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pc problem possible motherboard broken.

Tags:
  • BIOS
  • GPUs
  • Motherboards
  • Memory
Last response: in Motherboards
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January 21, 2014 5:06:10 AM

hi
This is my setup :
OS: windows ultimate 64-Bit
CPU: intel i7-870
Motherboard: Gigabyte GA-P55A-UD4
graphics card: Gigabyte GTX 580 Super Overclock (dual BIOS)
RAM: 4 x 2GB A-Data gaming series 1600Mhz

My pc is 3 years old and i have this problem for over a year now

this is my problem :

When my pc boots there is only 8183Mb of memory then if i check my BIOS it says total memory 8192Mb total and extended memory 8183Mb. Then i check my DIMM's in the bios and all of them are 2048Mb. after booting windows aprox. 10-20 minutes(sometimes it takes hours) later my pc freezes or gives a BSOD(page not found). I need to manualy reboot him and then there is only 4086Mb of memory available(after this he never freezes again). if the pc is powered off for a day it goes back to the 8183Mb of Ram and freezes again.also sometimes it happens that my BIOS of my GPU is corrupted then i need to switch the BIOS and switch back to repair it. i can also happen that when my pc is at 8Gb of ram he freezes inside the BIOS screen. Now i installed windows 8.1 on the pc and now he freezes when loading windows and when he's loading the recovery cd (so i cant access windows settings).

edit: when the pc freezes it doesnt matter if i'm working on it or not.

Things i tried for fixing it.

    -Memtest of each DIMM separately and in tests in pairs (each test was running for 4-5 hours).
    -Flashed BIOS(motherboard) to latest version.
    -Let the ram run at 1333Mhz.
    -Checked the memory of my GPU.


so what could be the problem? is it possible that my motherboard or something else is broken ?

thanks for the help

greets

More about : problem motherboard broken

a c 1185 V Motherboard
a c 251 } Memory
January 21, 2014 6:15:46 AM

Since all modules past memtest it is possible that the slots or one channel on the board is failing. Check if it is running in Single channel when you loose the 4GB.
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January 22, 2014 5:11:33 AM

rolli59 said:
Since all modules past memtest it is possible that the slots or one channel on the board is failing. Check if it is running in Single channel when you loose the 4GB.


well i was going to reply that my pc found a way to boot up windows 8.1 and that he was running for over 20 hours but just when i wanted to hit answer he gave a BSOD :D  i took some pictures of the BIOS of the channels and it seems that the bios blocks out channel 3 and 4 when he drops the 4GB.
here are the pics

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a c 1185 V Motherboard
a c 251 } Memory
January 22, 2014 6:31:39 AM

Looks like it is dropping a channel which is between the motherboard and the CPU which has the memory controller on it.
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January 22, 2014 6:43:06 AM

rolli59 said:
Looks like it is dropping a channel which is between the motherboard and the CPU which has the memory controller on it.

is there a fix for it or is the fix a new mobo ?
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Best solution

a c 1185 V Motherboard
a c 251 } Memory
January 22, 2014 9:51:12 AM

Most of the time when it is because of either motherboard or CPU it is the board so most likely we are looking at new motherboard.
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January 22, 2014 10:03:44 AM

rolli59 said:
Most of the time when it is because of either motherboard or CPU it is the board so most likely we are looking at new motherboard.


oke thanks for the help
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