My PC has 8GB of RAM it used to have 7.90GB usable but now its 3.16 GB usable what do i do

[saif_1996]

im freaken out my pc had 7.90 usable of RAM but now its only 3.16 usable

i have no idea why this happened just today it was 7.90 i played bf3 and it was 50-80 fps but now i played it, it ran only 20-30 fps no matter what quality i used!

please help tell me what to do i cant take it to the place i got it the warranty finished just a couple of weeks ago

so what do i do please please please help im really freaken out its 3am and i just cant sleep knowing my pc is now like that please help

 

[Wolfshadw]

Sounds like one of your RAM modules died. Unplug the case and open it up. Remove one of the RAM modules. Close the case, plug it back in and turn on your system. Check to make sure it still says 3.16 usable memory.

Shut down your system and unplug it. Swap the memory modules. Close the case, plug it back in and turn on your system. Check to make sure it still says 3.16 usable memory. Repeat this step for each RAM module.

If at any time, with only one RAM module installed, your system fails to boot up, you have found your faulty module. While you may be able to replace just that one module, it may be easier to just replace the entire set (depending on how many modules are installed).

-Wolf sends

 

[Tavo_Nova]

maybe some of your ram went down or ram slot, did you try memtest?

 

[Maxime506]

Does your system properties (right click "Computer" icon on the desktop and click "properties" to call out the dialog box)show that the total installed RAM is 8GB or 4GB (3.16GB usable)? (I think there may be some hardware issues which causes the usable RAM decreases)

 

[saif_1996]

Does your system properties (right click "Computer" icon on the desktop and click "properties" to call out the dialog box)show that the total installed RAM is 8GB or 4GB (3.16GB usable)? (I think there may be some hardware issues which causes the usable RAM decreases)

so how do i fix it?

 

[Maxime506]

U don't even tell me how much total RAM installed when u clicked system properties, I know your total RAM is 8GB but how much does the system show?

 

[saif_1996]

U don't even tell me how much total RAM installed when u clicked system properties, I know your total RAM is 8GB but how much does the system show?

i fixed it, it is 64 bit and has 8GB of RAM but it ran 3.16 but now its 7.16 any help with that? can i make it a full 8GB of ram usable?

 

[iAmaNoob]

I'm afraid not, some RAM are reserved for the usage of the OS and other programs at start up.
So no.

 

[Maxime506]

Could u give all the details of your rig? Especially the CPU, mobo and GPU.

And what OS do u use now?

r'u adding some hardware recently, probably the lost 800M RAM is reserved by hardware. Go to resource monitor and check out the RAM allocation.