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Dell Demension 3100 with #1 and #3 light are lit up

by mike1773 / August 14, 2009 2:32 AM PDT

i have this desktop that im tring to fix. its a demension 3100 and the service tag is JY9XB91 and it has factory memory that is 512 ddr2 sddr 533mhz and im tring to install 2gig dd2 800mhz. but the main problem is when i turn it on the post load doesn't load up and the monitor doesn't kick on, it stays in standbye mode. then it gives me a series of beeps and the power button lights up green then the #1 and #3 lights up also. according to dell webside it means memory problems. ive tried many ways to install the memory and nothin is working..can anyone help me Please

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Dell BIOS beep codes
by MarkFlax Forum moderator / August 14, 2009 2:59 AM PDT
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by mike1773 / August 14, 2009 3:09 AM PDT
In reply to: Dell BIOS beep codes

yes it said the 1-3-1-1 is the memory modular. and to reseat the memory. I have done it many times and has made no changes. still the same. any other advice????

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I know very little about this, but
by MarkFlax Forum moderator / August 14, 2009 5:45 AM PDT
In reply to: beeps

what I know is;

1] Go back with what worked before. Test to see if that still works now.

2] Don't 'mix and match' RAM modules. Are you trying to add the 2GB module to the existing 512MB module? My 'vague' knowledge is that RAM modules of different speeds and/or size may not mesh.

3] What else works? Does the 2GB module work on its own?

4] If using only the 512MB module works, install that back on its own, and visit Try their Memory Tester tool, and see what they suggest. Does it match up to what you have?


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by mike1773 / August 14, 2009 6:48 AM PDT

i have put in the old memory and same code. i have not mismatched the memory. i use one or the other. and all have the same code. also just a note{ i took all the memory out and turn it on and the same code comes up} puzzled........

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Other tests before I have to pass.
by MarkFlax Forum moderator / August 14, 2009 7:04 AM PDT
In reply to: test

Try those sticks in another computer. I would suggest try another computer's memory in this system, but I don't know what the risks would be to that memory.

I wonder if there is any damage to the DIMM slots. if so, this looks like a hardware repair/replacement problem. But that is way out of my league.


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by mike1773 / August 14, 2009 7:30 AM PDT

i have tried the sticks in a simular computer and they do work so it looks like a mother board replacement is in store. well thank you for all ur help..

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memory problems
by mike1773 / August 15, 2009 12:50 AM PDT
In reply to: sticks

Is there anyone else that might of had this same problem that might want to shed some light on my problem to help willing to try anything at this point. please help with all forums or blogs with this same problem. thanks ahead of time

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Don't mix speed
by jainbhawna12 / August 15, 2009 8:10 AM PDT
In reply to: memory problems

All RAM MUST be the same speed. All the RAM in one channel must be the same. For Rambus, all spots must either have a ram molecule or a ram placeholder, this does not apply do DDR(1,2,3).

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I did
by oneclick / August 16, 2009 2:53 AM PDT
In reply to: memory problems

In my case, I unplugged all power, unplugged monitor cable, pulled Battery and held power button for 10 seconds to drain all residule power. replaced Battery and put in original (known good ram), reset date and time in BIOS and machine booted. But that was my case

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Dell Demsion memory issue
by billzhills / August 15, 2009 1:52 AM PDT

Two Items ...

Image at Dell web site indicates a BTX MB.
If so they have a high failure rate.

This board will not post or return error code if
memory slots are not populated properly.

Slot 1 or 3 for single memory chip.

Slot 1-3 / 2-4 if using 2 chips.

Not sure how much memory is supported per slot.
As suggested check w/ Kingston or Corsair for this information.



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