Question about E-Machines eMachines W2686 PC Desktop

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My computer w2686 do not start

I have a Emachines W2686, I buyed I memory of 512mb with a bus of 333mhz. After I plugged the new memory the computer do not start. The hard drive do not start, also can not open my dvd drive and the light of the sd cards stills on. If unplug the hard drive from the motherboard I can heard it working. Also the same happens with the dvd drive if I unplugged I can opened normally. What can I do?
Thanks in advance.

Posted by carlosrja on


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Cory Kielion

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I'm assuming that when you say "unplugged" that are you are meaning to say that you're unplugging the IDE ribbon but still leaving the power plugged in to the device.

Try resetting your CMOS settings by using the jumper on the motherboard. (Usually labeled as "JP1" or "CMOS" on the board.) You have to short the pins with the jumper for no less than 3 seconds to clear the CMOS settings back to factory default. Try booting the system after that.

If that doesn't work, try taking out all of the old memory and leaving in the new memory. See if that works. (Sometimes different memory sticks do not like one another and will fight for control of the system's memory controller.)

If that fails, try taking the new memory out and put the old memory in. See if it boots that way. If it does boot with the old memory, there is most likely an incompatability with the new memory and the motherboard.

Just because it's an Athlon XP 2600+ does not mean that it runs at 333 MHz FSB. There are two different versions of the 2600+. The 266 MHz and the 333 MHz.

Check to see if there is any labeling on the old memory. If you find a sticker on the RAM and it says "PC2100" on there then you were previously running 266MHz memory. This means that the motherboard itself is also most likely 266 MHz FSB.

Most OEM manufacturers used the slower boards and memory to cut down on production costs figuring that your average customer wouldn't notice or care.

So if your system boots on the old memory and it is PC2100 memory, then the two likely possibilities are as follows:

1.) The motherboard is not compatible with the brand/make of memory that you bought.
2.) The memory is 333 MHz and the board is 266 MHz and is not able to downclock the memory to run at 266 MHz. (Which most boards are usually able to do.)

If the memory is not compatible with motherboard then you may have to take it back and select a different brand. I would research that information for you if I had the memory information available to me.

Here is a nice little tool from PNY for selecting memory that is compatible for your system. PNY is a very commonly-found brand in most retail stores and should be easy to find.

Select the appropriate information from the configurator tool to find the right memory for your machine.

Good luck.


Posted on Nov 04, 2007


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