Windows 11 does not work with monitor using Display Port?


I'm still waiting Asus to respond me back :-) I've sent dxdiag output, some videos showing what's happening, etc.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Own
    CPU
    Intel I7 12700k
    Motherboard
    Asus Prime Z690-P Wifi D4
    Memory
    2x16Gb Corsair Vengeance LPX DDR4 3600 MHz
    Graphics Card(s)
    Integrated Intel 770 UHD
    Sound Card
    Integrated
    Monitor(s) Displays
    Philips 241b8q
    Screen Resolution
    1920x1080
    Hard Drives
    WD_BLACK SN850 500 GB
    Corsair MP600 Pro SSD 1TB
    PSU
    be quiet! Pure Power 11 cm ATX PC 600W 80Plus Gold
    Case
    be quiet! Pure Base 600
    Cooling
    Noctua NH-D15S
    Keyboard
    Logi
    Mouse
    Logi
Did you look into monitor settings? Of course this won't explain why it suddenly stopped working.
 

My Computer

System One

  • OS
    Linux
siepo said:
Did you look into monitor settings? Of course this won't explain why it suddenly stopped working.
Click to expand...
Of course my friend, nothing to do there...
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Own
    CPU
    Intel I7 12700k
    Motherboard
    Asus Prime Z690-P Wifi D4
    Memory
    2x16Gb Corsair Vengeance LPX DDR4 3600 MHz
    Graphics Card(s)
    Integrated Intel 770 UHD
    Sound Card
    Integrated
    Monitor(s) Displays
    Philips 241b8q
    Screen Resolution
    1920x1080
    Hard Drives
    WD_BLACK SN850 500 GB
    Corsair MP600 Pro SSD 1TB
    PSU
    be quiet! Pure Power 11 cm ATX PC 600W 80Plus Gold
    Case
    be quiet! Pure Base 600
    Cooling
    Noctua NH-D15S
    Keyboard
    Logi
    Mouse
    Logi
xvilar said:
Installing WIndows 11 from USB, with the computer connected using Display Port to the monitor.

Asus Prime Z690 Wifi D4 + Intel I7 12700k processor with Intel Integrated UHD Intel 770 graphic card
Philips 241b8q monitor connected using Display Port 1.2 4k UHD cable

Computer boots, BIOS, etc. Boot menu, I choose boot from USB, it boots. Then the installation wizard is shown, I select language, installation target disk, etc. etc. the installation begins... it does many things, and after a while, I'm asked to enter my user, and then screen seems to switch off and does not shown anything more ¿?

Computer seems to keep working, the Monitor continues working.... but nothing is shown in screen

what's happening with display port???
Click to expand...
Ummm, It works with mine with no problem
 

My Computers

System One System Two

  • OS
    Windows 11 Pro x64 24H2 v26200.5074
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built Myself in 2025
    CPU
    AMD Ryzen 9 3600X 12-Core @ 3.80GHz
    Motherboard
    MSI X570 Gaming Plus
    Memory
    Corsair 32GB DDR4
    Graphics Card(s)
    EVGA GeForce gtx 1660 Super
    Sound Card
    On Board
    Monitor(s) Displays
    2 X AOC 27" , Dell 27"
    Screen Resolution
    1920 X 1080
    Hard Drives
    ~~~~~~~~~~~~~~~~~~~~~~~~~~
    ~ P34A60 512GB NVMe PCIe Gen3x4 M.2
    ~ 6TB Toshiba HDD
    ~ 6TB HDD (Backup)
    ~ SanDisk 250GB SSD
    ~ 2 X 1TB HDD
    ~~~~~~~~~~
    PSU
    eVGA 750w G+
    Case
    GAMDIAS White ATX Mid Tower Gaming Computer PC Case w/Tempered Glass
    Cooling
    AMD Wraith Prism
    Keyboard
    Nulea RT05 Wireless Ergonomic
    Mouse
    Nulea MD280 Wireless Vertical Mouse
    Internet Speed
    761Mbps (Download) / 692Mbps (Upload)
    Browser
    Firefox
    Antivirus
    Malwarebytes
    Other Info
    *This is my Main Computer That I use*
  • Operating System
    Windows 11 Pro x64 24H2 v26100.2894
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 7 1800X @ 3.60Ghz
    Motherboard
    Asus Crosshair VI Hero
    Memory
    16GB
    Graphics card(s)
    AMD RX580
    Sound Card
    onBoard
    Monitor(s) Displays
    LG 27UK650-W 27", eMachine 22"
    Screen Resolution
    1920 X 1080
    Hard Drives
    250GB SSD
    PSU
    CORSAIR RM850
    Case
    GAMDIAS Black ATX Mid Tower Gaming Computer PC Case w/Tempered Glass
    Cooling
    Liquid
    Keyboard
    Nulea RT05 Wireless Ergonomic
    Mouse
    Nulea MD280 Wireless Vertical Mouse
    Internet Speed
    752Mbps (Download) / 537Mbps (Upload)
    Browser
    Firefox
    Antivirus
    Malwarebytes
    Other Info
    I use this computer for photo/video editing and to track severe weather
Latests test I've done and I've sent in videos, showing the issue to Asus:

  1. Booting with Display Port -> I start seeing boot, etc. Windows loading, but it goes black… and I’ve to disconnect DP in computer after more than 1:10 minutes and connect DP cable again. And then I got Windows 11 screen OK.
  2. Switch off monitor with Display Port KO -> I have Windows 11 working with display port, then I switch off monitor (power front button) and when I swicht on back again, it goes black… I’ve to disconnect DP in computer and connect DP again, and then I got Windows 11 screen OK
  3. Boting with HDMI -> everything Works ok, in few seconds it boots and i get Windows screen OK
  4. Switch off monitor with HDMI -> I have Windows 11 working with hdmi , then I switch off monitor (power front button) and when I swicht on back again it Works OK
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Own
    CPU
    Intel I7 12700k
    Motherboard
    Asus Prime Z690-P Wifi D4
    Memory
    2x16Gb Corsair Vengeance LPX DDR4 3600 MHz
    Graphics Card(s)
    Integrated Intel 770 UHD
    Sound Card
    Integrated
    Monitor(s) Displays
    Philips 241b8q
    Screen Resolution
    1920x1080
    Hard Drives
    WD_BLACK SN850 500 GB
    Corsair MP600 Pro SSD 1TB
    PSU
    be quiet! Pure Power 11 cm ATX PC 600W 80Plus Gold
    Case
    be quiet! Pure Base 600
    Cooling
    Noctua NH-D15S
    Keyboard
    Logi
    Mouse
    Logi
Checking the specs of the integrated GPU: Product Specifications

Processor Graphics​

  • Processor Graphics ‡Intel® UHD Graphics 770
  • Graphics Base Frequency300 MHz
  • Graphics Max Dynamic Frequency1.50 GHz
  • Graphics OutputeDP 1.4b, DP 1.4a, HDMI 2.1
Click to expand...

Checking the specs of the Monitor: searching this Phillips site shows 2 models, 41B8QTAA/27 and 241B8QJEB/27 but the tech specs for them look to be similar.

Buy the Philips Monitor LCD monitor 241B8QJEB/27 LCD monitor

Get your best work done with the Philips 24" Full HD monitor. Crisp and vivid Full HD gives you the space and clarity to see your work. Features like height-adjustment, Flicker-free and LowBlue mode make work easy-on-the eyes.
www.usa.philips.com www.usa.philips.com

Buy the Philips Monitor LCD monitor 241B8QTAA/27 LCD monitor

Get your best work done with the Philips 24" Full HD monitor. Crisp and vivid Full HD gives you the space and clarity to see your work. Features like height-adjustment, Flicker-free and LowBlue mode make work easy-on-the eyes.
www.usa.philips.com www.usa.philips.com

Connectivity

Signal Input
  • VGA (Analog )
  • DVI-D (digital, HDCP)
  • DisplayPort 1.2
  • HDMI 1.4
Click to expand...

So, your DP 1.2 cable is correct to use - but for some reason Windows may be trying to force a faster connection (perhaps by trying to initiate DSC) to the DP port on the monitor, which I cannot find any reliable information showing that the monitor actually supports it.

Have you tried some of the troubleshooting in the beginning of this general monitor troubleshooting page? b2c.article.details.page.social.title
 

My Computers

System One System Two

  • OS
    Windows 11 23H2 Current build
    Computer type
    PC/Desktop
    Manufacturer/Model
    HomeBrew
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spectrum ES07DC9 4K Gaming Monitor (Glossy)
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD (USB)
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    Arctic Liquid Freezer III 420 RGB + Air 3x 140mm case fans (pull front) + 1x 120 mm (push back) and 1 x 120 mm (pull bottom)
    Keyboard
    SteelSeries Apex Pro Wired Gaming Keyboard
    Mouse
    Logitech MX Master 3S | MX Master 3 for Business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Browser
    Nightly (default) + Firefox (stable), Chrome, Edge , Arc
    Antivirus
    Defender + MB 5 Beta
  • Operating System
    ChromeOS Flex Dev Channel (current)
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E5470
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
johnlgalt said:
Checking the specs of the integrated GPU: Product Specifications


Checking the specs of the Monitor: searching this Phillips site shows 2 models, 41B8QTAA/27 and 241B8QJEB/27 but the tech specs for them look to be similar.

Buy the Philips Monitor LCD monitor 241B8QJEB/27 LCD monitor

Get your best work done with the Philips 24" Full HD monitor. Crisp and vivid Full HD gives you the space and clarity to see your work. Features like height-adjustment, Flicker-free and LowBlue mode make work easy-on-the eyes.
www.usa.philips.com www.usa.philips.com

Buy the Philips Monitor LCD monitor 241B8QTAA/27 LCD monitor

Get your best work done with the Philips 24" Full HD monitor. Crisp and vivid Full HD gives you the space and clarity to see your work. Features like height-adjustment, Flicker-free and LowBlue mode make work easy-on-the eyes.
www.usa.philips.com www.usa.philips.com



So, your DP 1.2 cable is correct to use - but for some reason Windows may be trying to force a faster connection (perhaps by trying to initiate DSC) to the DP port on the monitor, which I cannot find any reliable information showing that the monitor actually supports it.

Have you tried some of the troubleshooting in the beginning of this general monitor troubleshooting page? b2c.article.details.page.social.title
Click to expand...
Thnx my friend! I've already checked what kind of DP supported the Monitor... that's the reason because I changed the DP 1.4 cable with another DP 1.2 :-)
My bet was that! but the result is the same :-(
Thnx for the troubleshooting philips page but nothing new to test there!
I'm waiting the third part involved in this issue (ASUS) to let me know something, if they found something to say me ;-)
The fourth part involved (MS Windows 11) has no regular support, and the MS community is plenty of staff in a rush to gain 'kudos' just answering you obvius things to do ... but noone has idea about this missfunction
Thnx!
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Own
    CPU
    Intel I7 12700k
    Motherboard
    Asus Prime Z690-P Wifi D4
    Memory
    2x16Gb Corsair Vengeance LPX DDR4 3600 MHz
    Graphics Card(s)
    Integrated Intel 770 UHD
    Sound Card
    Integrated
    Monitor(s) Displays
    Philips 241b8q
    Screen Resolution
    1920x1080
    Hard Drives
    WD_BLACK SN850 500 GB
    Corsair MP600 Pro SSD 1TB
    PSU
    be quiet! Pure Power 11 cm ATX PC 600W 80Plus Gold
    Case
    be quiet! Pure Base 600
    Cooling
    Noctua NH-D15S
    Keyboard
    Logi
    Mouse
    Logi
Does it work in safe mode? I have used the Displayport on my system, works fine... What bios ver are you running? currently 1003 (Although this should not make any difference). The only issue I had was hardware acceleration In Adobe premier elements.. fixed by hacking the allowed graphics cards list. Intel 770 was not listed.
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    My Self
    CPU
    Intel Alder lake i7 12700K
    Motherboard
    Asus z690 Gaming WiFi D4, Bios Ver 4505
    Memory
    32 Gb Corsair Vengeance LPX DDR4 3200 XMP2
    Graphics Card(s)
    EVGA 3070ti FTW3 Ultra Gaming & Intel Arc
    Sound Card
    Via Display port
    Monitor(s) Displays
    Dell AW2723DF
    Screen Resolution
    2560 x 1440 @ 280Hz G-Sync mode
    Hard Drives
    WD Black SN850 1Tb NVME (Boot Drive)
    WD BLACK SN850X + Heatsink 1Tb NVME
    Samsung 870 Qvo 1Tb SSD,
    Pioneer DVD-RW DVR-219L
    WD Black SN850x NVME 2Tb x3
    PSU
    Corsair RM850
    Case
    Phanteks Enthoo Pro M Tempered Glass
    Cooling
    Be Quiet Shadow Rock 3
    Keyboard
    Logitech G Pro
    Mouse
    Logitech G903, Lightspeed + Powerplay Mat
    Internet Speed
    900Mb/900Mb Fritz!Box 7590ax v2
    Browser
    Firefox
    Antivirus
    MS Defender
    Other Info
    Logitech C930e webcam
    Synology DS218 play 2 x 4Tb Synology HAT3300-4T
I know you all know a damn sight more than me but did you take out the HDMI cable before plugging in the Display cable. I know because I have done it, when I first got this monitor I was using hmdi and someone said display is better so I plugged that in but left the hdmi in and of course, nothing worked! Par for the course from me! :rolleyes:
 

My Computer

System One

  • OS
    Win 11 x 64 Home
    Computer type
    PC/Desktop
    Manufacturer/Model
    pc specialists build (updated various times)
    CPU
    AMD Ryzen 5 7600 6-Core Processor
    Motherboard
    Gigabyte Technology Co., Ltd. Product:B650M K
    Memory
    DDR 5. 32GB (2 x16GB)
    Graphics Card(s)
    GeForce RTX 5060i
    Sound Card
    2 channel HD Audio + Mic/Hphone jack
    Monitor(s) Displays
    coolermaster 27 inch
    Screen Resolution
    1920 x 1080
    Hard Drives
    three external 3TBs, 4 TBs and 5tb. (Storage) Samsung SSD 970 (C).
    Case
    Coolermaster
    Cooling
    internal fans
    Keyboard
    Logi K270 & Logitech gamer G213
    Mouse
    M310 and Logi Gamer G203
    Internet Speed
    530.85mbps download. 52.70 upload
    Browser
    Opera, Vivaldi, Chrome & Firefox
    Antivirus
    Kaspersky Premium
    Other Info
    Build: 26100.ge_release 240331-1435
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