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Help! Memory upgrade has caused a problem!

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Hey all,

Computer info:
Dell 4600, 2.66mhz, original memory 256mb - now upgraded to 1.256mg via 2 512mb DIMM (K-byte PC3200/2700)

What I did:
- Upgraded the memory of the machine (unplugged, done carefully)
- First try: upgraded the memory by removing the 256mb chips and putting in the 2 512mb DIMMs. Worked great to begin with, then kept having thermal event shutdowns.
- Second try: put the original memory back in, then powered up - machine powered up fine, no thermal event shutdown.
- Added the 2 512mb DIMM in secondary memory slots (3/4) without removing the original 256mb memory - so total memory is 1.3mb.
- Run the machine for 2-3 hours looking for thermal event. Nothing happens.
- Return machine to friend
- Get a call from friend - machine no longer turning on.
- Stopped by his house, pressed the power button - indeed, it tries to power up, then stops. So lights come on for a second and then the lights turn off.

So my question is this: does anybody have any idea what has happened?
- Did I fry the power supply?
- Is there something else going on?

Any help greatly appreciated!


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First, welcome to G2G.

It kinda sounds like you may have gotten some bad ram. Unusual, but happens.
There are a few ways you can go at this. They all involve playing with the ram modules.

I would go back to the original, and see if the comp will work. If it does, chances are the new memory is bad.
It could only be 1 of the new 512's.
You could they try installing 1 - 512 at a time and see what happens.
You could run MEMTEST on each new stick.
You could also return the memory and try again, provided the original continues to perform with no issues.


Static will wipe out memory, components on boards, etc.
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