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I tried to upgrade my RAM memory, but when I opened the computer and tried to put them in, I realized that I have DDR2, and I had bought DDR3. Well, nevermind, I will exchange them, but here is the problem: When I put my old memory back into my computer and tied to turn it on, I just hear strange beeps and nothing is happening on the screen.

What I tried so far:

  • changed my 2 old RAM sticks over every slot;
  • unplugged all power and wires and tried again;
  • unplugged all power and wires and removed RAM and removed battery from motherboard for a few minutes and pressed power button few times and then put back battery and tried again;
  • blew the dust from RAM sticks and from motherboard;
  • checked if the motherboard is burned.
  • tried to put sticks inside by pressing left side first and then right one; also did the opposite; tried pressing both sides in at same the time as well.

I don't know what else to do.

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Did you handle the memory the proper way? –  Ramhound Oct 1 '13 at 14:13
    
As a side note -- before you exchange the RAM use a tool such as this system scanner to find out exactly what type of RAM your system will take. You also don't want to buy the wrong speed, etc. –  Neil Neyman Oct 1 '13 at 14:29
    
Do the RAM stick smell burned? Are you sure you are inserting them all the way in? Do they click into place? –  terdon Oct 1 '13 at 15:13
    
i did handle it in the proper way. i didnt use system scaner, but i guess its too late now. smell burned –  user2834926 Oct 1 '13 at 15:28
    
they dont smell burned. and they clicked into place. –  user2834926 Oct 1 '13 at 15:29

2 Answers 2

Sounds like the RAM is not correctly in the slots or the RAM has been damaged when you have moved or taken them out. Try with just 1 stick at a time (If you have more than one)

If not all the sticks may be broken in which case you will have to buy more.

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i tried,still nothing :( i will buy new ones tomorrow. ty –  user2834926 Oct 1 '13 at 14:57
    
Cool. That should fix the problem you are having :). –  Ash M Oct 1 '13 at 15:56
    
Or maybe the motherboard? That seems like it would almost be more likely than both ram sticks going bad. @user2834926 –  Neil Neyman Oct 1 '13 at 17:56

Consider resetting BIOS settings to default also. Quite possibly, putting wrong memory and turning on the power may have caused the BIOS to change some of it's "voltage settings".

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