[luijo8989]

hi i have 8 gb ram but 2.90 usable in msconfig both box are unchecked , my bios remaping is enable.

specs: 
processor: amd fx-8350
mobo: ASUS M5A97 R2.0 AM3+ AMD
Ram: 2x4 Corsair vengeance 1330MHZ
HDD: 2 western , and seagate
EVGA 700W bronze 80 plus
bios version 2010
R9 280X 4 gb ram (It have it owns ram)

it says hardware reserved 4.1 how i remove it ? 

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Hello luijo8989... and

 

 

What version of Windows are you running?  Do you know if it's 32-bit or 64-bit?

[Fusionbomb]

Hello luijo8989... and

 

 

What version of Windows are you running?  Do you know if it's 32-bit or 64-bit?

[luijo8989]

Hello luijo8989... and

 

 

What version of Windows are you running?  Do you know if it's 32-bit or 64-bit?

windows 8 64 bits

[Fusionbomb]

Your mobo has 4 slots for RAM?  Do you have the sticks in the 1st and 3rd slots?

 

Have you confirmed each stick of RAM to be good by trying each one separately in the 1st slot?

 

 

If you answer yes to the questions above, maybe try what this guy did:

Spoiler

I had the same problem.

I think that the shortcut to fixing this problem is to reduce the speed of the RAM manually by one speed level in the BIOS. Maybe Asus's RAM's auto speed check does not work properly!!!

( As you know to get into the BIOS on an ASUS you press the delete key or the F2 key when the message appears on the screen when you are loading up the computer (ie booting the computer). I write this to help others that don't understand how to get into the BIOS).

In case this does not work then the following is what I did to fix it:

I pressed the MeMOK! button on my Asus M5A97 R2.0 motherboard (It is near the RAM - see the manual for the motherboard) (and maybe I pressed the BIOS Flashback button briefly - I can't remember if I did this second button or not. If I did then I did it afterwards.) I found that the auto speed of the RAM was changed to 1333Mhz instead of 1600MHz that I definitely remember it was originally in the BIOS. I can't remember what speed the RAM was on its box when I bought it. I don't want to take it out now that I have got it working. Sorry.

I now have the full 8GB working properly without the 3.9GB useable message.

[luijo8989]

i tried that already it doesnt work i notice that my bios ram speed was 1033MHZ no is 1600MHZ my ram speed but it still the same . I clicked the memok button too/