I have an eMachines T2200 The power supply started making noise and I shut the system off. The next time I tried to boot up nothing happens. I replaced the power suppy and when I turn it on the cd and dvd lights cycle. The light on the power switch doesn't light but the power suppy fan and the processor fan both come on. I checked the volotage from the power suppy leads and all are correct. The system will not boot up. I tried eMachines tech support and they are absolutely no help. Thanks Walt Pettis

youmight remove your graphics and check the socket for dust restart your computer this should activate the found new hardware wizard
if you run an extended desktop this will tell you if the monitor has gone bad
use a vga lead to attach it

click start control panel display change display settings adjust resolution this may vary depending on your operating system you should a no 1 and a no 2 with detect and identify keep an eye on

the screen when you select the number tabs this may vary depending on your operating system when you select the no 2 tab this should be the extended desktop always click apply after making any changes
i have read some reviews on your monitor
So the ex-hubby calls me with his woes - his eMachines T3124 is having problems. Seems that when he cold boots in the morning it hits the "E" splash screen and then just goes to black screen. No bios boot screen, no boot to windows. Everything sounds ok though. After a few restarts it boots ok. So, first trouble shoot is to replace the 180w Bestec power supply with a salvaged 300w Hippro from my T6420 (which was replaced with a 500w) - the one I replaced the mobo on. Works great ... for one night. Next morning I get the frantic call - now he gets nothing after the "E" splash but white wavy lines, but the computer sounds like it's running fine. Ok - ok ... think, think. First thought was maybe the onboard graphics have gone, next thought maybe the mobo is going ....

What is the next thing we do after trying a known, good power supply? Try another working montior. I had him try using a trusty older CRT monitor and Wha-Lah! After less than 3 years the E17T4 LCD monitor had failed. Most recent crisis handled. This little incident has made him realize though that he needs to burn all his picture and videos to CD. Scared him to think he could have lost them. Today's reminder? BURN your pictures and videos now! You never known when something might happen. And eMachines monitors are ****.

hope this helps

Could be a RAM error. try cleaning the contacts of the memory module before re-inseirting it, or you can try and swap with another if its available

I had this happen to my emachines T1842 about a year ago. I replaced the power supply and it worked fine. It was about 25 bucks but fixed my problem. Make sure the red switch on the back hasnt been messed with. it should be on 115. If you have moved it, it may have blown a fuse inside the power supply.

check all your ground screws on the motherboard. If that doesn't work try booting it up with out the hard drive. if that doesn't work, pop out the BIOS battery and unplug your computer, let it sit for about a min. and put the battery back in and restart.

blow out dirts on bord, then you pack the board to avoid any bridging with the cassing

what os are you running? if xp try booting to repair console and run "fixboot" and or "fixmbr".

Try this. Go into your setup screen ( F10 or DEL ). From here set up the system to boot from another device ( hopefully you have the original Windows disk or a bootable 3.5" Disk)
I would like you to change boot sequence and boot from one of these other devices ( hoping that you don't have an infection which jumps to your clean boot - to prevent this on bootable floppy, open the little door}..
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Power supply.

If you are replacing the power supply and it has 4 pin 12v conector and your motherboard doesn't, just disregard the 4 pin plug. The 20 pin conector will supply sufficient power for the processor. Many of the older motherboards did not have a separate 12v supply for the processor.

Emachines have had a lot of problems with their power supplies going bad and destroying the motherboard in the process. If you can, start looking for a replacement motherboard (on eBay) and a larger wattage power supply (any local computer store) especially if you have experienced the computer shutting off or rebooting for no apparent reason. If you're lucky, you can try booting into safe mode by pressing the "F8" key on you keyboard during the boot process and select safe mode from the menu. If your computer boots up, then there exist the possibility of a corrupt video driver and/or corrupted file system. If you still can't boot and experience the same thing, then you may have a physical hdd problem or again, power supply, motherboard, or both. Also, do not over look the possibility of an internal fan on the video chip not turning. I hope this helps and good luck.