Hello,
I have been having some problems after upgrading my DDR3 ram and increasing the speed on it. I have an Nvidia 790i Ultra motherboard with G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600mhz (PC3 12800, apparently its low voltage RAM for i7 processors, but it also works with dual and quad cores. Also for the record I am using Windows Vista Home Premium 64 bit.
So here is the story, when I built the computer, I only put in two of the 2GB sticks in slots 1 &3 because I heard it will run faster that way rather than having 1, 2, and 3 being used. It has been running perfectly with the two sticks until the other day, I got tired of that third stick sitting around so I decided to put it in and see if it helps the framerates in my games at all. So I put the stick in the second DIMM slot and boot up. Everything seems to be fine and I ran CPU-Z to ensure that everything was alright. THis is when I noticed that the speed of the RAM was only running at 1200 mhz (600 mhz was the actual rating, but I was told it needs to be doubled to give the actual speed). So I went into my BIOS to see what was up. I went to the FSB and memory settings and I found where to change the speed of the RAM and FSB but it was greyed out. I fiddled with the selection next to it and changed it to 'Unlinked' I believe and then they were no longer greyed out.
The FSB was already set to 1033mhz, which is what my board is rated for, so I left that alone. Then I set the RAM to 1600Mhz, because that is the rated speed. On a side note, I also checked the timings of the RAM and they are all at 9-9-9-24, which is what it is supposed to be and all are getting 1.5 volts.\
So I boot up and read 800mhz in CPU-Z which you double to get 1600mhz, SUCCESS!!!! Or so I thought. Later on I noticed windows was running fairly buggy and lots of times when I try to open or close something, the computer will lagg and then a message will pop up saying "Windows Explorer has stopped working and needs to restart", unfortunately this will result in the internet browser closing. Sometimes, though, everything does not re-appear after windows explorer restarts and I sit at an empty desktop.
I tried to fix this by typing "/sfc scannow" in a command prompt and it scans and repairs everything, but it will tell me it failed at some things and I need to reboot for it to be able to fix it, so I reboot and run the scan again and just get the same thing. Other times it just keeps restarting over and over and I have to reboot the pc. It has gotten better now though and only does it once in a while.
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Other times I will just be minding my own business and then I get a Blue Screen of Death and something about a physical memory dump. This has happened 2 or 3 times and I should have taken a screenshot, but I didn't. I know it was probably foolish, but I restarted the pc each time instead of waiting for the blue screen to do its thing.
WOW THAT WAS A LOT OF TYPING.
Anyway, can anyone help me with this problem? I know the RAM and the motherboard are compatible, but I can not think of what the problem is? I am running the RAM at the rated speed and the motherboard is compatible with DDRC up to 2000mhz so I don't know what to do except contact G. Skill customer service.
Thanks a bunch for any help!
I have been having some problems after upgrading my DDR3 ram and increasing the speed on it. I have an Nvidia 790i Ultra motherboard with G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600mhz (PC3 12800, apparently its low voltage RAM for i7 processors, but it also works with dual and quad cores. Also for the record I am using Windows Vista Home Premium 64 bit.
So here is the story, when I built the computer, I only put in two of the 2GB sticks in slots 1 &3 because I heard it will run faster that way rather than having 1, 2, and 3 being used. It has been running perfectly with the two sticks until the other day, I got tired of that third stick sitting around so I decided to put it in and see if it helps the framerates in my games at all. So I put the stick in the second DIMM slot and boot up. Everything seems to be fine and I ran CPU-Z to ensure that everything was alright. THis is when I noticed that the speed of the RAM was only running at 1200 mhz (600 mhz was the actual rating, but I was told it needs to be doubled to give the actual speed). So I went into my BIOS to see what was up. I went to the FSB and memory settings and I found where to change the speed of the RAM and FSB but it was greyed out. I fiddled with the selection next to it and changed it to 'Unlinked' I believe and then they were no longer greyed out.
The FSB was already set to 1033mhz, which is what my board is rated for, so I left that alone. Then I set the RAM to 1600Mhz, because that is the rated speed. On a side note, I also checked the timings of the RAM and they are all at 9-9-9-24, which is what it is supposed to be and all are getting 1.5 volts.\
So I boot up and read 800mhz in CPU-Z which you double to get 1600mhz, SUCCESS!!!! Or so I thought. Later on I noticed windows was running fairly buggy and lots of times when I try to open or close something, the computer will lagg and then a message will pop up saying "Windows Explorer has stopped working and needs to restart", unfortunately this will result in the internet browser closing. Sometimes, though, everything does not re-appear after windows explorer restarts and I sit at an empty desktop.
I tried to fix this by typing "/sfc scannow" in a command prompt and it scans and repairs everything, but it will tell me it failed at some things and I need to reboot for it to be able to fix it, so I reboot and run the scan again and just get the same thing. Other times it just keeps restarting over and over and I have to reboot the pc. It has gotten better now though and only does it once in a while.
------------------------
Other times I will just be minding my own business and then I get a Blue Screen of Death and something about a physical memory dump. This has happened 2 or 3 times and I should have taken a screenshot, but I didn't. I know it was probably foolish, but I restarted the pc each time instead of waiting for the blue screen to do its thing.
WOW THAT WAS A LOT OF TYPING.
Anyway, can anyone help me with this problem? I know the RAM and the motherboard are compatible, but I can not think of what the problem is? I am running the RAM at the rated speed and the motherboard is compatible with DDRC up to 2000mhz so I don't know what to do except contact G. Skill customer service.
Thanks a bunch for any help!
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