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  1. #1

    Optiquest monitor problem


    I installed Linux Mint 17.3 on my Dell Optiplex 755 with a Dell VGA monitor and everything worked fine, but when I plugged in my Viewsonic Optiquest Q19bw monitor the screen is blank. If I turn the monitor off and then back on, the screen flashes on for a couple of seconds and then goes blank. It must be some type of driver problem, but I have no idea how to resolve it. Please help.

  2. #2
    are you plugging it into the same port as the vga monitor?
    in other words, are you replacing the monitor?

    in any case, please post the output of

    Code:
    lspci -k
    xrandr
    for both use cases.

    use code tags.
    You CAN post links by removing the "http://www." bit from it!
    please use CODE TAGS for code, please! | Stuck? Please read this!

  3. #3
    Quote Originally Posted by nihili View Post
    are you plugging it into the same port as the vga monitor?
    in other words, are you replacing the monitor?

    in any case, please post the output of

    Code:
    lspci -k
    xrandr
    for both use cases.

    use code tags.
    The Optiquest is plugged into the same (ie, the only) video port. I am attempting to replace the VGA monitor.

    I apologize, but I am new to Linux. I ran the command you suggested in terminal and got an output, but I don't know how to paste it into a reply to your message. I tried control - C, but it did not copy. How do I do this?

    Jimmy Joseph

  4. $spacer_open
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  5. #4
    Quote Originally Posted by burgawjimmy View Post
    I ran the command you suggested in terminal and got an output, but I don't know how to paste it into a reply to your message. I tried control - C, but it did not copy. How do I do this?
    :sigh:
    highlight desired text with mouse, right-click => copy, go to browser window, right-click => paste.
    exactly as you would do it on windows.

    added bonus for code tags (see my sig).
    You CAN post links by removing the "http://www." bit from it!
    please use CODE TAGS for code, please! | Stuck? Please read this!

  6. #5
    Quote Originally Posted by nihili View Post
    are you plugging it into the same port as the vga monitor?
    in other words, are you replacing the monitor?

    in any case, please post the output of

    Code:
    lspci -k
    xrandr
    for both use cases.

    use code tags.
    Here is the output that I got (Dell VGA Monitor):

    jimmy@jimmy-OptiPlex-755 ~ $ lspci -k
    00:00.0 Host bridge: Intel Corporation 82Q35 Express DRAM Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: agpgart-intel
    00:01.0 PCI bridge: Intel Corporation 82Q35 Express PCI Express Root Port (rev 02)
    Kernel driver in use: pcieport
    00:02.0 VGA compatible controller: Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: i915
    00:02.1 Display controller: Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    00:03.0 Communication controller: Intel Corporation 82Q35 Express MEI Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: mei_me
    00:03.2 IDE interface: Intel Corporation 82Q35 Express PT IDER Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: ata_generic
    00:03.3 Serial controller: Intel Corporation 82Q35 Express Serial KT Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: serial
    00:19.0 Ethernet controller: Intel Corporation 82566DM-2 Gigabit Network Connection (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: e1000e
    00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: uhci_hcd
    00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: uhci_hcd
    00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: ehci-pci
    00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: snd_hda_intel
    00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
    Kernel driver in use: pcieport
    00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: uhci_hcd
    00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: uhci_hcd
    00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: uhci_hcd
    00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: ehci-pci
    00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
    00:1f.0 ISA bridge: Intel Corporation 82801IO (ICH9DO) LPC Interface Controller (rev 02)
    Kernel driver in use: lpc_ich
    00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA Controller [IDE mode] (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: ata_piix
    00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
    Subsystem: Dell Optiplex 755
    00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA Controller [IDE mode] (rev 02)
    Subsystem: Dell Optiplex 755
    Kernel driver in use: ata_piix
    jimmy@jimmy-OptiPlex-755 ~ $ xrandr
    Screen 0: minimum 8 x 8, current 1280 x 1024, maximum 32767 x 32767
    VGA1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
    1280x1024 60.0*+ 75.0
    1152x864 75.0
    1024x768 75.1 60.0
    800x600 75.0 60.3
    640x480 75.0 60.0
    720x400 70.1
    VIRTUAL1 disconnected (normal left inverted right x axis y axis)

    However, When I tried to get the output with the Optiquest monitor, I was unable to do it. I set up the terminal with the lspci -k command, unplugged the Dell monitor and connected the Optiquest monitor, hit enter to run the command. Since the monitor does not have any display, I unplugged the Optiquest and replugged the Dell monitor, but now it does not show any output. Thus, I cannot get to the terminal without rebooting the computer which closes the terminal. Any suggestions on how I can get the Optiquest output that you need?

    Thanks so much for your help!

    Jimmy Joseph

    Viewsonic Optiquest Q19wb:

  7. #6
    Quote Originally Posted by burgawjimmy View Post
    00:02.0 VGA compatible controller: Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02)
    Subsystem: Dell OptiPlex 755
    Kernel driver in use: i915
    your integrated gpu is 10 years old.
    it should work, but it mught cause problems with newer hardware.
    is that the case for your optiplex monitor?
    maybe its screen resolution is too high?

    do you have a third monitor to do some troubleshooting?
    You CAN post links by removing the "http://www." bit from it!
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  8. #7

    Found the Answerrumming

    Quote Originally Posted by nihili View Post
    your integrated gpu is 10 years old.
    it should work, but it mught cause problems with newer hardware.
    is that the case for your optiplex monitor?
    maybe its screen resolution is too high?

    do you have a third monitor to do some troubleshooting?
    I think I have traced down the problem with my monitor. It appears to be the circuitry of the monitor itself. I trier the monitor on a newer computer running Windows 10 and on my wife's laptop running Linux 17.3 and got exactly the same result. On the laptop I set it up to run both the laptop screen and the monitor. I changed the monitor resolution and other settings, all to no avail. The monitor starts, but goes blank after a couple of seconds. Apparently some circuit irummingn the monitor has died. I'll get a new monitor.

    Thanks for your help with tracing down this problem.


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