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Windows 7 Reinstall Ram issues

Last response: in Windows 7
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February 4, 2010 3:18:47 PM

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
a b $ Windows 7
February 4, 2010 5:41:51 PM

Other than home basic, all windows 7 retail boxes should come with both 32bit and 64bit. Are you sure you used the right disc?
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February 4, 2010 7:47:49 PM

it says it 64 bit in every menu,
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a b $ Windows 7
February 4, 2010 8:23:13 PM

What does the BIOS show?
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February 4, 2010 8:33:13 PM

aford10 said:
What does the BIOS show?

bios shows 4gb
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a b $ Windows 7
February 4, 2010 8:41:16 PM

Check in the resource monitor to see if the missing memory is reserved for hardware.
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February 4, 2010 8:42:52 PM

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
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a b $ Windows 7
February 4, 2010 8:44:27 PM

That's your missing memory.
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February 4, 2010 8:45:23 PM

how do i get it back, it wasnt like that before
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a b $ Windows 7
February 4, 2010 8:57:33 PM

I don't have an answer for you on that one.
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February 6, 2010 2:03:59 PM

does someone know to get the ram back?
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a b $ Windows 7
February 6, 2010 4:17:28 PM

I've read that some have had success enabling memory remapping in the BIOS. Not all BIOSs have that option though.
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February 7, 2010 11:44:42 PM

so is that like flashing the bios?
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!