Solved hi and help with graphic card windows 8.1

bumbleskulls

New Member
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hi all i have windows 8.1 and a geforce gt640 graphic card when i connect my monitor to the card it wont boot but when i put monitor cable onto onboard graphics it boots how can i make it so i can use my gt640 card instead of onboard pls
 

My Computer

System One

  • OS
    windows 8.1
That makes no sense to me. Did you find an article somewhere that suggested doing this? If so, could you post a link to it?

Do several Windows Updates (3 or more) until all updates have been installed. Also check Optional updates, see if there are any for the Geforce GT640 and install them.

Once that has completed, enable Secure Boot and see what happens.
 

My Computer

System One

  • OS
    Windows 10 Pro X64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Lenovo IdeaCenter K450
    CPU
    Intel Quad Core i7-4770 @ 3.4Ghz
    Motherboard
    Lenovo
    Memory
    16.0GB PC3-12800 DDR3 SDRAM 1600 MHz
    Graphics Card(s)
    Intel Integrated HD Graphics
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    HP h2207
    Screen Resolution
    1680x1050@59Hz
    Hard Drives
    250GB Samsung EVO SATA-3 SSD;
    2TB Seagate ST2000DM001 SATA-2;
    1.5TB Seagate ST3150041AS SATA
    PSU
    500W
    Keyboard
    Wired USB
    Mouse
    Wired USB
    Internet Speed
    3GB Up, 30GB Down
    Browser
    SeaMonkey
    Antivirus
    Windows Defender; MBAM Pro
    Other Info
    UEFI/GPT
    PLDS DVD-RW DH16AERSH

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    HP ENVY 700-074
    CPU
    Intel Core i5 4430 @ 3.00 GHz
    Motherboard
    MS-7826 (Kaili)
    Memory
    12 GB
    Graphics Card(s)
    Nvidia GeForce GT 740
    Sound Card
    Integrated IDT 92HD68E2 Audio
    Monitor(s) Displays
    Samsung S27C230B
    Screen Resolution
    1920 x 1080
    Hard Drives
    240 GB Kingston SSDNow V300 Series
    PSU
    stock
    Case
    stock
    Cooling
    stock
    Keyboard
    Logitech K520
    Mouse
    Logitech M310
    Browser
    Fire Fox
    Antivirus
    Eset Smart Security 7
Well I'll be dipped! Many thanks for that link WinUser.


How Secure Boot works

Secure Boot Configuration is a new feature in BIOS 8 that allows your computer to validate the authenticity of components like hardware and firmware. When your computer was manufactured, UEFI created a list of keys that identify trusted hardware, firmware, and OS loader code. It also created a list of keys to identify known malware. When Secure Boot is enabled, the computer checks that everything being loaded and used even before Windows opens is safe and recognized. Secure Boot also checks the validity of critical hardware, including the motherboard and video card. Any malware or other firmware code that is not recognized is blocked. For example, Secure Boot can prevent your computer from starting from illegally copied CDs or DVDs that could harm the computer. Secure Boot does not lock out valid recovery discs or Windows discs.

If an older model video card is installed in the computer, Secure Boot might not recognize it as valid hardware. If the card is not recognized, Windows does not use the card when it boots up, and you may experience problems starting the computer, or there might be no video output at all.

To resolve the issue, you can use a video card that Secure Boot recognizes, or you can disable Secure Boot and enable Legacy Boot in the BIOS. This document explains how to disable Secure Boot and enable Legacy Boot.

Bumbleskulls, my apologies, your fix is right on the money.
 

My Computer

System One

  • OS
    Windows 10 Pro X64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Lenovo IdeaCenter K450
    CPU
    Intel Quad Core i7-4770 @ 3.4Ghz
    Motherboard
    Lenovo
    Memory
    16.0GB PC3-12800 DDR3 SDRAM 1600 MHz
    Graphics Card(s)
    Intel Integrated HD Graphics
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    HP h2207
    Screen Resolution
    1680x1050@59Hz
    Hard Drives
    250GB Samsung EVO SATA-3 SSD;
    2TB Seagate ST2000DM001 SATA-2;
    1.5TB Seagate ST3150041AS SATA
    PSU
    500W
    Keyboard
    Wired USB
    Mouse
    Wired USB
    Internet Speed
    3GB Up, 30GB Down
    Browser
    SeaMonkey
    Antivirus
    Windows Defender; MBAM Pro
    Other Info
    UEFI/GPT
    PLDS DVD-RW DH16AERSH
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