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Ram not usable?

post #1 of 4
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So I have 4 sticks of 2gb ram in my rig, as listed in my sig below. I had installed the vengeance in my mobo and my bios still only said 4gbs or ram and windows said 8gbs installed but only 4gbs usable. So i reset the cmos and now my bios, cpuz etc says 8gbs and windows still says only 4gbs usable. I don't know if it is affecting my overclocking abilities but right now I would like to figure out why windows says only 3.96 gigs usable
   
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Spare Rigs
(13 items)
 
CPUMotherboardGraphicsRAM
core 2 duo P8700@2.53GHz 2242CTO Intel X4500MHD 4gb 
Hard DriveOptical DriveOSMonitor
fujitsu 320gb dvd rom cd/rw Windows 7 Professional x64 15.4" 
PowerCaseMouse
Panasonic 6-cell + 65W AC adapter lenovo t500 Logitech MX518 
CPUMotherboardGraphicsRAM
Intel i5 760 evga p55 sli MSI gtx460 Hawk corsair dominator 
Hard DriveCoolingOSMonitor
kingston ssdnow hyper 212+ windows 7 professional sam syncmaster 
MonitorKeyboardPowerCase
Acer Razer Blackwidow ocz 650W coolermaster elite 335 
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Logitech MX518 
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post #2 of 4
might be compatibillity off you ram you gott 4 g off patriot and 4 gig off corsair
they might be incompatoble with each other are they the sam fsb or are they differnt are the timmings the same have you tried each set on thiere own
if i was you i try and get the same make and model off ramm ie just sell one set off ramm and try and get the same ramm as installed it should work fine then
    
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i7 3770k asus rog maximus v formular evga gtx760 acx evga gtx760 acx 
RAMHard DriveHard DriveHard Drive
g skill ripjaws x samsung 850 evo 240gig toshiba 3tb toshiba 3tb 
Hard DriveHard DriveHard DriveHard Drive
toshiba 3tb toshiba 3tb samsung 830 120gb seagate external 3tb 
Hard DriveHard DriveOptical DriveOptical Drive
western digital external 320 gig hitachi external 500gig liteon blue ray drive liteon dvd burner 
CoolingOSMonitorKeyboard
water windows 10 home / also windows 10 pro insider p... hitachi 40hxc06ub razer 
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post #3 of 4
Take out the Patriots, and keep the Corsair.
Soon to be...
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post #4 of 4
Try going into msconfig, Boot, Advanced Options and make sure the Maximum memory box is unchecked.
Heisenberg
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Heisenberg
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Phenom II X6 1075T MSI 870A-G54 Gigabyte AMD Radeon R9 290 4GB Patriot Viper 
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8GB Kingston SanDisk X110 256GB WD Caviar Black 1TB Samsung Bluray drive 
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