Windows 11 Dual Screen problem

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Deleted member 36428

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I have NVIDIA connected to DP and Intel iGPU to HDMI. When Screensaver turned off monitor signal goes to HDMI instead DP and show black screen and i need to change back to DP. How to solve this?
 
I don't have onboard graphics, I have connected my main monitor to DP via a DP to VGA adapter and my second monitor to HDMI. I have set them to extent my main display to the second, so when I move my mouse to the right it shows on the second monitor. I use it so I can watch a full-screen movie or series while working on the primary monitor. I rarely use a screensaver or lock my PC, but as far as I remember I don't have any issues, the primary screen is always enabled. Why did you connect your second screen at the onboard card? Why don't you just connect it at the HDMI of the discreet nVidia card?
 

My Computers My Computers

  • At a glance

    Windows 11 Pro 23H2 (7584), 26H2 (9711)Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz4GBMobile Intel(R) GMA 4500M (Mobile 4 series)
    OS
    Windows 11 Pro 23H2 (7584), 26H2 (9711)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    802.11g wireless 54 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.
  • At a glance

    Windows 11 Pro 26H2 (build 26300.9711)Intel Core-i7 3770 3.40GHz s1155 (3rd generat...2x Kingston Hyper-X Blu 8GB DDR3-1600GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB...
    Operating System
    Windows 11 Pro 26H2 (build 26300.9711)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Microsoft Compact Optical Mouse
    Internet Speed
    802.11ac 5GHz wireless 260Mpbs
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
Go in to your BIOS/UEFI, in there somewhere will be settings for iGPU and GPU priorities or something to that effect.
The default is usually the GPU PCI-E Card, but from what you say the default seems to be iGPU.
Depends on choices they give you in the BIOS/UEFI.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
What kind of Nvidia card is this?
 

My Computers My Computers

  • At a glance

    Win 11 Pro 25H2Intel i7 13700KF32 GB Team Group DDR5 - 6000 CL 30ASUS TUF GAMING RTX 3070 Ti
    OS
    Win 11 Pro 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Intel i7 13700KF
    Motherboard
    Gigabyte Z790 UD AC
    Memory
    32 GB Team Group DDR5 - 6000 CL 30
    Graphics Card(s)
    ASUS TUF GAMING RTX 3070 Ti
    Sound Card
    On board Realtek
    Monitor(s) Displays
    ACER 34 inch
    Screen Resolution
    Not 4K like I thought. 35" wide though.
    Hard Drives
    1 TB Samsung 980 Pro Nvme, 1 TB Samsung 970 EVO Nvme, 2 x Samsung 970 2TB SSD SATA
    PSU
    EVGA 1000Q
    Case
    Rosewill something or other
    Cooling
    Noctua NH-D15. A whole schwak of Noctua case fans. $$$
    Keyboard
    Logitech G815
    Mouse
    Logitech G502 Hero
    Internet Speed
    700 up, 600 down
    Browser
    Firefox
    Antivirus
    MalwareBytes
  • At a glance

    Widows 11 ProRyzen 2700X32 GB DDR4XFX Radeon R9 280
    Operating System
    Widows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Ryzen 2700X
    Motherboard
    MSI X470 Gaming Plus Max
    Memory
    32 GB DDR4
    Graphics card(s)
    XFX Radeon R9 280
    Sound Card
    Onboard
    Monitor(s) Displays
    Two 27 inch Acer monitors
    Screen Resolution
    1920 x 1080
    Hard Drives
    One 1 TB NVME (Samsung)
    PSU
    Corsair 750 Watt
    Case
    HAF 912
    Cooling
    Wraith cooler and case fans
    Keyboard
    Logitech G710+
    Mouse
    Generic
    Internet Speed
    700 down, 650 up
    Browser
    Firefox, Chrome
    Antivirus
    Malware bytes
My advice is to connect both the DP cable and the HDMI cable to the back of the RTX 4080. That should solve your problem.
 

My Computers My Computers

  • At a glance

    Win 11 Pro 25H2Intel i7 13700KF32 GB Team Group DDR5 - 6000 CL 30ASUS TUF GAMING RTX 3070 Ti
    OS
    Win 11 Pro 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Intel i7 13700KF
    Motherboard
    Gigabyte Z790 UD AC
    Memory
    32 GB Team Group DDR5 - 6000 CL 30
    Graphics Card(s)
    ASUS TUF GAMING RTX 3070 Ti
    Sound Card
    On board Realtek
    Monitor(s) Displays
    ACER 34 inch
    Screen Resolution
    Not 4K like I thought. 35" wide though.
    Hard Drives
    1 TB Samsung 980 Pro Nvme, 1 TB Samsung 970 EVO Nvme, 2 x Samsung 970 2TB SSD SATA
    PSU
    EVGA 1000Q
    Case
    Rosewill something or other
    Cooling
    Noctua NH-D15. A whole schwak of Noctua case fans. $$$
    Keyboard
    Logitech G815
    Mouse
    Logitech G502 Hero
    Internet Speed
    700 up, 600 down
    Browser
    Firefox
    Antivirus
    MalwareBytes
  • At a glance

    Widows 11 ProRyzen 2700X32 GB DDR4XFX Radeon R9 280
    Operating System
    Widows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Ryzen 2700X
    Motherboard
    MSI X470 Gaming Plus Max
    Memory
    32 GB DDR4
    Graphics card(s)
    XFX Radeon R9 280
    Sound Card
    Onboard
    Monitor(s) Displays
    Two 27 inch Acer monitors
    Screen Resolution
    1920 x 1080
    Hard Drives
    One 1 TB NVME (Samsung)
    PSU
    Corsair 750 Watt
    Case
    HAF 912
    Cooling
    Wraith cooler and case fans
    Keyboard
    Logitech G710+
    Mouse
    Generic
    Internet Speed
    700 down, 650 up
    Browser
    Firefox, Chrome
    Antivirus
    Malware bytes
Exactly what I said. Back when graphics cards had only a single VGA output, the only way to connect a second monitor was to have two cards, such as an onboard (aka iGPU) and a discrete one. But since many years ago all graphics cards have two or three outputs, so all you need is the appropriate cable or adapter.
 

My Computers My Computers

  • At a glance

    Windows 11 Pro 23H2 (7584), 26H2 (9711)Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz4GBMobile Intel(R) GMA 4500M (Mobile 4 series)
    OS
    Windows 11 Pro 23H2 (7584), 26H2 (9711)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    802.11g wireless 54 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.
  • At a glance

    Windows 11 Pro 26H2 (build 26300.9711)Intel Core-i7 3770 3.40GHz s1155 (3rd generat...2x Kingston Hyper-X Blu 8GB DDR3-1600GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB...
    Operating System
    Windows 11 Pro 26H2 (build 26300.9711)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Microsoft Compact Optical Mouse
    Internet Speed
    802.11ac 5GHz wireless 260Mpbs
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
Hey Deleted member 36428,

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