Won't boot with 4 ram sticks

PlatypusKnight · Jan 31, 2014

Computer won't boot with four 4gb ram sticks installed. All sticks work perfectly. My motherboard is a p8z77-v lk, I have a corsair 600w psu, my gpu is a geforce gtx 760. The ram sticks are corsair vengeance. It works fine with just 2 of them, but any more and it won't boot. Help?

Immaculate · Jan 31, 2014

Try each one individually

PlatypusKnight · Jan 31, 2014

Immaculate :

I did. They all work.

Martell1977 · Jan 31, 2014

PlatypusKnight :

Have you tried using 1 stick, but in different ports? Might be a bad port.

Immaculate · Jan 31, 2014

Are they a mixed matched set or was it a complete 4 stick set? Im sure you know they have to gave the same speed and timings.

PlatypusKnight · Jan 31, 2014

The secondary (black ports) arent working. I ran memok! and it booted up, but failed when I tried all four ports. Memok! did not work again on secondary ports.

It's not a 1 set of four, it's 2 2x4gb corsair vengeance sets. Same make and model.

Martell1977 · Jan 31, 2014

PlatypusKnight :

Have you made any changes in the BIOS? If so, try returning it back to default. If not, try enabling XMP settings and see it that helps.

PlatypusKnight · Jan 31, 2014

It had been running default.

Martell1977 · Jan 31, 2014

Will the computer run with 1 module in either ports 2 or 4? Or are they both having issues?

PlatypusKnight · Jan 31, 2014

Just the second port. I hadn't checked them individually. I was kind of panicking.

Martell1977 · Jan 31, 2014

PlatypusKnight :

Sounds to me that port 4 is bad. If the board is still under warranty, call ASUS. I'd only run with ports 1 and 3, having odd numbers of modules would slow you down a bit, since you'd lose the benefit of dual channel.

PlatypusKnight · Jan 31, 2014

Port 4 is working, port 2 is not.

Its now saying I have 12 gb of ram, but 3.47 available. I know my drivers and OS don't take up that much space.

Martell1977 · Jan 31, 2014

PlatypusKnight :

Ok, thought you were pointing out which worked, lol.

Take out the module from port 4, just run ports 1 and 3. Same issue?

PlatypusKnight · Jan 31, 2014

If I were to do that, it would drop down to 8, where it was. There would still only be 3.47 available, which I know is because of the OS and drivers.

Martell1977 · Jan 31, 2014

Well, the extra 4gb will only slow you down as you wont have dual channel.

There was someone earlier with the same GPU as you with the same 3.47 usable issue. Did you update nVidia drivers recently? Maybe that's causing the issue...

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Won't boot with 4 ram sticks

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Martell1977

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