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PC won't boot with a RAM stick

WilliamTM

WilliamTM

WilliamTM

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Joined
22 Mar 2011
Posts
20
Location
Stafford
I upgraded my PC yesterday (Tuesday), and it booted up fine. Played a few games, did some IMing, encoded a video in Handbrake, etc, the usual stuff. I leave my PC on 24/7, so, as usual, I left it on overnight and went to bed. Woke up again this morning, and it was still fine. I've not applied any overclocks or done any tweaking aside from changing the boot order in the bios and switching from "power saving mode" to "POWEEEEEEEEEEER mode", but that's about it.

I went out at about 11am, and got back about an hour ago, and noticed the monitor was showing the POST screen (showing the HDDs, etc). It seemed to be stuck on it, so I did a reset and...nothing. It wouldn't boot up at all.

Everything turned on - fans started spinning, LEDs lit up, but it wouldn't even POST. I took out one of the RAM sticks, and, suddenly, it lived! Windows booted up fine, and I had no issues. I upgraded the BIOS from 1801 to 2001 in case that was a problem, but it didn't fix it.

  • Both RAM sticks in: No POST.
  • Bad RAM stick in: No POST.
  • Good RAM stick in: POST.

I've tried the RAM in all the slots and in each one, it doesn't POST.

I also noticed (after checking it just now) that the RAM I have is not on Asus' QVL list for the mobo. I didn't think that was an issue, as I've never had any issues with randomly picking RAM before, but...would it be? The last system I had was a Core 2 Duo, so I'm not sure if this is more of an issue now with DDR3?

Specs:
  • Intel Core i7 2600K (stock speeds, no overclock)
  • Asus P67 Sabertooth B3 Revision
  • Corsair Vengeance Low Profile 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Kit (CML8GX3M2A1600C9)
 
Seems to be a faulty ram stick, you should return it in the store you got it from;
Also, did you check that the latency are the same for both sticks and that they are both operating at the same voltage?

Edit: This can also be of use to you
 
Last edited:
I did check the latency with the working stick in the BIOS, and it's correct (it's a matched dual channel pair). I also set the speed and timings manually in the BIOS as another friend suggested, put the broken stick back in, and it still wouldn't POST. Plus, I've tried everything that I can from that thread, but no matter what I do it just will not POST at all, so there's not really much I can do.

Got the RAM from OcUK so I think I'm going to shoot them an email about replacing it, since it's only three days old.
 
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