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Installed New RAM and PC won't boot (even with just old RAM!)

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#1 lolamadeus


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Posted 29 January 2015 - 09:15 AM

Hi all,

I recently added 2 x 4 GB (Ramaxel 8GB Desktop PC3-12800 Ram 1600MHz DDR3) to my PC.
It already contained 2 x 4GB CORSAIR CMX8GX3M2A1600C9.

Once I added the new RAM the PC wouldn't boot (red light stays next to RAM on mobo, no video output). So I took the new RAM out again to test and the PC booted fine.

So then I tried switching the slots around, putting the 2 new ones next to each other and the 2 old ones next to each other and various other configs, but PC didn't boot any of these times.

So I figured faulty new RAM, took the new ones out, put the old ones back in their original slots and it still doesn't boot!

I have tried clearing the CMOS (Removing RAM, removing battery, holding power button for 30s, adding back battery, then RAM and restarting) to no avail.

The motherboard is an Asus P8 P67 Pro by the way.

I am now officially out of ideasicon1.png, I need my computer for work so it's *very* important I get it back up and running ASAP.

One thing, when I turn off my PC and unplug the power cable, there is a green LED that stays lit on the mobo for about 15s or so... I *might* have unplugged/plugged a RAM stick while this light was on, could this have caused any harm to the RAM (or worse the motherboard?).

Any ideas would be *greatly* appreciated, do I need new RAM? Or do I need to bite the bullet and take it to a repair shop?

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#2 Datcoolguy


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Posted 31 January 2015 - 06:59 PM

Remember you can fry ram with static. Did you take care of not handling them before grounding yourself? Do you live in a dry area?

"If you don't understand how your computer works, you shouldn't be messing with it!"

#3 mjd420nova


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Posted 01 February 2015 - 02:07 PM

Locate the number one slot (or some boards mark them as slot zero) and install the memory cards, one at a time.  This may identify the bad one.  Older boards will suffer from fractures of the hold down clips and the card socket itself.  Check that each card fits easily and locks in place.

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