External Monitor Used To Work/now It Doesn't But It Is Still Detected?
Dec 25, 2012
I have an Acer Aspire 5741-5979 using a graphics card of Intel (R) graphics. This is a new issue I have had recently. I used to connect an external monitor to my laptop, and it worked fine. The issue is that the laptop still detects the external monitor but the external monitor does not receive a signal when I plug it in the VGA (blue trapezoid connector) have played around with the display options an exhausting amount of times and nothing works there. I tried what worked before (extending the display) and trying to clone it. I thought it might be a driver issue and I reinstalled the driver, but this didn't seem to help either. I have used many monitors when it worked, and also tried different monitors after it stopped working to no avail
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Sep 12, 2012
I can't seen to be able to utilize my HP external monitor with my Sony laptop?
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Dec 20, 2011
I have a virus and trying to get my laptop to work in safe mode, to fix it. But my Laptop monitor is broken so I use an external monitor but now I can't get that to work.
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Sep 2, 2011
I have a seagate 2 TB external HDD. It has 1 FAT32 partition. Everything works as expected in Windows Vista/7 and even in Ubuntu.When connecting the external HDD to any XP machine (tested 3 computers with XP), the device will not show up under My Computer.It is visible in Device Manager.Under Disk Management, the drive shows up without any labelling and has improper file system and partitioning.It's as though the partition table is messed up, however, the drive works perfectly on any Vista/Windows 7/Linux pc. [code] Not only is the capacity incorrect, but darn well everything else about the drive shows up incorrect under Disk Management.This happens with all XP PCs. Also, I ran a SFC /SCANNOW with one XP machine in the event the FAT32 drivers or DLLs were corrupted and no resolve.I reinstalled XP on the same machine and the results were identical.
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Jan 24, 2013
I have a Lenovo u400 laptop and im trying to connect my external samsung syncmaster bx2335 to it through an hdmi/dvi adapter.When it first boots up, the monitor works displaying the lenovo logo but when it gets past the windows logo and onto the log in screen, it switches back to the laptop and the monitor wont respond anymore.I have uninstalled the video drivers and that make the monitor work when windows was on, but once i tried to reinstall the drivers the problem came back.
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Jul 5, 2010
nvidia control panel shows 2nd monitor as vga but is dvi and doesnt work it recognizes otherwise as fine in the windows settings and nvidia control panel it got reset ? after I woke it up from sleep how do i force it back?
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Dec 7, 2009
I'm running into this and issue and I can't peg down a cause. I recently updated my Vista HTPC to Windows 7. When booting up I can get into the OS, but the screen goes black shortly after.
I have tried two monitors: the Panasonic plasma just goes black and when I try Samsung Syncmaster LCD it looks like it's searching for digital, then analog sources.
I have an Nvidia 8400 GS card and I've tried both the 191.07 and 195.62 drivers. I've also let Windows install the drivers after uninstalling the Display Adapter in Device Manager in Safe Mode.
When I start in Safe Mode I cannot recreate the issue. I tried uninstalling/reinstalling the drivers in Safe Mode.
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Jan 28, 2010
I was using two monitors with two ATI Radeon 4800 cards and that worked fine. I just purchased another monitor (Samsung) and now I cannot get it detected. The device manager is only showing 2 generic PnP monitors. I'm not sure why they would not be the specific monitors brands either (one Samsung and one Acer).
Any way of getting the third monitor detected? I've heard about deleting the graphics card drivers and then the monitor might be detected. But I do not know the procedure for doing that.
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Mar 2, 2012
I'm running a ASUS P8H67-V REV 3.0 mothboard which has a VGA and a DVI-D output. When I connect a second monitor w/ a vga to dvi-d adapter, it does not detect the monitor at all. I've tested the DVI-D port with a dvi to hdmi cable to my TV, at it works as soon as I hook that up. Below is the onboard graphics info.
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Dec 28, 2009
So I got a new monitor for xmas, the LG Flatron W1953T and I wanted to get it running with my Dell monitor. I have an onboard NVIDIA GeForce 8300 and at first just tried to plug the new monitor into the DVI port but I think it's broken or something.
Anyways, I bought this Triton Technologies External VGA video card that I just plug into a USB port, and now I have both monitors running through VGA, and my second monitor is up, but the resolution just looks terrible on the second one, and when I go to adjust resolution or whatever it says I have only one monitor and if I hit detect it doesn't come up.
In my devices menu it says I have the dell menu, and then two other "Generic non PnP monitors" even though I only have one other monitor connected.
I also go to my NVIDIA control panel and it doesnt say the second monitor is detected.
Both monitors are working, like I see my desktop background on the other monitor and I can drag stuff over to it but its just not detected or something idk. I want to download Ultramon too, (Or should I get something else w/ windows 7? I heard you cant have two taskbars w seven.
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Feb 2, 2012
This has been a problem since moving to a Windows 7 64 bit machine.
I plug a HDD into an external USB and...nothing. Not listed in the computer "tree" when I go to administrative tools/Disk management it is not listed, and in the bottom tray there is no icon to safely eject the drive, as if it isnt even there. It is spinning though so I am afraid to unplug it lest I corrupt info on the drive.
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Jun 29, 2012
So I just upgraded from a GTX 560 TI to a GTX 670 and now my computer can't detect my second monitor. My main monitor is plugged in via DVI while my second computer is plugged in via HDMI. I've been on nvidia control panel and tried finding my second monitor there on the "multiple monitors" section, no second monitor there either.
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Dec 29, 2011
New Build Asus M5A88-M EVO
Phenom II x6 1055T 2.8Ghz
Samsung 840 series 64Bb SSD
Radeon HD5570
Win7 Professional 64 Bit
Annoying intemittent fault whereby the monitor is incorrectly detected as a generic model instead of an LG L192WS and the screen resolution changes to a lower setting which loses a large percentage of the desktop. I've updated to the latest AMD drivers as that seemed to work for others with a similar problem but to no avail. it takes 5 mouse clicks to open desktop and reset the display to the correct one, but after spending quite a bit to speed up my system I begrudge the time!
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Apr 14, 2011
I have an 1T external drive plugged into esata port. It used to work and now it doesn't? When I boot up bios correctly identifies the drive as a seagate sata drive. When I look at device manager is says its a seagate SCSI drive and therefore the system doesn't recognize it at all? In device manager under drive properties it say " this device is working properly" I checked in disk management.
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Sep 7, 2012
Why my external Hardisk cannot detect in any pc or laptop?
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Feb 26, 2011
I'm a bit kind of desperate now. I purchased a 2TB Western Digital Sata drive (WD20EARS) and an enclosure with USB2 and eSata interface (independent power supply).Everything was ok for almost 2 months till today it just suddenly stopped being detected at all.I wasn't doing anything in particular when this happened. I remember I restarted my laptop around the time this happened (I do not remember if it happened before or after this)When I attach it with the eSata cable, nothing happens. With USB, I hear the beep that "something" was attached but then again nothing. Nothing at all in Device Managre or Storage Management.
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Oct 6, 2011
I recently purchased an Iomega 1TB external hard drive to back up my files from my Laptop (Toshiba satellite) because it has been constantly showing hard drive failure warnings and messages telling me to back up my files. When I connected the hard drive the first time, it worked fine and I was able to access it, but didn't use it for anything at the time. The next time I used it, however, the usual "New device" sound didn't play and the hard drive didn't show up in the file browser. I then looked up the issue to find that it is a common problem where the device hasn't been assigned a drive letter. I went to the Disk Manager to fix the issue but the device was not in the list of connected devices.The problem seems to be with my computer because it works fine on my brother's computer and has no issues.Additionally, I have been having problems with Windows Update being stuck on "Downloading 0%" and have had to use the system restore several times when getting stuck on an update message on startup. I think that this may be the cause of the problem (and yes, I have turned on the hard drive).
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Jul 10, 2012
my 80GB WD Passport is not being detected by my laptop when plugged in (by USB). A LED at the side of the external hard drive indicates that it is being powered on even though the computer shows no sign of detection (no sound indication; nothing showing up in My Computer). External Hard Drive Specs 80GB Wd Passport, model wd1200u017-002.It is only compatible with USB 2.0.
Computer Specs
Windows edition: Windows 7 Home Premium
Manufacturer: Dell
Model: N5110
Processor: Intel(R) Core(TM) i3-2310M CPU2.10GHz 2.10 GHz
Installed memory (RAM): 6.00 GB
System type: 64-bit Operating System
(note this computer has both USB 2.0 and 3.0 ports, & I tried the harddrive in both ports)
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Oct 24, 2012
I have windows 7 32 bit on a toshiba laptop. I am posting becuase this is a strange situation. I have a goflex exteral terrabyte. The computer recognizes it, lists it in the device manager and claims that it is working properly. However, I can't access it, I can't save anything to it, or get anything from it, or even see the files on it.
Now, I have a mac and a pc, the drive said it could be used on both. So i first used it on the mac (and it works perfectly) but not on the pc. It there a share error maybe?
I am an editor and I was hoping to be able to easily move from my computer (mac) to my clients (pc).
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Sep 29, 2011
I have 2 versions of windows; 7 Home Premium and Ultimate ...both are 64 Bit.
I have a Lite-On eSAU108 Black Slim External DVD Burner which works flawlessly on my laptop running windows Ultimate 64Bit. I just built myself a new system and wanted to use my external dvd burner rather than an internal drive
When i plug the burner into my rear usb 2.0 ports on my home premium version of windows 7 i have installed on my desktop it wont even detect the eSAU108 USB burner!
My initial thought is that I have a driver issue. Im fully updated with all my hardware except the motherboard BIOS and windows 7 home premium is fully updated.
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Jan 8, 2012
My desktop does not detect and external hard drive that do not come with their own power supply. I have many externals that also plug into the wall and they are working fine; but whenever it is an external without a plug, i.e. the portable ones they are never found.
They do not show up in Computer Management, so it is not because I did not assign a letter to the drive.
I have tried various things, but I don't know what I should be testing for or looking for. These externals all work on other laptops and other desktops perfectly fine so it is not the externals. When they are plugged into my desktop, they light up normally like they should, but the desktop never detects them. I have tried these externals with the different USB cable I have on hand, but nothing seems to work. It doesn't matter which USB port I plug the device in, it still gives me no response.
I am running a i7 860 on a ASUS P7P55D Pro.
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Sep 1, 2011
Sometimes when I turn on my computer although computer starts but the monitor doesn't show anything. I unplug the power cable from back of computer and then replug it and after that monitor starts responding (it starts showing desktop), how can this problem be fixed.
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Jan 15, 2013
suddenly i can't use the old monitor resolution. I was using 1440 x 900, now it doesn't let me anymore; when i 'forced it' from nvidia control panel it appeard with two black bars on the sides and foggy text. I think is a problem with the monitor recognition, because it doesn't appear my name monitor, it appears Generic Non-PnP Monitor.I mention that i already reinstall the windows and graphics driver.
Monitor: Acer x193w Graphics card: Msi GeForce GT630 2048MB DDR3 PCI-E
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Jan 1, 2013
I have a Dell laptop & have been trying to use it on a external monitor but its not working. It has worked in the past but now its saying cable not connected on the external screen. FN f8 isnt working for it anymore. Any ideas how to get it working again ?
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Feb 8, 2011
i have a samsung syncmaster 915N that i am trying to hook up to one of my laptops and am having no luck. i have two hp's one is a pavillion dv4, the other is a dv6000. i tried messing with every setting i could find on both computers and can't get anything but a black screen to show up on the samsung monitor. it came from a desktop that crashed so i know it works. i tried the function key that looks like the monitor as well.
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Dec 9, 2009
I have a Thinkpad T61 and just installed Win 7 Professional with an external monitor.
After loading Win 7 i needed to select connect to projector to get my external monitor working. Windows 7 is displayed on the entire screen and all text is nice and crips. No distortion whatsoever.
The problem is the Win 7 Intel 965 chipset family patch. After installing it i loose about 1/2 inch on the right hand side of the monitor. Adjusting the monitor (it has an automatic focus and alignment adjustment function) does not resolve it. I still see that 1/2 inch black border there.
But worse, any text (word document, web-pages, txt files) goes from crips to blurry every 2 inches and the monitor adjustment can't fix it. Removing the Intel chipset patch and rebooting the PC shows Win 7 from frame to frame again (no more black border on the right) and the text is all crisp again.
The monitor driver version that was loaded with Win 7 is 8.15.10.1749. I downloaded the latest driver from Intel 8.15.10.1930 but even with that driver i get the black frame and text distortion back.
Anybody has experienced this before and knows how to fix it? Not using the Intel patch forces me to logon on the notebook (which is in a cupboard) then select connect to a projector again to get Win 7 onto the external monitor. And unfortunately this setting is not retained.
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Jul 8, 2009
Im running 7 on my laptop, and im trying to get it to output only to my external monitor when the lid is closed. I can get it to extend my desktop, but when i close the lid, it turns off the external monitor. I have set Windows 7 to do nothing when lid is closed. Is there anyone else with this problem?
I have an Dell Inspiron 1525, with Intel x3100 integrated graphics, if that helps.
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Aug 11, 2009
I have always used an external monitor when using windows vista and now that i have upgraded to windows 7 when i plug in my external monitor it flashes on and off. I have changed the refresh rate on the monitor and all it does is change how fast the external monitor flashes. Also, I had this problem when using windows vista and I changed a setting in windows task scheduler and it fixed it. Tried doing the same thing in 7 and the problem is still there. In addition, I tried using a different monitor cable and the problem is still there.
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Jan 15, 2013
I'd ideally like to rig it up to an HDMI adapter, but VGA would be fine as well.
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Sep 29, 2010
I recently installed Windows 7 - 64 bit on my Dell Precision M4400. Now the computer does not recognize any external monitors. It does not detect the external monitor as connected. I tried FunctionF8, and also tried to find if there were missing or outdated drivers and have had no luck.
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Jun 5, 2011
can I make an external monitor the primary with a dell lap top inspron 1501
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