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• Monitor displays "No VGA signal" "Check DVI cable" after installing motherboard drivers

  - by user1604220

  I bought computer with all of the needed parts, got everything sorted out, installed windows 7 but my CD-ROM doesn't fit my motherboard. So I had to download the driver manually and install it using USB disc. My motherboard: ECS elitegroup H61H2-M2, I downloaded it's drivers, installed the BIOS map or something, and then the computer forced a reboot after it was complete, after the reboot my monitor just stopped working and displayed No VGA signal, No DVI cable I think I've just installed the wrong driver, well but how can I sort it out? This is the driver I installed. On the book, it tells me to install the drivers, without the driver it won't see the Internet connection cable. I'm 100% sure there is nothing wrong with the monitor or it's cables. it stopped working exactly after the reboot after the installation.

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• Dual monitor setup with Intel graphics and Nvidia Geforce GT 425M on 12.04

  - by fo_x86

  I have a Dell XPS L401x and just installed 12.04. I have a mini-display and an HDMI output, and I could hook up two Dell UltraSharp monitors to each port on Windows 7, and get a triple monitor setup. Doing a bit of research, it seems like the mini-display is wired to the integrated graphics card whereas HDMI is hooked up to Nvidia graphics card. I've also installed Bumblebee as it seemed like that was the proper way of installing Nvidia drivers on Ubuntu. At the moment none of my monitors is being recognized by Ubuntu. Is it even possible to have a triple monitor (laptop display + 2 external) setup? Has anyone successfully done this?

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• How do I set the correct monitor resolution with Nvidia drivers for a monitor that does not send EDID?

  - by Torben Gundtofte-Bruun

  I keep having trouble getting the correct monitor resolution - every time I reinstall, I happen to use a newer Ubuntu release and the old tricks I used to know no longer work. Instead of leaving a long trail of questions for every new release, I am looking for a more universal and timeless solution. What's the correct way to set the correct monitor resolution with an Nvidia GPU for a screen that does not send EDID values? Note: This is a "dummy" question -- with the help from the chat, I already found the answer, and I am now going to add my own answer to document a solution that is hopefully universal.

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• Monitor not turning off when screen saver is on

  - by Elad92

  I installed Ubuntu for the first time 3 weeks ago and I really love it. I have Ubuntu 12.04. My only problem is that when screen saver is on, it just shows blank screen, and not turning off the monitor, so my monitor is always on. I have Samsung E2220 - 22". I looked over the web and I found this command: sudo xset dpms force off This command shuts down my screen so I don't see a reason why the screen saver can't shut it down. Thanks a lot! Elad

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• 13.04 - Extenal monitor plugged on laptop HDMI shows image but lags a lot

  - by Thiago Fassina

  It uses an Nvidia GeForce GTS 250M. When I plug in the monitor, it shows some images but with bad FPS and lagging a lot. For example, when I move the mouse pointer, it leaves a trail that vanishes from time to time. I didn't install Nvidia drivers because every time I did this on past versions I ended up with an unbootable system. On past versions I just gave up trying to use the monitor cause it never showed anything regardless of what driver I installed. But since 13.04 ALMOST made it, I'll make another tries. ps.: Works perfectlty on Windows 7/8

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• Monitor not recognised after apt-get upgrade on 11.10 - maximum 1024x768 resolution

  - by Josh

  I did an apt-get upgrade through update manager on 11.10. After restarting my VGA monitor is no longer recognised and I can only get a maximum of 1024x768 on a 1440x900 monitor. I can't find xorg.conf so I am pretty lost! xrandr output: Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096 VGA-0 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.0* 800x600 60.3 56.2 848x480 60.0 640x480 59.9 DVI-0 disconnected (normal left inverted right x axis y axis) S-video disconnected (normal left inverted right x axis y axis)

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• What resolution can the eeePC 1001HA/1101HA handle with an external monitor plugged in?

  - by Marco Demaio

  I would like to buy a new Eee PC 1001HA or 1101HA. I know the max display resolution is: 1024x600 for eeePC 1001 1366x768 for eeePC 1101 But what's the maximum resolution of the graphic board when connecting these two computers to an external LCD monitor? Let's say the external monitor supports a full HD resolution of 1920x1080. Are these eeePC graphic boards able to go up to such resolution? It's really incredible to me how such a useful piece of information is missing everywhere on every ASUS website. EeePCs are very well suited to be connected to external monitor, so I can't believe how difficult is to find out this information. I downloaded the manual, but it's not in there either. So I'm hoping somone has got one and knows the answer.

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• Dual-boot computer won't boot without external hard drive

  - by FrankP

  I have Ubuntu loaded on my external HDD. I tried to unplug the external drive so that this way I could run Windows as the default OS to boot when the computer turns on, but it gives me an error. I need to know how I can make it so that when my computers boots it stops saying Error: no such device: (a whole bunch of numbers and letters) then it says grub rescue>_. If I plug the external HDD in, and I let Ubuntu run the boot process, then it gives me a list of OS's/ HDD's to choose from and Windows 7 is there. The only problem is that I want Windows be my default OS, not the other way around. P.S. I have found that I dislike Ubuntu because I can't even figure out how to install the necessary programs to learn how to start writing Ruby On Rails. So installing it was a waste of my time, in my opinion. Now that I have it on the external hard drive, I will leave it installed though. I just dont want to have to keep that external drive plugged in to my computer all the time. Thank you a ton to whoever can help me! Thank you for the detail'd instructions. I am doing my best to follow you and it makes sense when I read it but, Rescatux is not doing what you said it would. None of the options you said would appear are not there. On my screen there is 4 options when MBR run's none look familiar and when I picked the best possible option based on my educated guesses it said success. I tried to restart my computer and it said Please insert windows recovery disc and hit enter. Problem being I don't have the windows recovery disc. I bought my computer from a local Computer tec and he loads windows on it for you. I have no time to run my compute over to him as sunday is my only day free. I think that I just wrecked my computer in the process of this attempted fix windows refuses to boot now WITH or WITHOUT the HDD. Please help this is getting out of hand

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• External hard drive issue

  - by Blind Fish

  I am running Ubuntu 12.04 and I have a 500GB external hard drive, formatted in ext4, which I have used for about a year to store batches of data that I am sifting through. About once a week I move a chunk of data from the external drive to my internal drive for processing. As I do that I delete the data from the external drive and empty the trash, thereby clearing up space on the external and also preventing myself from grabbing stuff that I've already sorted through. The vast majority of this is text files, but there are a few .jpegs and .mp4s thrown in, if that matters. Anyway, this has been working without a hitch for nearly a year. So today I plug in the drive and I have an odd issue. I was able to move folders from the external over to my internal drive with no problem, but when I tried to delete those files I was unable to do so. I kept getting the "unable to send file to trash, do you wish to delete permanently?" message. I clicked yes / delete all, but no files were actually deleted. It just sat there. Even worse, while the system was trying in vain to delete those files I was unable to move more files over. In short, I was stuck. I canceled the operation, unmounted and remounted the drive, and then I had an even bigger problem. I have a spreadsheet of all the different folders on there ( exactly 818 ) and yet when I opened the drive in Nautilus, it was only finding 512 folders. So I had 306 missing folders, but my free space was unchanged. Immediately I think that the drive may be corrupted. I went into Disk Utility and ran the check disk option. It said that the drive was NOT clean, but offered no remedy or option to repair. I went back into the drive in Nautilus and once again attempted to delete the files I had already moved. Same issue. I clicked on Details and it said that it was unable to create a trashing file I/O error. I've looked, and it's not a permissions issue. The drive and all folders that are in it all belong to me, and they are all read / write. I've started running badblocks on the drive, but it looks like that is going to take several hours to complete. Any ideas?

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• External JS usage in FBML - Cannot access external script

  - by santhakr

  Hi, I am trying to create a small facebook app and associate it to a fan page in a tab. I am trying to include an external javascript file in my page and call a method on a button click event. Below is a part of the code <script language="Javascript" src="http://mysite.com/fb.js"></script> <input type="button" value="Click....." onClick="javascript:showDialog();" /> content of fb.js is as below function showDialog() { new Dialog().showMessage('Dialog', 'Button clickeed'); } When I load the tab in my fan page, it shows an error "Cannot allow external script", whereas when I load the canvas url [http://apps.facebook.com/...] directly and click on the button, it works [shows the dialog]. Does script include works only on the canvas and not on the profile page? I have another question though Initially I had the script src as a relative path but it errored out with the same error - "Cannot allow external script". Can't I use relative path for the external scripts?

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• No-Weld Multi-Monitor Stand Crafted From Sturdy Metal Framing

  - by Jason Fitzpatrick

  As far as DIY stands for multiple monitors go, this design has to be the sturdiest and least difficult to construct model we’ve seen in some time. Read on to see how one DIYer cleverly crafted a solid metal triple monitor stand with no welding involved. Tinker and gamer Opteced wanted a new stand for his Eyefinity setup but wasn’t in a hurry to spend a pile of cash on a custom stand. His DIY solution is just as sturdy as a commercial metal stand but is made out of inexpensive hardware store parts–the main supports and base are made from Unistrut, a simple metal framing material. Unlike many DIY stands made from metal rods and piping, this build doesn’t require any sort of welding or custom pipe threading. In fact, the metal struts are so over engineered for the task of holding up flat-panel monitors he was able to simply partially saw through them and bend them to the shape he wanted. Hit up the link below for additional pictures of the build. Unistrut Monitor Stand [via Hack A Day] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• "The daemon is being inhibited" error message when mounting volumes on a partitioned external HD [closed]

  - by Todd

  I'm having a great deal of difficulty with an external hard drive. I'm currently running a dual boot system (XP Service Pack 3 and Ubuntu 11.04 Natty Narwahl) on a Dell Inspiron B120. I'm trying to set up a new 80 GB Hitachi external HD. Using GParted, I formatted the drive and set up the partitions. The partitioning scheme is as follows 10GB NTFS Primary, 2GB Linux-Swap Primary, 50GB FAT32 Primary, 12GB Unallocated. After applying those changes, I went into Disk Utility and the HD appears along with the correct partitions. When I try to mount the volumes for partitions 1 and 3, I get a pop-up stating: Error Mounting Volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. When I try to to check the filesystem I get a pop-up stating: Error Checking filesystem on volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. Throughout the time that I'm attempting to troubleshoot the problem, the external drive light is on and blinking. With my frustration hitting a boiling point, I try to shut down the drive and remove it so that I can plug in a different external HD that works PERFECTLY. However, when I try to shut down and safely remove the drive, I get a pop-up stating: Error Detaching Drive An error occurred while performing an operation on "80GB Hard Disk" (HTS548080m9AT00): The daemon is being inhibited. Can anyone tell me what I'm doing wrong? I'm a newbie and not that skilled with terminal commands, so please dumb it down for me if you request specific command output.

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• Difficulty Mounting Volumes on a Partitioned External HD

  - by Todd

  I'm having a great deal of difficulty with an external hard drive. I'm currently running a dual boot system (XP Service Pack 3 and Ubuntu 11.04 Natty Narwahl) on a Dell Inspiron B120. I'm trying to set up a new 80 GB Hitachi external HD. Using GParted, I formatted the drive and set up the partitions. The partitioning scheme is as follows 10GB NTFS Primary, 2GB Linux-Swap Primary, 50GB FAT32 Primary, 12GB Unallocated. After applying those changes, I went into Disk Utility and the HD appears along with the correct partitions. When I try to mount the volumes for partitions 1 and 3, I get a pop-up stating: Error Mounting Volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. When I try to to check the filesystem I get a pop-up stating: Error Checking filesystem on volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. Throughout the time that I'm attempting to troubleshoot the problem, the external drive light is on and blinking. With my frustration hitting a boiling point, I try to shut down the drive and remove it so that I can plug in a different external HD that works PERFECTLY. However, when I try to shut down and safely remove the drive, I get a pop-up stating: Error Detaching Drive An error occurred while performing an operation on "80GB Hard Disk" (HTS548080m9AT00): The daemon is being inhibited. Can anyone tell me what I'm doing wrong? I'm a newbie and not that skilled with terminal commands, so please dumb it down for me if you request specific command output.

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• external display in Ubuntu 13.04

  - by thuc2009

  I have had a look on series of similar topics but I could not find a right answer. Currently, I bought laptop Dell latitude E6530 and installed Ubuntu 13.04 (64 bit) alongside with Windows 7 (I could not get rid of it because of some special programs for work). Ubuntu worked well, however, it did not detect the external displays (Dell 23" and Dell 19") no matter I plugged them before or after booting. Edited: I connected my laptop to those external displays through a laptop dock. I went to Settings- Display, the displays were there, but when I enabled them, Ubuntu logged off automatically. No external display was detected. In addition, the laptop screen sometimes was detected as Dell 23" I got an advice from similar topic that nvidia driver should be updated to version 313 or 319. I upgraded driver and the unity launcher disappeared, main display resolution turned to 640*480 and none of external displays was detected. I tried to use additional drivers, but when I turned it on, it told me that there was no driver to be used. Could some one tell me what should I do ? Edited : options vmwgfx enable_fbdev=1

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• eeePC 1001HA/1101HA max resolution when connected to external display?

  - by Marco Demaio

  Hello, I would like to buy a new Eee PC 1001HA or 1101HA. I know the max display resolution is: 1024x600 for eeePC 1001 and 1366x768 for eeePC 1101 But what's the max resolution of the graphic board when connecting these two types of eeePC to an external LCD monitor??? Let's say the external LCD monitor supports a full HD resolution of 1920x1080, are these eeePC graphic boards able to go up to such resolution??? It's really incredible to me, how such a useful information is missing everywhere on every ASUS website. Eee PC are very well suited to be connected to external monitor, so I can't believe how difficult is to find out this information. I downloaded aldo the manual, but it's not in there too. So I was hoping somone has got one and knows the answer. Thanks!

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• Can't copy from hfs+ external

  - by Janine

  I've spent days and days trying to figure this out, but still can't. I think I've read every article on this and tried all there is to try, and I still can't copy any file from my mac-formatted hfs+ external drive. Sorry if there's still an article I've missed.. I have disabled journaling and tried all the hfsprogs commands I could find, but still whenever I click on a folder on the external and try to copy it to my home directory, I get this: "The folder xxx cannot be handled because you don't have permission to read its content." I then found an article about inoring this by copying files through the Terminal. When trying to run the sudo cp -r command in the Terminal with my external drive path, I always get 'no such file or directory'.. Does anyone have another suggestion for me? Thanks in advance!

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• Can't mount external hard drive

  - by tezza

  i have a problem accessing the data on my external hard drive. I recently did a fresh install but mistakenly left my external hard drive plugged in. When I tried to access the data on the external HDD, it says "no files" but recognizes that there is 290 GiB of data on it. The HDD is 350GB big. I checked the drive with Disk Utility and it showed that the hard drive had a bootable flag. So, in the edit partition, I unchecked this bootablity. Now it won't mount in Ubuntu and now my XP can't recognize it at all, whereas I could access the data on the XP machine before. In disk utility, it doesn't give me the option to check the bootable box in again and I can't access the data on XP either. Any ideas on how to fix it?

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• unknown monitor problem

  - by dev

  I'm using HCL P30 laptop with 1280x800 60 Hz default resolution.But none of the ubuntu versions are capable of detecting my monitor.In 11.04 the resolution is 1024x768 61 Hz. When I run xrandr command in terminal,it returns xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 61.0* 800x600 61.0 640x480 60.0 So,how can I set it to 1280x800 60 Hz. plz reply soon. thnx in advance.

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• Laptop screen not detected but ubuntu working on other monitor

  - by Aymane El Baamri

  I have a laptop with with intel celeron inside 64 bit, the 64 bit amd ubuntu 11.10 is working on the laptop, just it wont detect the laptop screen but the same live usb worked on amd 64 pc, When i connected the desktop computer monitor to the laptop it worked perfectly with 1920x1080 screen, battery, WIFI. Im not sure if its cause i made the usb it with LiLo live usb creator on the desktop pc, should i remake the usb on the laptop?

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• External TV only allows 640x480 using VGA cable

  - by EdC

  I have Ubuntu precise installed on a MacBook Pro. When connecting to an external television using a VGA style cable the highest resolution available seems to be 640x480. I'm using the proprietary NVIDEA Accelerated Graphics Driver (version current) and attempting to setup the TV using the nvidea-settings tool. I know all the equipment supports higher resolutions because of the following: Prior to rebuilding my machine with precise, the same TV, cabel & adapter gave higher resolutions The same machine & TV when used with a HDMI cable allows higher resolutions Windows laptops with the same cable & TV are able to achieve higher resolutions I'm not sure what to look for next, there are some similar FAQ questions but I'm not sufficiently familiar with the areas involved to know if these are my issue or are safe to try. Specifically: colord problem & my monitor resolution 640*480 with no other options! - is the closest, but as I'm having no problems with the main laptop monitor I'm not sure the described symptoms apply. I can't work out from the answer or Bumblebee site how to determine if nvidia optimus applies to my laptop. Why isn't my monitor's native resolution appearing as an option? - suggests configuring X by hand, but doesn't entirely match the symptoms I'm seeing

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• Monitor connected with WiDi just shows a black screen

  - by Pops

  I have a Dell XPS 18 and want to use an external monitor with it. The monitor has VGA and DVI-D inputs. The XPS 18 has no video output ports, but it does support Intel WiDi. I have a Netgear P2TV2000 WiDi receiver, but it only has composite and HDMI outputs. I'm connecting the receiver to the monitor with an HDMI cable and an HDMI/DVI-D adapter. So, in short, the video path is: Computer → WiDi → WiDi receiver → HDMI cable → HDMI/DVI-D adapter → Monitor After setting all this up, I can't get anything to display on the monitor. At the moment I power the monitor on, I can see my desktop for a brief fraction of a second, and then everything goes black. All of the relevant drivers have been updated to the latest versions. When I use a different WiDi-enabled computer to connect to the same monitor, everything works fine. When I use the original computer and receiver to connect to a TV, everything works fine. It's only when I connect the original computer to the monitor I want to use that the connection fails. What could be going wrong here, and how can I get the video to work consistently?

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• Misconfigured external monitor on Mac OS X Snow Leopard 10.6.3

  - by Mike

  I have an external monitor (specifically, an HDTV) hooked up to my 2.53GHz 13" macbook pro. This display works fine and I use it with my mac in clamshell mode (eg. with an external keyboard/mouse and the laptop closed and the built-in mac screen turned off) My Mac has multiple users on it. For User A I can use the mac with the external monitor in both clamshell and dual-monitor setups. For User B, I can use the monitor in a dual-monitor setup, but whenever I switch to clamshell mode the Mac switches to an incorrect output resolution or frequency setting that my HDTV doesn't recognize, resulting in a blank screen and a message about Unsupported Resolution. Chances are I did this to myself by misconfiguring my display settings at some point in the past, but I have no idea how to undo it. I (obviously) can't seen the display to change the settings when it's borked. I can see the display settings if I switch to Dual-monitor mode, but those settings only affect the dual monitor setup; no matter how I change the settings in dual-monitor mode, the clamshell mode setup remains borked. How can I dig myself out of this hole?

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• Triple monitor setting in Linux with USB-HDMI adapter

  - by Oscar Carballal

  I'm trying to set up a triple monitor desktop at my office using Fedora 17, but it seems impossible, let me explain the setting: Laptop ASUS K53SD with 2 graphic cards, Intel and nVidia (Screen controled by Intel card) 24" Full HD monitor connected to the HDMI output (controlled by Intel card) 23" Full HD monitor connected to an USB-HDMI adapter (via framebuffer in /dev/fb2, apparently) VGA output (not used) controlled by nVidia card First of all, the USB-HDMI adapter works perfectly, it gives me a green screen (which means the communication is OK) and I can make it work if I set up a single monitor setting via framebuffer in Xorg. Here I leave the page where I got the instructions: http://plugable.com/2011/12/23/usb-graphics-and-linux Now I'm trying to set up the the two main monitors (laptop and 24") with the intel driver and the 23" with the framebuffer, but the most succesful configuration I get is the two main monitors working and the third disconnected. Do you have any idea what can I do to make this work? Here I leave my xRandr output and my Xorg conf: -> xrandr Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 8192 x 8192 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1366x768 60.0*+ 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA2 disconnected (normal left inverted right x axis y axis) HDMI1 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.0*+ 50.0 25.0 30.0 1680x1050 59.9 1680x945 60.0 1400x1050 74.9 59.9 1600x900 60.0 1280x1024 75.0 60.0 1440x900 75.0 59.9 1280x960 60.0 1366x768 60.0 1360x768 60.0 1280x800 74.9 59.9 1152x864 75.0 1280x768 74.9 60.0 1280x720 50.0 60.0 1440x576 25.0 1024x768 75.1 70.1 60.0 1440x480 30.0 1024x576 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 720x576 50.0 848x480 60.0 720x480 59.9 640x480 72.8 75.0 66.7 60.0 59.9 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) 1920x1080_60.00 60.0 The Xorg file: # Xorg configuration file for using a tri-head display Section "ServerLayout" Identifier "Layout0" Screen 0 "HDMI" 0 0 Screen 1 "USB" RightOf "HDMI" Option "Xinerama" "on" EndSection ########### MONITORS ################ Section "Monitor" Identifier "USB1" VendorName "Unknown" ModelName "Acer 24as" Option "DPMS" EndSection Section "Monitor" Identifier "HDMI1" VendorName "Unknown" ModelName "Acer 23SH" Option "DPMS" EndSection ########### DEVICES ################## Section "Device" Identifier "Device 0" Driver "intel" BoardName "GeForce" BusID "PCI:0:02:0" Screen 0 EndSection Section "Device" Identifier "USB Device 0" driver "fbdev" Option "fbdev" "/dev/fb2" Option "ShadowFB" "off" EndSection ############## SCREENS ###################### Section "Screen" Identifier "HDMI" Device "Device 0" Monitor "HDMI1" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "USB" Device "USB Device 0" Monitor "USB1" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection

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• How can I update generic non-pnp monitor?

  - by njk

  Background I've been running a KVM switch with my monitor at 1920 x 1080 over VGA for over a year. Did a Windows Update on 12/11/12 which did the following: Update for Windows 7 for x64-based Systems (KB2779562) Security Update for Windows 7 for x64-based Systems (KB2779030) Cumulative Security Update for Internet Explorer 8 for Windows 7 for x64-based Systems (KB2761465) Windows Malicious Software Removal Tool x64 - December 2012 (KB890830) Security Update for Windows 7 for x64-based Systems (KB2753842) Security Update for Windows 7 for x64-based Systems (KB2758857) Security Update for Windows 7 for x64-based Systems (KB2770660) After a restart, my extended monitor was dark. I attempted to reset the extended display configuration, and noticed my monitor was being detected as a Generic Non-PnP Monitor: I uninstalled, downloaded new, and re-installed display drivers. Nothing. I attempted to unplug my monitor from the power for 15 minutes. Nothing. I followed some of the suggestions on this thread; specifically DanM's which suggested to create a new *.inf file and replace that in Device Manager. Device Manager said the "best driver software for your device is already installed". The only thing that works is when the monitor is directly attached to the laptop. This obviously is not what I want. My thought is to somehow remove the Generic Non-PnP Monitor from registry. How would I accomplish this and would this help? Any other suggestions? Relevant Hardware ASUS VE276 Monitor TRENDnet 2-Port USB KVM Switch (TK-207K) HP Laptop w/ ATI Radeon HD 4200 Screens

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• Second monitor stopped being recognized by Windows

  - by Eric J.

  One of the developer PC's running Windows Vista Ultimate had the second monitor stop being recognized in Windows overnight. There were no hardware or driver changes at the time, though I have subsequently updated to the latest nVidia drivers (card is NVIDIA GeForce 210). The non-recognized monitor IS recognized during the boot sequence. In fact, only the "bad" one shows the POST or the Windows loading screen. At some point during Windows initialization after the loading screen disappears and before the logon screen appears, the active monitor switches. Any thoughts? UPDATE: When I open the Vista monitor properties window, I see my primary display and secondary display depicted. The primary one is portrayed as the regular blue box, but the secondary one is portrayed greyed-out. I have the option to "Extend desktop to this monitor", the only resolution is 800x600, and all of the advanced monitor properties are greyed out as well. If I opt to extend the desktop, the greyed-out box turns blue, when I then select Apply the screens flash as usual and I'm given the 15 second countdown to accept the new settings and when I do, everything returns to the previously broken state... secondary monitor is portrayed greyed-out again. At no point is the desktop shown on the secondary monitor.

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