Probook 4520s does not detect external monitor on Windows 8.1

I have problem, when I connect my laptop on external monitor LG Flatron W 2240. Laptop does not detect. I make conection with VGA cable (cable checked and it works). I try to reinstall my grphic driver, but it does'nt help. I use graphic driver for Windows 7 Professional 64 bit. I had Windows 8 and the external monitor worked fine, but now I have only black screen on monitor LG.

@Rebeca1986 
‎Thank you for using HP Support Forum. I have brought your issue to the appropriate team within HP. They will likely request information from you in order to look up your case details or product serial number. Please look for a private message from an identified HP contact. Additionally, keep in mind not to publicly post ( serial numbers and case details).
If you are unfamiliar with the Forum's private messaging please click here to learn more.
Thank you,
Omar
I Work for HP

Similar Messages

  • MacBook Pro 2011 does not detect external monitor

    I have a MacBook Pro 13'' early 2011 runing Lion 1.7.2.
    I have an HP v185ws external monitor connected via an Apple Thunderbolt to VGA connector.
    Since last month's Thunderbolt firmware update, my external monitor is no longer detected.
    Does anybody has a solution to this problem?
    Thanks.

    I have a problem connecting external display (Dell U2311H) to my 13" MacBook Pro (Early 2011).
    I use Tecklink Mini DasplayPort to HDMI adapter (http://www.techlink.uk.com/products/wires_cables/wiresmedia/wiresmedia_media/wir esmedia_mini_displayport_plug_to_hdmi_plug), but since U2311H doesn't have HDMI input, I also use Manhattan DisplayPort to HDMI Adapter (http://www.manhattan-products.com/en-US/products/8101-displayport-adapter).
    And nothing.
    The display is not detected, no picture or even external monitor presence at all.
    I even reset PRAM, and installed 10.8.2 Supplementary update.
    I also plugged and unplugged all I could, with no luck.
    As I can see on Apple discussion, it is a common problem with 2011 MacBook Pro's.
    It seems like the problem is in Thundebolt port, it somehow does not work properly.

  • MacBook Pro Mid2012 does not detect external monitor

    After i upgraded to MAVERICKS now using my " BELKIN HDMI TO THUNDERBOLT ADAPTER "
    when i connect it to TV the monitor flashes black and nothing happens no signal on TV go to settings display and sound there is nothing and when i disconnect HDMI it flashes black again ,,, help please ..
    i doent know if its from MAVERICKS OR HDMI CONVERTER OR SMT TV OR THUNDERBOLT PORT

    I have a problem connecting external display (Dell U2311H) to my 13" MacBook Pro (Early 2011).
    I use Tecklink Mini DasplayPort to HDMI adapter (http://www.techlink.uk.com/products/wires_cables/wiresmedia/wiresmedia_media/wir esmedia_mini_displayport_plug_to_hdmi_plug), but since U2311H doesn't have HDMI input, I also use Manhattan DisplayPort to HDMI Adapter (http://www.manhattan-products.com/en-US/products/8101-displayport-adapter).
    And nothing.
    The display is not detected, no picture or even external monitor presence at all.
    I even reset PRAM, and installed 10.8.2 Supplementary update.
    I also plugged and unplugged all I could, with no luck.
    As I can see on Apple discussion, it is a common problem with 2011 MacBook Pro's.
    It seems like the problem is in Thundebolt port, it somehow does not work properly.

  • MBP does not detect external monitor on DVI connection...

    (2007) MBP C2D 2.33 15", OSX LION 3gb.  Worked fine till about 3 days ago (right after installing the last round of updates).
    My external monitor now fails to connect on DVI cable. Since it also has VGA, I was able to test this way with a DVI to VGA adapter and that worked perfectly, but the vga gives a lower resolution. Having estalished that the graphics adapter and the monitor were okay, I looked for other issues.
    Starting the MBP in clamshell mode, it found the monitor on DVI. Then restarting normally, it all worked fine, UNTILL the MBP went to sleep. when it awoke, no external. Plugged, unplugged, trashed display prefs, nothing, though it does still work via DVI-VGA.
    I don't think having to clamshell everytime is a workable solution, but I NEED MY DESK SPACE!
    Any thoughts?

    Yesterday, having had the problem become far worse, I too tried PRAM/NVRAM clearing (SMC reset so many times I can't count them). Then, in desperation I purchased TechtoolPro 6 and ran it. Everything s working well now, and in fact the video issue cleared up while techtool loaded, it didn't even wait for me to run the thing!
    More: About 3 weeks ago, I made a HardDrive image from an older white macbook so I could repair its hard drive. After doing that job, I (thought I) deleted the image from my MBP, but the disk still showed 80Gb used that wasn't before. So while I thought I had 130GB free, I was only showing 50. After running the directory rebuild, I now have 175gb Free! So the directory was keeping track of 95GB that WASN'T there! I suspect this had something to do with my problems.  Then running the Defrag and Optimization routines, my 2007 MBP is running like a brand new machine. Other things that had been buggy (like the right click on my magic mouse) are now working like they should.
    Recommended highly!

  • [Solved] Xrandr does not detect external monitor

    I recently just installed Arch linux on my laptop and decided to install the catalyst driver as well. I followed all the instructions on how to install catalyst and when I try to use the xrandr command it does not show my second monitor. I am using i3wm on the latest kernel and catalyst driver. I can also see a x cursor when I move my mouse to my other screen but it does show the i3bar or I cant drag a window to the other screen
    Here is my xorg.conf
    Section "ServerLayout"
    Identifier "aticonfig Layout"
    Screen 0 "aticonfig-Screen[0]-0" 0 0
    Screen "aticonfig-Screen[0]-1" Above "aticonfig-Screen[0]-0"
    EndSection
    Section "Module"
    EndSection
    Section "Monitor"
    Identifier "aticonfig-Monitor[0]-0"
    Option "VendorName" "ATI Proprietary Driver"
    Option "ModelName" "Generic Autodetecting Monitor"
    Option "DPMS" "true"
    EndSection
    Section "Monitor"
    Identifier "aticonfig-Monitor[0]-1"
    Option "VendorName" "ATI Proprietary Driver"
    Option "ModelName" "Generic Autodetecting Monitor"
    Option "DPMS" "true"
    EndSection
    Section "Device"
    Identifier "aticonfig-Device[0]-0"
    Driver "fglrx"
    BusID "PCI:0:1:0"
    EndSection
    Section "Device"
    Identifier "aticonfig-Device[0]-1"
    Driver "fglrx"
    BusID "PCI:0:1:0"
    Screen 1
    EndSection
    Section "Screen"
    Identifier "aticonfig-Screen[0]-0"
    Device "aticonfig-Device[0]-0"
    Monitor "aticonfig-Monitor[0]-0"
    DefaultDepth 24
    SubSection "Display"
    Viewport 0 0
    Depth 24
    EndSubSection
    EndSection
    Section "Screen"
    Identifier "aticonfig-Screen[0]-1"
    Device "aticonfig-Device[0]-1"
    Monitor "aticonfig-Monitor[0]-1"
    DefaultDepth 24
    SubSection "Display"
    Viewport 0 0
    Depth 24
    EndSubSection
    EndSection
    what xrandr -q shows
    Screen 0: minimum 320 x 200, current 1366 x 768, maximum 1920 x 1920
    LVDS connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
    1366x768 60.00*+
    1360x768 60.00
    1280x768 60.00
    1280x720 60.00
    1024x768 60.00
    1024x600 60.00
    800x600 60.00
    800x480 60.00
    640x480 60.00
    DFP1 disconnected (normal left inverted right x axis y axis)
    CRT1 disconnected (normal left inverted right x axis y axis)
    Last edited by Green (2014-09-16 01:00:22)

    Never mind I just needed to delete my xorg.conf and regenerate it by
    # aticonfig --initial

  • MacBook Pro does not sense external monitor (Panasonic HDTV in my case) via thunderbolt-HDMI connection...Is update 10.8.3 helping anyone?

    My MacBook Pro (newest model in 2013 so far) does not sense external monitor (Panasonic HDTV in my case) via thunderbolt-HDMI connection...Is update 10.8.3 helping anyone else who has this issue? I returned my multiple HDMI adapters after figuring out it had to be an Apple issue n not the adapters so I can't check it myself now.
    Thanks!

    I have late 2012 MBP 13" and connect to my Panasonic Plasma correctly.
    But using the same cable, can't connect to an LG 47LM6200, the MBP detects the TV, the screen blinks blue, but the TV shows "no sinal detected" message.

  • Thinkpad Edge S430 - Windows does not detect external display connected via HDMI

    On a Thinkpad S430 with HD4000 integrated graphics, an external display connected via a HDMI cable is not detected at all when using Windows. The system is fully updated as of the time of posting this message, both via the Lenovo Update tool as well as Windows update.
    The Intel driver version is 8.15.10.2696. It appears that this is the latest version, since it does not offer an update when I try to auto-update it via Device Manager.
    NB: I am running Ubuntu 12.04 with kernel 3.4.0 on the same machine, and the external display works perfectly fine with this software configuration.
    Hence I think that it's very likely that this is a Windows-specific driver issue.
    Would Lenovo happen to have a driver update in the works? Alternatively, I will be thankful for any suggestions about possible resolution of this problem.

    skn2011 wrote:
    My Macbook Pro notbook 13.3" does not detect external display throught it's mini display port to HDMI connector when connected to Sony Bravia 32" LCD TV.Can anyone help me get the answer as i tried reading everywhere on internet and none does not seems to work.Please help me out guys.
    Are you using the Apple adaptor or a 3rd party

  • Display Preferences does not detect dual monitors

    Display Preferences does not detect dual monitors.
    There is no workaround here.
    Only a prompt update from apple will solve this.
    Any level 5 geniuses I welcome your guidance... please prove me otherwise.
    thanks
    --Marconi

    Hi marconi de baloni,
    Thanks for the question. Based on what you stated, it seems like the computer is not recognizing a second display. I would recommend that you read this article, it may be able to help you resolve or isolate the issue.
    OS X Yosemite: Connect multiple displays to your Mac
    If a display is not recognized, choose Apple menu > System Preferences on the primary Mac, click Displays, then click Display.
    Open the Display pane for me
    Then click the Detect Displays button.
    You can also try putting your Mac to sleep and then waking it.
    Thanks for using Apple Support Communities.
    Cheers,
    Mario

  • IMac does not recognize external monitor using Mini Display Port to HDMI

    Hello,
    I have been trying to get an external monitor (HDTV) set up for use with my iMac using a Mini Display Port to HDMI cable I just got. However, when I connect it to my iMac's mini display port, the imac's screen goes black for about a second, then returns, but it does not detect the external display. The other display is just showing a "no signal" message on the screen.
    I have restarted, reset PRAM, connected and disconnected the cable several times, tried changing the resolution on the imac, plugged in/out the other display, and clicked the "detect displays" button using the option key in display preferences, but nothing has worked.
    I am using an early 2009 iMac running Mavericks.
    I've been using the AirParrot app, but it's horrible for video and a little slow.
    Can anyone please help sort the issue here? I feel like ive exhausted everything that I know to do.
    Thanks.

    I am having the same issue.  Hope Apple can fix this soon!!!

  • Imac does not detect external vga display

    Please help with connecting external vga display to an imac 21.5'', late 2012, OS X 10.8.5 via Mini DisplayPort to VGA adapter.
    I have connected an external monitor (Fujitsu Siemens) to the thunderbolt port of the imac using a Mini DisplayPort to VGA adapter. The imac does not detect the external monitor. I have followed all instructions and suggestions I could find at Apple Support Communities without success.
    The monitor is in perfectly good working order as it has no problem connecting and performing flawlessly with a dell windows laptop. The imac, connected via the Mini DisplayPort to VGA adapter to the D-Sub connector of a Samsung smart TV, also worked perfectly.
    To add insult to injury, occasionally, when restarting the iMac with the external vga display connected and powered on, the iMac screen starts intermittently turning blue for a brief second or so and resuming back to normal. The frequency of 'blueing' is once in 2-3 seconds. This particular rather disturbing problem, luckily ceases when the external display is switched off.
    Any advice and help with resolving the above connection problems will be gratefully appreciated.
    Thank you
      ghogoh

    I am having the same issue.  Hope Apple can fix this soon!!!

  • Macbook does not recognize external monitor

    Hi,
    I have a Macbook and I tried to connect an external Benq FP93GW using a Mini DisplayPort to DVI Adapter but the external monitor does not detect any signal.
    Any suggestions?
    Thank you in advance for any help.

    You might read this post of someone who couldn't get his external display to be recognized until he reset the MacBook's SMC (System Management Controller).
    http://discussions.apple.com/message.jspa?messageID=9351216#9351216
    This thread also has some other details on trying to workaround color issues on the external display but it was a reset of the SMC that finally allowed the MacBook to recognize the display. However, Apple cautions that a reset of the SMC should only be done after other options or possibilities have been exhausted. Before you try a reset of the SMC you might want to try a reset of the MacBook's PRAM.
    Here is a link to Apple's support article on resetting the SMC:
    http://support.apple.com/kb/HT1411
    Here is a link to Apple's support article on resetting the PRAM:
    http://support.apple.com/kb/HT1379

  • My imac will not detect external monitor after recent update. Is there a way to fix this?

    I have a VGA monitor plugged in to my imac using the VGA adapter to the mini-DVI.  All was working well.  Since I updated over the weekend, the computer will not detect the monitor.
    Any ideas how to fix this?

    Pcantin wrote:
    I have tried another VGA monitor and that failed as well.  Since you don't think the update was the cause, it may be that the adapter I am using decided to call it quits.  I will see if I can find another and test that out.
    I will look into the external drive idea as well.
    Thanks for your help on this.
    I didn't think about the adaptor, but you should at least visually inspect both the adaptor and the cable at both ends. If one or more pins got bent even slightly the connection might fail. The cables can also fail internally. Replacing the adaptor and cable may be the quickest thing to do initially. If you want to try to save money, first replace the adaptor, and if the problem persists, then go replace the cable (or vice versa).

  • Windows 10 upgrade does not detect external hdmi monitor

    Hi I have just upgraded my laptop yoga 2 11 to windows 10.I use an external hdmi monitor at the office desk with the previous windows 8.1 and no problems, but once I upgraded two hours ago to windows 10I my external monitor is not detected by windows10. what should i do?? Best regards, Martin

    I have ENVY 15 K101TX; and I'm facing the same problem after upgrading to WIN10.Whenever I try to shut down the Laptop, it just doesn't shutdown completely. The screen goes blank but the power light and fan stays on. I have to press & hold to shut down the laptop. And we all know it's not a solution.And it also doesn't come back after sleep mode. I have to force shut down and start it again.I have checked all the power options and have tried all the things possible.Any one?

  • Macbook Pro(Mid-2014) Not Detecting External Monitor

    Hi everyone, I'm trying to connect my MBP to an external monitor via HDMI. Since my MBP has an HDMI port built in, I'm not using any adapters between it and the monitor. But nothing is happening when I connect the HDMI cable, my MBP does not seem to detect it. I have tested my monitor with that HDMI cable on a desktop PC, and it all works without any issues there, so I reckon it must be something on the MBP end of the connection. But what could it possibly be? I have looked through forums and read countless threads about external display problems, but have not found any info that could identify the problem. I have tried booting my MBP and/or turning on my monitor before and after connecting the HDMI cable, and there was never even a hint of detection.
    I'm running OS X Yosemite 10.10.1, and the external monitor in question is an HP Pavilion 27Xi in 1080p.

    I have a problem connecting external display (Dell U2311H) to my 13" MacBook Pro (Early 2011).
    I use Tecklink Mini DasplayPort to HDMI adapter (http://www.techlink.uk.com/products/wires_cables/wiresmedia/wiresmedia_media/wir esmedia_mini_displayport_plug_to_hdmi_plug), but since U2311H doesn't have HDMI input, I also use Manhattan DisplayPort to HDMI Adapter (http://www.manhattan-products.com/en-US/products/8101-displayport-adapter).
    And nothing.
    The display is not detected, no picture or even external monitor presence at all.
    I even reset PRAM, and installed 10.8.2 Supplementary update.
    I also plugged and unplugged all I could, with no luck.
    As I can see on Apple discussion, it is a common problem with 2011 MacBook Pro's.
    It seems like the problem is in Thundebolt port, it somehow does not work properly.

  • MacAir not detecting external monitor. 'check signal cable' error

    Brand new MacAir OX 10.7.4 not detecting samsung external monitor. I keep getting 'check signal cable' error on a blank screen.

    Hi Walter,
    I'm not sure this'll fix your problem, & it's info from earlier OSX versions, but I'll toss it out...
    Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions...
    Trash these files...
    /Users/YourUserName/Library/Preferences/ByHost /com.apple.windowserver.<12digitHex#>.plist
    /Users/YourUserName/Library/Preferences/ByHost/.GlobalPreferences.<12digitHex#>. plist
    There may be more than one of each of the above, then trash...
    /Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
    Reboot
    You could test it by first, depending on OS version...
    To find out if it's system wide or user specific, try this...
    Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.
    Does it work in the new account?
    To find out if it's system wide or user specific, try this...
    Open System Preferences>Users & Groups, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.
    Does it work in the new account?

Maybe you are looking for