Windows Does Not Recognize External Display Connected To A Laptop
Jun 30, 2012
I have a HP Pavilion dm1z laptop. The laptop has a HDMI port. I am trying to connect it to my Samsung BX2335 display. The display has the DVI dual link port only. So I bought a HDMI - DVI adapter.I have Win7 x64 on my laptop.When I start the laptop with the external display connected, the picture is duplicated on both the laptop and the external display. But as soon as Windows starts, the picture will only be displayed on the laptop, 'Starting Windows' being the last picture shown on both displays.After some investigation it seems that windows could not detect the external display successfully. In the 'Screen Resolution' window the external display is shown as 'Display the device on: VGA'. It is impossible to view the properties of the external display, as the option is disabled, and the display is called 'Default Monitor'.I tried updating the AMD Radeon Catalyst drivers, but this did not help. Tried to install the external display drivers, but these installed as the mobile device display drivers.
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Jun 30, 2012
I have a HP Pavilion dm1z laptop. The laptop has a HDMI port. I am trying to connect it to my Samsung BX2335 display. The display has the DVI dual link port only. So I bought a HDMI - DVI adapter. I have Windows 7 x64 on my laptop. When I start the laptop with the external display connected, the picture is duplicated on both the laptop and the external display. But as soon as Windows starts, the picture will only be displayed on the laptop, 'Starting Windows' being the last picture shown on both displays. After some investigation it seems that windows could not detect the external display successfully. In the 'Screen Resolution' window the external display is shown as 'Display the device on: VGA'. It is impossible to view the properties of the external display, as the option is disabled, and the display is called 'Default Monitor'. I tried updating the AMD Radeon Catalyst drivers, but this did not help. Tried to install the external display drivers, but these installed as the mobile device display drivers.
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Nov 2, 2009
Well, running Windows 7 ultimate on a Dell xps m1330 laptop. Everything looks good, but at work I am connected to a matrox triple-head-to-go device which is connected to (3) 22' monitors (3840x1280 resolution). Now when I connected it, ran the nvidia app, it found it and worked great.
Problem is I get home, no external connected, so running off the laptop with the basic resolution, I am trying to start apps (firefox, stickies, etc.) and I guess they were in other spots at work as I don't see them.
I forced a close on FF, then re-started, rt clicking and maximizing which worked, but then other apps like stickies don't have that option. An alt-tab shows it running in the lower right (see screenshot), but there is absolutely no way of getting to the app! I did close the app completely and restarted, but it does restart in a location not on the screen.
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Jul 6, 2011
I am getting a lot of BSOD when my laptop is connected to an external monitor using a display-port cable.The system is fine when I don't use a external monitor and use just laptop screen. External monitor is a Dell 30inch. I have tried different display-port cables, different monitors, tried connecting via vga...still get BSOD, so I am thinking the problem is more on the windows 7/software side rather than hardware.
1. Uninstall AVG free edition 2011
2. Upgraded network-gigabit driver directly from intel instead of Lenovo
3a. Upgraded Nvidia drivers directly from nvidia for Quadro 1000m (ver 8.17.12.7533 - 5/20/2011) - got BSOD within 30min
3b. Downgraded Nvidia drivers to version from Lenovo (ver 8.17.12.6696 - 2/2/2011) - still get BSOD but there is more time between BSODs.
I am using a lenovo w520 laptop, win 7 SP1, x64. 8gb memory, intel 510 solid-state drive, Nvidia Quadro 1000 and Intel HD Graphics 3000, No-Anti-Virus and running zone-alarm firewall.
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Mar 28, 2011
my laptop acer aspire doesnt recognize my external hard drive in windows7. I will be great ful to them. it doesn't show any external hard drive but it shows pen drive and mobile usb cable but not external hard disk
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Sep 26, 2011
I am a MAC user but for a project I have to upload something on a PC...the external hard drive is recognized by the computer but I cant see the files on it...it is fine when I hook it up to the Mac..
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Jan 22, 2013
My work laptop, an HP 8560p, crashes after a period of time with an external monitor connected to it. Crashing can occur anywhere from a few minutes after rebooting to a couple hours after rebooting. There is no BSoD when the laptop crashes; the laptop just shuts off and automatically restarts. I have not been able to replicate this issue without an external monitor plugged in. The issue happens with the external monitor plugged in via direct to the laptop or through the dock; VGA or DVI.
So far I've tried:
A clean sweep of the video drivers and testing both the windows display drivers and the ATI drivers.Sending the laptop to HP, where they completely replaced the motherboard.Currently running memtest86+ (currently 2 passes through without any issues).
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Sep 15, 2012
Computer: Acer Aspire 5534, AMD Athlon x2 Dual Core L310 1.2 Ghz processor, 4 GB RAM, Win 7 Home Premium SP 1.
Phone model no. not identified, but software version is vx560404.
When the phone is connected to the computer, the usb recognition sound is issued, but the "Found New Hardware" message is not displayed nor is the "Safely Remove Hardware" icon.
The phone is displayed in Device Manager (LGE CDMA Composite USB Device), and in the Control Panel item Devices and Printers (as LG Mobile Phone, LG Mobile (Modem) and LG Mobile (Serial)). However, it is not displayed in Windows Explorer (trying to transfer photos from phone to computer).
I tried running the Troubleshooter, and a message was displayed that said a problem (not identified) was fixed. Except it wasn't. Restarting the computer did not solve the problem.
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Feb 22, 2011
i have a brand new toshiba laptop connected wirelessly. however it keeps showing connected however no internet access.i have a notebook as well that is brand new and it connects no problems what so ever.im using windows 7 home premium and 64 bit os.
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Sep 14, 2011
I have been using my WD External Hard Drive in my new Windows 7 desktop. Everything was working fine until this morning, my external HD stopped responding. Everytime I connect external HD to my desktop, I get " You need to format the disk H: before you can use it".
I've tried changing the drive name as well but with no success.
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Sep 5, 2011
My 1.5TB USB( using the EZ-dock adapter) drive is about full, and I'm looking at a 3GB drive to replace it. My system is a Netbook with USB 2.0 as the only external drive interface so that limits my options considerably if I want to keep it to something I can throw into my suitcase easily when travelling.
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Dec 27, 2012
i recently tried to upgrade my computer by installing a new OCZ Agility III SSD. I didn't really want to reinstall windows as it is an OEM install and I dont have the disk. I therefore took the supposedly easy way out and bought a OCZ SSD Upgrade kit which contained Acronis True Image HD software to "Easily Clone and Transfer Data" as per the front of the box.The existing drives were 2 Seagate 500GB drive in a RAID0 Configuration All seemed to go well with cloning the drive, booting off the SSD until I noticed that no mass storage devices I have were being recognised anymore, all of which worked perfectly with the old RAID0 drives.
I have tried everything that I can find on this forum to no avail, however, I am not a computer expert, but a reasonably competent home user. On my motherboard (Foxconn H67MP), I have 2 yellow and 4 blue SATA ports. At the moment, I have the SSD in a blue port and have left the old disks in a RAID array on the yellow ones as I think they are the only ports that support RAID. During the installation, I repartitioned the RAID drives to create a backup partition which may or may not be relevant?I have 3 External HD, 2 WD and an Iomega all of which worked before installing the SSD. The WDs are USB powered and the Iomega (shows in device manager as Samsung HD503HI) is externally powered but none of them show in disk management. I can see the drives in device manager with a yellow warning triangle, however not in disk management. I have tried uninstalling the drives, the USB controllers, disabling power management?
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Feb 17, 2010
I've been all over the net trying to resolve this issue, and found many hotfixes,downloads from Microsoft and manufacturer, but to no avail. My external drive was recognized for the first month. Then, very suddenly, Windows 7 doesn't recognize it. It sees it, but prompts a "Need to Format before first use". It has 300G already used with valuable info.Tried moving the external hard drive to our home PC with Windows XP and the same "Need to Format" message is prompted. If I hook it up on my wife's MAC, I can see the data. Now I have read that this is a known issue with the 64bit version of Windows and external drive. I have already all the KB976972 and KB977074 download fixes from Microsoft. I have also tried to uninstall the drive, unplug it, turn it off, restarting Windows, and plugging back the drive, but I have the formatting prompt again. And if I choose to not format, i have an error message DATA ERROR (CYCLIC REDUNDANCY CHECK).**This does not seem to be an issue regarding only the WD drives but all drives**Called WD tech, and it was useless. Does anyone have a fix? A link to share? An idea? I'm running Windows 7 Ultimate 64bit on my HP Pavilion a6418f.
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Aug 7, 2012
For some reason my HP Laptop (Win 7 Home Premium) can't see/recognize my usb external hard drive (seagate). When I start/restart my computer and connected the usb cable into laptop, it shows the icon on bottom taskbar (safely remove hardware and when clicked on the usb icon, I see "open Devices & Printers and Eject USB to IDE bridge), but I can't see my drive at all when I click on "my computer"? I can only see it under "right click Computer, Manage, Device Manger, Disk Drives," it only says; "generic USB Disk USB Device". And when I expanded the USB controllers via Device Manager, I can see it under USB Mass Storage Device. Sadly, I can't do much there/here unless Win 7 can see/recognize the drive under "My Computer".<> HD is 40GB IDE Seagate (enclosure is PowerSpec 3.5 IDE to USB 2.0)<> Drive is only storage for data, documents, pictures and softwares/programs, etc.<> Drive is/was not formattedAgain, this drive was never formatted, only for storage purpose (i.e. pictures, documents, data, etc.). I can see it on my old computer when connected internal via IDE cable.
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May 21, 2009
I'm using the release candidate and whenever I plug in my Western Digital Passport USB external hard drive, I get nothing. It doesn't show up in device manager or in My Computer. The light on the harddrive comes on and the drive spins up, so I know it's working. Windows just won't recognize it.
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May 28, 2011
Not from, but to. It's do-able I know, but would it just utterly kill performance?
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Apr 15, 2012
my laptop was working now it won't print i can't access print manager, it won't recognise the external hard drive i can't get at the control panel, i've run a full scan alls well!? tried various prompts
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Oct 29, 2012
I'm running Windows 7 Home N SP1 x64. I'm using an M-Audio Fast-Track Pro device to record audio into a music sequencer (Cubase 5), through a Shure SM58 Microphone. The M-Audio box is connected to the computer via USB. I've been using this set-up for about a year now and it hadn't caused me any problems until the last few weeks. For some reason Windows is not registering any signal from the input of the M-Audio box. The box itself picks up the sound and I can hear tapping on the microphone when M-Audio is selected as the output device, but not from the built-in speakers.
I first noticed the problem in the software (and thought for the longest time that it was the software). I'm very competent with Cubase and tried everything I could think of to get it to register with no avail. It was only when I tried to use the device on another sequencer that I realised that it's not the software. Then, since the mic works fine, the box itself is picking up the signal and out-putting it through itself, it must be something wrong with the computer or the OS.
I've re-installed the M-Audio driver, didn't make any difference. I've set the M-Audio as default in both playback and recording tabs in the sound control panel. Playback works fine. One thing that's really strange is that when I open manage sound drivers in the control panel and tap on the mic, neither the levels in recording nor playback even flutter, even though I can hear it pretty clearly through the headphones.
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Jun 24, 2012
i have a Sapphire hd 7850 graphics card and two monitors connected to it one hdmi one dvi-d. both screens are showing the same image and when i go into screen resolution it shows only one "generic PnP montitor". this was a fresh install of windows seven and it did work before that. the driver for the graphics card is saying "standard VGA adaptor" is this normal
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Nov 24, 2012
windows 7 is saying that the external drive is nor installed successfully
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Sep 3, 2011
Checked replacing the RAM to another slot, checked by replugging the video card, but still couldn't able to get the display, checked all power cables also that is well connected.
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May 3, 2011
Running Win 7 home, acer 1800.About a week ago I installed a Buffalo 1.5 TB external drive and automatic back up package, it was working very well, however it now shows as " Not Connected".I have replaced the usb lead but no change in status.It is also no showing up with other drives?Any one had this problem and found a fix?I did a search but found nothing quite like this.
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Jan 16, 2013
I am using an external USB combo drive, now I decided to take out the drives and have them permanently plugged inside my system through sata. None of the hard drives are seen in the bios or windows 7 x64 yet when I plug them into my usb combo external they show straight away. I know it cant be a setting as I already have a couple of sata drives internally that work fine. Why are these two drives that have been sat in a usb external not being seen at all when plugged internally on the motherboard?
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Jul 22, 2011
I'm having some trouble getting an external hard drive to be recognized by my computer. I have quite a few already, but I got another one because one of them won't read on my comp, although it will read on my netbook. The new drive I got has the same issue, no go on the comp, but works fine on the netbook.
I tried unplugging all of the other drives and even using the other cables to connect the new drive, but Windows 7 simply won't recognize it being plugged in. No "badump" sound and no icon in My Computer. Tried restarting, nothing. I tried it in all six of my computer's USB ports, but got no better result.
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Sep 28, 2012
I am trialing Macrium Reflect because of its good reputation. I have a simple requirement. Backup to external hard drive (WD Passport), it is USB 2.0. Then use the Windows PE rescue CD to boot up and restore from external HDD. I have been researching this. I know about the lack of USB 3.0 support. But my drive is USB 2.0.
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Jun 1, 2012
my external hard disk not recognised in my pc,but it working on other PC and lap tops
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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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Aug 24, 2010
I have a netbook with a 10.1 inch screen, and a 22inch LCD display panel. When I connect my netbook to the display, the words seem too small at 1920x1080 resolution. If I set the font size to 125% or 150%, then it would be too big once i unplug my external LCD and use the netbook's 10.1 screen. Setting the 22 LCD to a lower resolution makes the text look very blurred, so that's not an option.
Is there anyway/script/program to automatically change the font size when I connect/disconnect the LCD screen?
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Nov 4, 2011
I run win 7 sp1 on dell inspiron 1520 Its dvd-writer was damaged, so i bought an external Transcend dvd-writer and its working properly but when i insert a bootable cd in it and want to boot the windows from it, the windows does not recognize it and boots normally from internal hard driver as usuall. I am sure the cd is bootable and have tested it in other systems.
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Jul 16, 2011
I've noticed that my Logitech optical mouse jerks when my Western Digital Essentials external harddrive is connected to my Bufallo USB3 PCI board (IFC-PCIE2U3). I've updated the board's firmware and driver. I'm using Windows 7 64bit. The optical mouse is connected to a separate USB2 motherboard port.
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Jan 17, 2012
I was running windows seven and my HD started failing so I bought a new one and had it shipped in. After recieving it today I backed up my old HD on to a My Passport I had lying around created my repair disk and set out to restore my new blank HD. When I got to the startup and repair menu I clicked restore from image and my computer scanned and could not find an image to restore from. The external is plugged in and I can see the backup files when it gives me the option to look for drivers but it wont recognize the external to let me load the files from it.
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