old one and as you remove a cable replace the cable with one from the new one at a time then after replacing all the cables undo the 3-4 screws holding the power supply from the back of the case remove the old one and replace with the new one.the other thing I would check is the swicth on the front behind the front cover mostly doesn't break but it has happened.
Apparently this model has a bad motherboard, which manifests as a power warning and eventually a refusal to boot up. You can replace the power supply (as far as I know, any generic one 250-watt or better will work) but it's unlikely to help. You can buy a new motherboard (and new power supply, if you want to) direct from eMachines, but it's also likely to fail pretty soon. Your best bet is to get a new computer (NOT an eMachines one) and put your hard drive in as a slave so you can get your data off.
Try to start it without any memory in it (RAM), if it beeps then you have bad RAM. If you have more than 1 piece of RAM then try one at a time and see if it will boot. If it doesn't beep and still doesn't turn on your CPU is probably the culprit since you have a new motherboard and power supply. I would also try unplugging everything that is unnecessary like the CD-ROM, Hard drive, sound card, etc..