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have 8 gb RAM, bios and windows says that i only can use 4 gb

i have 8 GB RAM but bios and windows says that only 4 GB can be used?
my dad has the same problem, so this is just a thing that could happend on some some computers and there is there is nothing wrong with it? and that i am utilizing all the RAM?
8 answers Last reply Best Answer
More about ram bios windows
  1. What version of Windows do you have installed (Vista, Windows 7, Windows 8, etc.), and is it the 64-bit or 32-bit version?

    If BIOS only shows 4 GB then that's all you have. If you have 8 GB installed and only 4 GB shows up in BIOS, then 4 GB of it is either incompatible or not mounted properly in the DIMM (RAM module socket on the motherboard).
  2. mbreslin1954 said:
    What version of Windows do you have installed (Vista, Windows 7, Windows 8, etc.), and is it the 64-bit or 32-bit version?

    If BIOS only shows 4 GB then that's all you have. If you have 8 GB installed and only 4 GB shows up in BIOS, then 4 GB of it is either incompatible or not mounted properly in the DIMM (RAM module socket on the motherboard).


    thanks for the advice!
    ok i will see if not mounted propely,
    i am using windows 8.1 64 bit
    it says something like this: 8 GB is installed(4 GB can be used)
  3. OK, what's telling you that 8 GB is installed? BIOS or Windows? What does BIOS tell you and what does Windows tell you?
  4. mbreslin1954 said:
    OK, what's telling you that 8 GB is installed? BIOS or Windows? What does BIOS tell you and what does Windows tell you?


    yes, it is only windows that says only 4 GB can be used.
    bios says all can be used.
    i can also see in task manager that i only have 4 GB installed
  5. Best answer
    What part of Windows tells you that you can only use 4 GB? Where do you see that, and exactly what does it say? Is it just Task Manager? What does it say if you go into Control Panel --> System and look at your system specs?

    Download and install Speccy and tell me what it says about your RAM (the free version):

    https://www.piriform.com/speccy/download
  6. mbreslin1954 said:
    What part of Windows tells you that you can only use 4 GB? Where do you see that, and exactly what does it say? Is it just Task Manager? What does it say if you go into Control Panel --> System and look at your system specs?

    Download and install Speccy and tell me what it says about your RAM (the free version):

    https://www.piriform.com/speccy/download




    ok its solved, it was just i had but the sticks in the slot.
  7. Omg. Any windows 32-bit system will work with a maximun of 4Gb Ram steel you have 8 Gb ram mounted. So in that case you will nee a 64-bit system. Other wise make sure is if you have exactly the same kit of ram modules mounted. That´s all.
  8. He said he's using 64-bit Windows 8.1
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