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Thread: Multi monitor setup on a laptop - so close but so far

  1. Default Multi monitor setup on a laptop - so close but so far

    Hey , Pretty new to this but not to computers , I have a MSI GS75 so a pretty beefy machine but only one HDMI out port. I have around 8 spare screens available to setup with FSX so gave it a go but its not going well..

    So laptop has 1 HDMI
    1 Thunderbolt 3/USB C
    2 X USB3.0's

    I bought a bunch of USB3.0 to VGA adapters and a couple of 4 port USB 3.0 hubs. hooked everything up but found that the hubs willl only support one of the screens , if i tried to plug more than one VGA Adapter in to the same hub the screen started flickering , i could reduce the resolution right down and it seemed more stable but only tried this with 2 ports occupied , id put money that if i hooked up the others they would flicker eventually and even so the resolution wouldnt be good enough for a good experience.

    Now iv wasted a chunk of cash on these things so trying to figure out a way to get it working , Im guessing the issue is between the laptop USB > USB Hub , perhaps bandwith limits but cant figure a way around it.

    The best I can come up with is to limit to 4 screens , 2 on VGA adapters , 1 direct to HDMI and one on the thunderbolt USB C but i really want to get all 8 going for better imersion.

    Anybody have any tips or thoughts ? Iim thinking my next step is to look at a thunderbolt USB hub

  2. Default

    Whether your USB hub is powered or not may make a difference. And at that you would need a good quality powered hub. Also, there's a finite bandwidth for the USB root hub in the computer. You may be trying to pass more data then the motherboard can handle.

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  3. Default

    Quote Originally Posted by CRJ_simpilot View Post
    Whether your USB hub is powered or not may make a difference. And at that you would need a good quality powered hub. Also, there's a finite bandwidth for the USB root hub in the computer. You may be trying to pass more data then the motherboard can handle.
    I was thinking the same, Ive ordered a powered hub to try that.

    Regards the bandwith ive even got a thunderbolt port but oddly there dosnt seem to be a product that will use this for multiple display adapters or a decent amount of USB ports ( largest I found was 4 port )

  4. Default

    Quiet here ! I tried a powered USB Hub but it still didn't work , id get slight flickering and when more than one screen was plugged in it would go fuzzy and the colours where all weird like a bad painting !

    Ive now picked up a thunderbolt to 2 hdmi adapter , a Matrox VGA Dual and a DVI dual , Along with a HDMI>Display port cable and two DVI to HDMI cables, Il loose a couple of screens for my side view from what I first planned but should still get a decent setup if this works together.

    Il have the HDMI out of my laptop going to the Matrox DVI unit outputting to two 27" monitors as my front windows/top of cockpit.

    The thunderbolt to 2 HDMI outputting to two 24" monitors to use as the front side windows.

    One laptop USB Port to USB to VGA adapter linked to the matrox VGA dual unit outputting to two 22" monitors which im hoping to split into the rest of the lower cockpit panel ( the adapters worked if only one was plugged in per USB port on motherboard i.e not multiple in a hub linked to the same laptop port )

    Laptop screen used for GPS/flight list etc.

    Second laptop USB port linked to the powered hub which will have my yoke and switch panels etc connected along with keyboard and mouse.

    Possibly :

    The third( last) USB port on the laptop to a VGA adapter hooked up to an overhead 20" monitor to see the cockpits overhead panel.

    Will try and update if it works out.

  5. #5

    Default

    If you go to YouTube and do a search you will find that you are not the first one what wants multiple monitors out of a laptop. There must be 100's of videos (200? 500?) on that subject. Here is one about 7 monitors on USB 3.0 laptop. Link: https://youtu.be/pYUdAWOGJ_Y (right click this link and choose 'Open In A New Tab'). If this don't do it then I don't know what will. Perhaps the answer is to can the VGA monitors and get LCD or LED ones. Hope this helps.
    Chuck B
    Napamule
    Edit: The 'catch' is that is for USB 3.0!!! Cables and VGA adopters are extra of course. But it can handle it. Reviews say 'bought a $299 hub and returned it. Bought the Plugable and couldn't be happier - solved my problem'. 'Great value and it works perfect'. Etc. Oh, the hub is $29.99 at Amazon. Peanuts! Oh and you can charge your devices on USB #1 and #7. AND it has an ON/OFF switch!
    Last edited by napamule2; 06-26-2019 at 09:06 AM.
    i7 2600K @ 3.4 Ghz (Turbo-Boost to 3.877 Ghz), Asus P8H67 Pro, Super Talent 8 Gb DDR3/1333 Dual Channel, XFX Radeon R7-360B 2Gb DDR5, Corsair 650 W PSU, Dell 23 in (2048x1152), Windows7 Pro 64 bit, MS Sidewinder Precision 2 Joy, Logitech K-360 wireless KB & Mouse, Targus PAUK10U USB Keypad for Throttle (F1 to F4)/Spoiler/Tailhook/Wing Fold/Pitch Trim/Parking Brake/Snap to 2D Panel/View Change. Installed on 250 Gb (D. FS9 and FSX Acceleration (locked at 30 FPS).

  6. Default

    Hey Chuck

    Those ( And the ones i have found on youtube so far ) look the same kind of adapters that I said I've already tried and was having the issues with unfortunately, even with the powered hub like their setup on the video.

  7. Default

    I thought perhaps the pluggable adapters are better quality but by cost of enough of those I could perhaps get a thunderbolt PCI enclosure and a second graphics card with the required display ports and would allow to use NVidia surround etc. Shame as if these USB>VGA adaters had done what they where supposed to it would have been a lot cheaper and easier !

  8. Default

    With a 4 port hub you can connect 4 devices to a computer.
    But, only one can send/receive data at a same time.
    If there are things to be sent to 2 devices, the tasks are put in a cue.
    Windows sends part of task 1 to device 1
    then Windows sends part of task 2 to device 2
    Then Windows sends the next part of task one to device 1
    etc.

    You will see this clearly when copying 2 very large files to 2 Usb pen drives in the hub.
    When doing the copy task separately you get:
    Copy file 1 to stick 1. Takes 20 minutes.
    Then you copy file 2 to to stick 2. Takes e.g. 30 minutes.
    total time needed was 50 minutes.

    When copying the files to two ports on the hub at the same time you get:
    You copy file 1 to stick 1 and file 2 to disk 2
    You wait, while both copy tasks are taking place.
    total time needed.... still 50 minutes.
    ( Here you see the result of the cueing. A hub does not give you "for brand new ports". It gives you four entrances to one usb port o the mainboard. And only one signal can go through that mainboard port at a time.)

    If you copy to two mainboard ports the result is very different.
    copy file 1 to usb stick in port 1 and 2 to usbstick in port 2 at the same time.
    file 1 finished after 20 minutes
    file 2 finished after 30 minutes.
    total time needed is 30 minutes.

    If this was a desktop you could install a PCIexpress card or PCI card that adds USB ports. Those ports would work independently. (just like mainboard ports.)

    If the hub is connected to one usb port on the pc, you can only attach one monitor. As a monitor requires data sent to it constantly.
    Some hubs connect to two usb ports for data. When connected like that you might be able to attach two monitors to the hub. (but be aware, in some hubs the second connection to the PC is not for data but only for supplying power.)

  9. Default

    Quote Originally Posted by il88pp View Post
    With a 4 port hub you can connect 4 devices to a computer.
    But, only one can send/receive data at a same time.
    If there are things to be sent to 2 devices, the tasks are put in a cue.
    Windows sends part of task 1 to device 1
    then Windows sends part of task 2 to device 2
    Then Windows sends the next part of task one to device 1
    etc.

    You will see this clearly when copying 2 very large files to 2 Usb pen drives in the hub.
    When doing the copy task separately you get:
    Copy file 1 to stick 1. Takes 20 minutes.
    Then you copy file 2 to to stick 2. Takes e.g. 30 minutes.
    total time needed was 50 minutes.

    When copying the files to two ports on the hub at the same time you get:
    You copy file 1 to stick 1 and file 2 to disk 2
    You wait, while both copy tasks are taking place.
    total time needed.... still 50 minutes.
    ( Here you see the result of the cueing. A hub does not give you "for brand new ports". It gives you four entrances to one usb port o the mainboard. And only one signal can go through that mainboard port at a time.)

    If you copy to two mainboard ports the result is very different.
    copy file 1 to usb stick in port 1 and 2 to usbstick in port 2 at the same time.
    file 1 finished after 20 minutes
    file 2 finished after 30 minutes.
    total time needed is 30 minutes.

    If this was a desktop you could install a PCIexpress card or PCI card that adds USB ports. Those ports would work independently. (just like mainboard ports.)

    If the hub is connected to one usb port on the pc, you can only attach one monitor. As a monitor requires data sent to it constantly.
    Some hubs connect to two usb ports for data. When connected like that you might be able to attach two monitors to the hub. (but be aware, in some hubs the second connection to the PC is not for data but only for supplying power.)
    Thanks for that explanation , I wondered if it was a bandwith issue.

    Seems like my second setup will be more likely to succeed by utilising the matrox adapters, however after what you said there im a little worried about all the controllers that will be running from the hub. Guess I can only try it and see.

    Failing this I guess I will have to either look at a PCI Thunderbolt enclosure which would allow either a PCI USB card or even a desktop graphics card with more direct outputs built in. Or using a PC for the sim.
    Last edited by AgentSmith; 06-27-2019 at 03:57 AM.

  10. #10

    Default

    I THINK the Plugable hub people do provide some software with their hub but am not positive. The critical point is: IT HAS TO BE USB 3.0 at the PC or Laptop. USB 3.0 is 10 times faster than USB 2.0. So the 50 min's would then only be 5 min's. And they used Win 7 64 bit which is also critcal. XP might not be able to handle this task where Win 7 64 bit can and will. Line up your ducks, like they say, BEFORE you 'plug them in' (hehe). And to be on the safe side, plug your hub to the wall socket and NOT to a power strip due to current demands.
    Chuck B
    Napamule
    i7 2600K @ 3.4 Ghz (Turbo-Boost to 3.877 Ghz), Asus P8H67 Pro, Super Talent 8 Gb DDR3/1333 Dual Channel, XFX Radeon R7-360B 2Gb DDR5, Corsair 650 W PSU, Dell 23 in (2048x1152), Windows7 Pro 64 bit, MS Sidewinder Precision 2 Joy, Logitech K-360 wireless KB & Mouse, Targus PAUK10U USB Keypad for Throttle (F1 to F4)/Spoiler/Tailhook/Wing Fold/Pitch Trim/Parking Brake/Snap to 2D Panel/View Change. Installed on 250 Gb (D. FS9 and FSX Acceleration (locked at 30 FPS).

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