Windows 7 Reinstall Ram issues

I had to reinstall Windows 7 as the boot files went missing and couldn't be repaired, i successfully installed windows 7 but found a problem with my ram

3.75 usable out of 4gb, where as before with win 7 i had my full 4gb usable.

i think its an issue with bios reserving memory. but i dont know how to free the memory up?

amd turion dual-core rm74
4gb ram
500gb hdd
amd 780g Chipset
amd radeon hd 3200

windows 7 home premium 64bit
phenoix 1.05

acer aspire 5336

thanks
13 answers Last reply
More about windows reinstall issues
  1. Other than home basic, all windows 7 retail boxes should come with both 32bit and 64bit. Are you sure you used the right disc?
  2. it says it 64 bit in every menu,
  3. What does the BIOS show?
  4. aford10 said:
    What does the BIOS show?

    bios shows 4gb
  5. Check in the resource monitor to see if the missing memory is reserved for hardware.
  6. aford10 said:
    Check in the resource monitor to see if the missing memory is reserved for hardware.

    there is 258 reserved for bios and drivers
  7. That's your missing memory.
  8. how do i get it back, it wasnt like that before
  9. I don't have an answer for you on that one.
  10. does someone know to get the ram back?
  11. I've read that some have had success enabling memory remapping in the BIOS. Not all BIOSs have that option though.
  12. so is that like flashing the bios?
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