8GB of RAM installed, Windows sees only 4

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cb2367

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I'm certain I have the right memory installed. I just noticed that Windows seems to think I only have 4GB installed (I have 8 installed). In doing some research about this, I found that maybe the BIOS needs to be updated. I don't want to update the BIOS unless necessary in order to avoid something getting messed up.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom Built
    CPU
    Intel I7-4790K
    Motherboard
    Asus Z97-A
    Memory
    G.Skill DDR3-1866 PC3 8GB
    Graphics Card(s)
    Sapphire Radeon R9-280x
    Monitor(s) Displays
    Acer
    Hard Drives
    Samsung 850 Pro 256GB SSD
    Western Digital 1TB HDD
    PSU
    SeaSonic x-650
    Case
    Corsair 600T
    Cooling
    HyperMaster 212 Evo
If you are running 32 bit then that's what you get. 32Bit can only see 4GB max.
 

My Computer

System One

  • OS
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home Brewed
    CPU
    I7 4970K OC'ed @4.7 GHz
    Motherboard
    MSI-Z97
    Memory
    16 GB G-Skill Trident X @2400MHZ
    Graphics Card(s)
    NVIDIA GeForce GTS 450
    Sound Card
    X-Fi Titanium Fatal1ty Professional Series
    Monitor(s) Displays
    Dual HP-W2408
    Screen Resolution
    1920X1200
    Hard Drives
    256 GB M2 sm951, (2) 500GB 850EVO, 5TB, 2 TB Seagate
    PSU
    Antec 850W
    Case
    Antec 1200
    Cooling
    Danger Den H20
    Keyboard
    Logitech
    Mouse
    Logitech Performance Mouse MX
    Internet Speed
    35/12mbps
    Browser
    Firefox
Well, the version of Windows I got was a full version download 32 bit and 64 bit. I'm sure that I'm seeing in the system configuration that the version of Windows installed is 64-bit
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom Built
    CPU
    Intel I7-4790K
    Motherboard
    Asus Z97-A
    Memory
    G.Skill DDR3-1866 PC3 8GB
    Graphics Card(s)
    Sapphire Radeon R9-280x
    Monitor(s) Displays
    Acer
    Hard Drives
    Samsung 850 Pro 256GB SSD
    Western Digital 1TB HDD
    PSU
    SeaSonic x-650
    Case
    Corsair 600T
    Cooling
    HyperMaster 212 Evo
Have you noticed some hardware reserved memory ?
Is memory remap feature enabled in BIOS?
 

My Computer

System One

  • OS
    Windows 10.0.10122
    Computer type
    PC/Desktop
    System Manufacturer/Model
    My Build - Vorttex Ultimate
    CPU
    Core i7 @ 4500 MHz
    Motherboard
    ASUS Z87-Plus
    Memory
    32GB DDR3 @ 1822 MHz (OC)
    Graphics Card(s)
    Radeon R9 280X 3GB @ 1180 / 6800 MHz
    Sound Card
    7.1 HDA
    Monitor(s) Displays
    LCD LG 22" + CRT LG 17"
    Screen Resolution
    1760 x 1320 / 1280 x 960
    Hard Drives
    1 x 240 GB SSD (System)
    3 x 500 GB HDD (Data/Media)
    1 x 2000 GB e-HDD (Backup)
    PSU
    ThermalTake 1000W PSU
    Case
    Corsair Carbide R300
    Cooling
    Corsair H60 (Push-Pull)
    Keyboard
    Microsoft Wireless Keyboard
    Mouse
    Microsoft Wireless Mouse
    Internet Speed
    60 Mbps (Down) 5 Mbps (Up)
    Browser
    IE, FF, Chrome
    Antivirus
    AVG Internet Security 2015
    Other Info
    Some wired stuff
Firstly double-check here and here, if you are using compatible RAM, as you didn't put the whole kit-name into your System Specs.

:)
 

My Computer

System One

  • OS
    Windows-10-Pro-Build-11099.rs1-x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom-Build
    CPU
    Intel Core i7 3770k @4800MHz
    Motherboard
    Asus P8Z77-V
    Memory
    G.Skill 16G(4*4G) DDR3-2400 Quad Channel [TDX] F3-2400C10Q-16GTX
    Graphics Card(s)
    2x Gigabyte GTX980-Ti-OC-STRIX-6GB in 2-Way-SLI (1408MHz | Boost: 1544MHz | Memory-Clock: 8000MHz)
    Sound Card
    OnBoard Realtek® ALC892 8-Channel High Definition Audio
    Monitor(s) Displays
    Asus VE278Q 27" Wide Led Black Full HD 2ms | Dell S2409W 24" 5ms
    Screen Resolution
    1920x1080
    Hard Drives
    - Intel 520S 240GB/SATA3/R 550MBs,W 520MBs/25nm/3.5"Kit/5yr
    - Samsung 840 EVO SATA3 500GB
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Constellation SATA3 3TB 7200RPM 64mb Cache
    -
    PSU
    Corsair AX1200i
    Case
    Thermaltake Level-10 GT LCS
    Cooling
    EK H3O HFX 240mm Liquid Cooling Kit + 2x EK-480-Rads + GPU-Blocks + Gelid Extreme
    Keyboard
    Roccat Isku | Logitech G13 | XBox 360 Controller wired | Logitech Dual Action GamePad
    Mouse
    Roccat Pure Military Dessert Strike | Shogun Bros. Ballista MK-1 | Cyborg R.A.T. 7 Infection
    Internet Speed
    ADSL2+ ~15MBit/s DL | ~1MBit/s UL
    Browser
    Google Chrome
    Antivirus
    Windows Defender
    Other Info
    - Logitech Extreme 3D Pro Joystick
    - Plantronics GameCom Commander Headset
    - Logitech X-210 Speakers
    - Roccat Taito Mid-Size 5mm
    - PC-Master-Race MousePad (yellow)

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom Built
    CPU
    Intel I7-4790K
    Motherboard
    Asus Z97-A
    Memory
    G.Skill DDR3-1866 PC3 8GB
    Graphics Card(s)
    Sapphire Radeon R9-280x
    Monitor(s) Displays
    Acer
    Hard Drives
    Samsung 850 Pro 256GB SSD
    Western Digital 1TB HDD
    PSU
    SeaSonic x-650
    Case
    Corsair 600T
    Cooling
    HyperMaster 212 Evo
Check the BIOS and see if all 8GB is recognized in the BIOS. Windows will only recognize what the BIOS recognizes.
 

My Computer

System One

  • OS
    Win 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home Built
    CPU
    i7 6700K
    Motherboard
    ASUS ROG Maximus VIII Hero
    Memory
    16 Gb G Skill TridentZ DDR4 3400
    Graphics Card(s)
    Intel (i7 CPU)
    Sound Card
    RealTek Integrated
    Monitor(s) Displays
    27" Dell SE2717HR
    Screen Resolution
    1920X1080
    Hard Drives
    500GB Samsung 850 SSD, 3TB for backups
    PSU
    EVGA Supernova 750 G2
    Case
    BeQuiet Silent Base 600
    Cooling
    Deepcool Captain 120EX
    Keyboard
    Microsoft Wireless
    Mouse
    Logitech wireless
    Internet Speed
    Cable - 100MB Downlink
    Browser
    Edge/Firefox
    Antivirus
    Microsoft
    Other Info
    Sonar Platinum 64 bit recording studio software with MOTU 896Mk3 Hybrid recording interface unit.
I have memory installed in banks 1 and 3. The BIOS only sees bank 3, therefore, only 4GB of RAM.

So now what do I need to do? Take out the RAM and put it back in? Is one of the sticks bad?
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom Built
    CPU
    Intel I7-4790K
    Motherboard
    Asus Z97-A
    Memory
    G.Skill DDR3-1866 PC3 8GB
    Graphics Card(s)
    Sapphire Radeon R9-280x
    Monitor(s) Displays
    Acer
    Hard Drives
    Samsung 850 Pro 256GB SSD
    Western Digital 1TB HDD
    PSU
    SeaSonic x-650
    Case
    Corsair 600T
    Cooling
    HyperMaster 212 Evo
Download AIDA64 and check if both DIMM-Slots are shown as "full", if not swap the Sticks around and check again.

If now a different DIMM-Slot is shown as full, then 1 Stick is most likely faulty.

Make sure that you put them in the right slots too.

:)
 

My Computer

System One

  • OS
    Windows-10-Pro-Build-11099.rs1-x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom-Build
    CPU
    Intel Core i7 3770k @4800MHz
    Motherboard
    Asus P8Z77-V
    Memory
    G.Skill 16G(4*4G) DDR3-2400 Quad Channel [TDX] F3-2400C10Q-16GTX
    Graphics Card(s)
    2x Gigabyte GTX980-Ti-OC-STRIX-6GB in 2-Way-SLI (1408MHz | Boost: 1544MHz | Memory-Clock: 8000MHz)
    Sound Card
    OnBoard Realtek® ALC892 8-Channel High Definition Audio
    Monitor(s) Displays
    Asus VE278Q 27" Wide Led Black Full HD 2ms | Dell S2409W 24" 5ms
    Screen Resolution
    1920x1080
    Hard Drives
    - Intel 520S 240GB/SATA3/R 550MBs,W 520MBs/25nm/3.5"Kit/5yr
    - Samsung 840 EVO SATA3 500GB
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Constellation SATA3 3TB 7200RPM 64mb Cache
    -
    PSU
    Corsair AX1200i
    Case
    Thermaltake Level-10 GT LCS
    Cooling
    EK H3O HFX 240mm Liquid Cooling Kit + 2x EK-480-Rads + GPU-Blocks + Gelid Extreme
    Keyboard
    Roccat Isku | Logitech G13 | XBox 360 Controller wired | Logitech Dual Action GamePad
    Mouse
    Roccat Pure Military Dessert Strike | Shogun Bros. Ballista MK-1 | Cyborg R.A.T. 7 Infection
    Internet Speed
    ADSL2+ ~15MBit/s DL | ~1MBit/s UL
    Browser
    Google Chrome
    Antivirus
    Windows Defender
    Other Info
    - Logitech Extreme 3D Pro Joystick
    - Plantronics GameCom Commander Headset
    - Logitech X-210 Speakers
    - Roccat Taito Mid-Size 5mm
    - PC-Master-Race MousePad (yellow)
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