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Windows 7 64 bit wont boot after upgrading ram

Last response: in Windows 7
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May 27, 2011 7:39:16 PM

i have done a clean install of win 7- 64 bit and it wont boot up, the pc runs but blank screen, i take the new 8 gig of ram out and put the 4 gig back and all is good again. can anyone shed some light on this, henry
a b $ Windows 7
May 27, 2011 7:46:22 PM

what motherboard have you got?

it could be that you are adding more ram than the motherboard can take

for example ive got a socket 775 foxconn 45cmx and it can only take 4gb
May 27, 2011 7:54:19 PM

gigabyte ga-ma78lmt-s2, it has a capacity of 8 g, amd quad 3.0 g pcu
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a c 371 $ Windows 7
May 27, 2011 8:27:21 PM

What are the specs on the ram?
a b $ Windows 7
May 27, 2011 9:24:14 PM

fox55 said:
gigabyte ga-ma78lmt-s2, it has a capacity of 8 g, amd quad 3.0 g pcu


What's the make and model number of the memory?

I mean seriously how could anyone answer your question when in your original post you fail to mention what motherboard and what ram? :bounce: 
a c 371 $ Windows 7
May 27, 2011 9:52:07 PM

that is a ddr3 board right?
May 27, 2011 10:37:30 PM

its a ddr3 board and the ram is from mach xtreme 1333mhz 2x 4gig & sorry i am new at this
May 27, 2011 10:43:24 PM

SR-71 Blackbird said:
that is a ddr3 board right?

yes ddr3, 1333mhz mach xtreme
a b $ Windows 7
May 27, 2011 10:51:59 PM

fox55 said:
i have done a clean install of win 7- 64 bit and it wont boot up, the pc runs but blank screen, i take the new 8 gig of ram out and put the 4 gig back and all is good again. can anyone shed some light on this, henry


Did you have the new RAM in your system during the clean install of windows 7? Are you getting a POST from the BIOS or is the blank screen occurring as soon as you hit the power button?

Take one stick of your new RAM and place it into the first slot. Now see if your system works. Test out each slot on your motherboard with the one stick. After that test, try the other new sticks of RAM you have as well. Trying to narrow down the problem to possibly a bad stick or slot.
a c 371 $ Windows 7
May 27, 2011 10:56:02 PM

Supports Dual Channel DDR3 1333+
Experience the advanced technology of DDR3 1333+ memory, featuring faster speeds and higher data bandwidth, which delivers superior performance for the most demanding applications.
* DDR3 1333+ is supported with combination of AM3 CPU and qualified memory modules, please refer "Memory Support List" for detail memory support information.

There is a list of compatible ram on the site!

http://www.gigabyte.com/products/product-page.aspx?pid=...

click memory support list!it's a pdf file!
May 27, 2011 11:00:18 PM

yes i put the new ram in before the insall but had a blank screen so i used the old ram to do the install which went fine then i replaced it again with new, no luck so i did the swap around with the new ram in different slots but nothing
a b $ Windows 7
May 27, 2011 11:08:14 PM

Try with 1 stick at a time.
If it works, try the other stick by its self.
Check to make sure the default voltage is set correctly in your BIOS for the new RAM.
One stick of the new RAM could be bad, just an outside chance, but it does happen.
May 27, 2011 11:45:44 PM

You have a bad stick of ram. Use Memtester to verify the condition of the ram if you get windows to boot up.
May 28, 2011 12:09:00 AM

jitpublisher said:
Try with 1 stick at a time.
If it works, try the other stick by its self.
Check to make sure the default voltage is set correctly in your BIOS for the new RAM.
One stick of the new RAM could be bad, just an outside chance, but it does happen.

i have tried the ram in diferent ways but still no go, i emailed the seller of the ram and he told me it was tested before it was sent to me , he tested the ram in a m/b the same as mine (he didn't know my brand of m/b) and a another one and said they tested fine. would it be a driver problem maybe
a c 371 $ Windows 7
May 28, 2011 12:11:21 AM

Ii bet it is just bad ram?

BUY NEW with right specs and it will work i bet!
May 28, 2011 4:42:49 AM

That sounds fishy to me Did you buy the ram new? and if so and it doesnt work send it back...that ram though not the greatest for the gig boad should still at least post and run your system .... I would say from the limited info that its bad ram and you should send it back and yes +1 to area51reopened whenever you add some new hardware to your mobo(m/b) that you should always research what the recommended requirements for it
May 28, 2011 6:08:14 AM

yer you could be right, the m/b has a limit of 8gb and it should handle it. i thank everyone for their imput and i will leave it at that.
May 28, 2011 6:24:52 AM

well get back sometime let us know if we helped and be kind and pick a best answer if there is one or post your solution for us to help others out would be great...GOOD LUCK!
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