Hello

So I built a desktop computer some long time back. It has been working very well for me and have not needed anything but a couple of fans to support all my needs. But lately I have been thinking about upgrading and am trying to save for it so I can build a decent new PC that would last me another few years in future. For now I had to settle at just looking to upgrade my RAM as that is where I think my pc was lagging for some reason.

So I went ahead and bought exactly the same RAM (EXACTLY, company, timing, latency, model, pins, etc..) that I installed originally. I already had 4 GB in 2X2GB sticks. I got another 2X2GB. Now when I booted the computer, my PC recognized the sticks and in the System properties said memory was 8 GB but I only have 4 GB available. I am not sure what to do to make the new sticks' memory usable.

Here are all the parts that I have on my pc:

  1. SAMSUNG CD/DVD Burner Black SATA Model TS-H663C/UOAH - OEM
  2. LOGISYS Computer PS575XBK 575W ATX12V SLI Ready Power Supply
  3. G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL
  4. Seagate Barracuda LP ST32000542AS 2TB 5900 RPM SATA 3.0Gb/s 3.5" Hard Drive -Bare Drive
  5. IMC IMC-black USB 2.0 Card Reader
  6. ASUS EAH5550/G/DI/1GD3(LP) Radeon HD 5550 1GB 128-bit DDR3 PCI Express 2.1 x16 HDCP Ready Low Profile Video Card
  7. ASUS P7P55D-E LX LGA 1156 Intel P55 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
  8. Intel Core i5-760 Lynnfield 2.8GHz LGA 1156 95W Quad-Core Desktop Processor BX80605I5760

Additional Info
I am using Windows 10 64 bit. I did also see that the processor is also x64 based, if that matters. Also I did try to just replace the old two (pc booted up and worked) with the new two in the same slots, the pc didn't boot up. Could this mean that the new sticks are bad
The configuration of the sticks:
Old sticks in A1 and A2.
New sticks were supposed to go to B1 and B2. Did not become usable.
Used the new sticks in A1 and A2. Din't get boot up.
What can I do, what info can I provide here that will help me solve this problem?

Edit
So my pc was working fine with the old 2 sticks. I took these out and put the new ones in. No boot up from them. Then i tried using the old 2 in first 2 spots and new 2 in last spots. Again my pc booted up and was showing me 8 gb RAM with 4 available.

Lastly I put the new 2 sticks in first slots and the old 2 sticks in the last spots. No bootup.i pressed the Memok button. It kept trying to do whatever in needed. And I smell burning.stopped the power right away when I saw a little sliver of smoke. Apprently my old 2 sticks now have burnt. So I guess I can not use them anymore.

couple of the connection thingies have gone black rest all are fine. I'm still taking it that these are completly done for. And with them probably the two slots where they were. Is that true? Are the RAMs usable at all? Are my slots probably fine still?

What do I do now? The two new rams never gave me bootup and my old ones are fried now. Can I somehow get bootup from the new sticks or ill have to replace these right away and get different ones.

6 years ago*

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Try replacing the original stick with the new stick and see if it boots up. This should determine whether it is a problem with your ram slot or the stick.

6 years ago
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Insufficient RAM is certainly the bottleneck in that system. Your motherboard comes with a nice feature called MemOK! Have you attempted to use that yet?

6 years ago
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I' gonna check some videos out on how to use it. In the eantie, should I use just the new ones and try to do it or with all 4 in the slots.

6 years ago
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It would be better to have all 4 in there, it will test each stick one after the other.

6 years ago
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Ok. So I finally got around to doing it.

I put the old 2 sticks and the pc started fine.
Used just the 2 new sticks. No boot up.pressed the memok button,it kept trying to boot up again and again but to no avail.
Then I put my old 2 back and now I'm not getting a boot up on these two either.

Not sure what is happening and what im supposed to do now.

6 years ago
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Do you get to the BIOS?
If you do, have you updated firmware for the motherboard? It has the EZ-Flash 2 so you should be able to update it easily from the USB.

6 years ago
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Nope. Not getting any signal to monitor using any of the sticks.

6 years ago
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EDIT: Just read your edit on the original post... Sorry to hear you got some magic smoke. Looks like talgaby is correct, the motherboard either supplied too much voltage or the seating of the RAM was bad and caused a short or even a spark gap. The RAM itself may have survived, but the motherboard shouldn't be used any longer with those issues. I'd get a new motherboard, keep all of the RAM, you may be able to use them in a newer motherboard that accepts DDR3 memory.

6 years ago*
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It could be the two new sticks are bad, given that using them as replacements for the original DIMMs kept the PC from booting. You can check for physical defects, though they're less likely than invisible damage, such as ESD. While you're taking a close look at them, you can check the labels and make sure they're exactly what you ordered.

One other thing you can check is timing. It's possible your ASUS motherboard's BIOS is tuned to use a higher clock speed on the memory than its rated value (I know mine is - I got it secondhand from a friend who tuned it for the memory he had, and I haven't touched it since, as it's working). If your old DIMMs are capable of it but your new ones aren't (luck of the draw), that could potentially cause this behavior. In that case, the solution is to lower the memory clock speed in the BIOS.

6 years ago
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Two other things you can check:

  • Alternating banks: You can try mixing the old and new memory in terms of channels to see whether it gets you any further, particularly if you try one new and one old and see if just one of the new sticks causes problems. Normally you want two sticks you bought together on a channel as they're going to tend to perform most similarly, but this is just a test.

  • Try MemTest86+ with all four modules in place.

6 years ago
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not shure about it, but olders motherboard have a hard limit of Ram they can use, so even if you would put 32GB in them, they would use only 8. it can be said about the memory integrated in your video card too. you should definitely take the time to toroughly analyse each of your component caractesistic online on the builder's website. try using Speccy from piriform to get all the name of all your pieces right before starting to search.

6 years ago
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6 years ago*
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you probably need a 64bit version of your operating system - if using 32bit then only 3.5gig will be recorded

6 years ago
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It is 64 bit

6 years ago
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ah okay - then nothing else I can suggest - mine was doing the same thing until I updated to a 64bit OS - but I do remember that I had to also update the bios on my motherboard to allow for the new timings on the updated ram - sorry I cannot be more help :)

6 years ago
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Ancient ASUS motherboard problem that has been around for gods' know how long. They have issues with four sticks and they also have issues with RAM module seating. Get the modules out and re-seat them, just make sure you push them down really, really hard. It will probably take a few tries, but eventually the system will properly use them.

6 years ago
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Well if you see my edit now, my already working rams are fried and i got no working computer now.

6 years ago
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Ah, so you even got as far as those malfunctioning ASUS boards where one dual-channel got higher voltage than it should have. Their fiddly RAM slots was one of the reasons I ditched ASUS boards in general.

6 years ago
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Well it worked pretty fine for about 7 years now.in this much time i changed 3 GFs and only like a couole of fans on this computer. I'm happy with how long it lasted. Plus I'm still not done with it. The max I'm gonna have now I think is to buy new rAm and new Motherboard to bring it back to life.

If it takes any more than 200 bucks to do it then I'm just going to wait a couple months and just build a new freaking rig. That'd also give me some time to collect/save some money and with holiday season coming i might be able to get some deals too.

6 years ago
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6 years ago
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Closed 3 years ago by Grauntgar.