Device Manager Reports Unknown Device Found?
Jul 15, 2005
I have installed a targus 7 port powered USB HUB on my computer. Device manager reports unknown device. I have deleted and it restalled the drived after the system rebooted. Device manager still saying unknown device. Their is not driver needed according to the manufacture. When the PC is booting it does see the IPOD mini and the Flash drive. But once the PC is fully out and login and I look a the device manager is still reporting unlnown device error (code 10).
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Aug 4, 2010
I had some trouble last night and today with getting rid of a virus. Now that it is gone, I am having sound problems (maybe related, maybe not). This morning, when I opened iTunes I got a message that there was no audio device detected. After trying several things, I rebooted. Magically, I could play music again. However, a short while later, I again got an error message telling me that there is no audio device found, even though it shows up in Device Manager as working properly. The problem goes away for a short time after I reboot, but returns. It is Realtek AC 97. Why won't my computer keep recognizing it? (It tried going to Realtek's site to download an update. It has updates for Windows 98, 95, etc., but not for XP. Or at least I couldn't find it.)
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Mar 11, 2006
Last night I installed ATiTool 0.24 over my 0.25 version (stupidly). I also did a BIOS update and installed Cat6.3 and then AVIVO converter. When I rebooted, I had this new PCI device requiring a driver,but it's an unknown device and doing an auto update helped me.I can't get rid of this pesky PCI device (tried uninstalling but Windows detects it again after restart/boot-up). All my stuff is working, so I don't know where this critter came from?
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Dec 24, 2007
I have a huge problem with two unknown devices in my "Device Manager" after formating and reinstalling fresh copy of Win Xp Pro.In my "Device Manager" there is two lines with Unknown devices.
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May 13, 2005
All of a sudden, the imaging devices attached to a computer with Windows XP Pro SP2 are showing up under the Unknown category in the Device Manager. The
devices are listed correctly by their names under Unknown, but the software won't communicate with them.Windows can see the devices, but it does not know what type of devices they are. It is only the imaging devices. One is a Canon 4200F Canoscan scanner, the other is a Sony Camcorder, and the third is a hardware capture device (Pinnacle Moviebox). The Canon scanner is a USB 2.0 device, while the other two are attached through firewire ports.
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Jul 6, 2004
I created a mess (but I'm learning more each day), and after a week got it going at least, but on boot got messagae "primary hard disc drive 1 not found" which required clicking F1 to continue. I ended up reinstalling XP, got everything up and running, but still have the HD message at each boot. I've passed all of the diagnostics in Set-Up, and found nothing on any of the troubleshooting sites that helped. Set-up says: Primary Drive 0 - Hard Drive; Primary Drive 1 - Unknown Device; Secondary Drives 0 adn 1 are both CD-ROM Readers. Everything works just fine, but I'd like to figure the drive problem. I had to create a partition for the reinstall - had no choice.
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Dec 28, 2007
Everest shows 3 unknown devices but device manager doesnt?my soundcard dissapeard today, i can still pick it up using "Unknown Devices" and EVEREST although when i try to run audigy 2 drivers, it`s telling me there are no supported devices in the system, anyone know how i can force the REAL device manager to see these devices?it seems only everest and unknown devices is picking up my soundcard, it also says AUDIGY from CREATIVE. it just is not appearing in device manager for some reason so i am unable to actually install it.
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Nov 7, 2005
When you click on the DVD icon in Device manager, it opens a window where you can troubleshoot the operation of the device. When I click on "troubleshoot", I get an error message indicating: "Marscore.dll not found", so I cannot troubleshoot the operation of my DVD player. I alos noticed that I get this same error message on some of my installed programs when I try to access the help files.
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Mar 12, 2005
When I click on device manager it says Microsoft Management Console.The selected file cannot be found.Anyone know what file loads the device manager so I can see where it went?
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Oct 6, 2008
I recently reinstalled Xp after formatting the hdd, since I was giving a friend in need this computer. Everything went smooth and I left the computer in her possession. A few weeks later I was visiting her and was using the computer when I noticed there was no sound, where there had previously been sound. Upon opening sounds properties box I found a message stating that there was no audio device installed.I opened the device mgr and there was a yellow exclamation mark under "video controller" which was under "display." After doing some research, I came to the conclusion that the chipset driver needed updated or re-installed.
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May 12, 2010
Running Windows XP on Emachines ET1161-07. Installed all drivers that I could find, since EMachines does not represent XP. Tried Realtek audio and HD audio, tried Intel, didn't work. Tried NVidia, as it has an NVidia motherboard. Spent too much time on this computer. Can anyone lend a hand? I know it's got something to do with Audio, as there's no audio device detected in Sounds, under Control Panel.Customer has to have computer today.
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Dec 17, 2005
I gotta a XP Home SP2 Machine was running fine then on boot up sound device not found. went to device mng and no items displayed. System restore had been didabled and Norton disabled as well. Done a spyware scan pull nout so did virus
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Aug 31, 2005
I had this problem last time when I fresh installed Windows XP Pro on my computer. I don't know the time, but it happens at least 30 days after I reinstall the OS and software. Today, my computer prompted me to install drivers for a PCI Input Device, but I haven't installed any new hardware for months. Basically, I haven't touched the inside of my computer for that long. So why is Device Manager prompting me to install this mystery device? Hardware ID shows that it is from vendor 1102, which is Creative, and I have an Audigy 1. Also, my FireWire port is Code 10, the device cannot start. So I'm thinking the mystery device is the same firewire port. But why show up as a separate device? I tried removing the devices and restarting the computer, but they return to haunt me again. The device properties for the PCI Input Device says PCI SLOT 7, AND I DONT HAVE A 7th slot! Can someone help me, please? Device manager shows my 1394 Net Adapter with a yellow exclamation, and it has code 10, device cannot start. There is an unknown device, the PCI Input Device, which doesn't allow me to install any drivers for it, yet it has the creative Vendor ID 1102. It shows itself as being PCI Slot 7.
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Dec 8, 2004
I have a feeling that this is simply a case of some registry settings which need adding/modifying/deleting but exactly which ones and what values I do not know. No, I haven't tried re-installing XP.
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Jun 20, 2008
I'm using XP SP3 Home Gateway desktop My device Manager has nothing in it. I don't know when it quit showing. I have checked Bios plug&Play, and it is set in Auto. I am also getting an error stating my recovery D: is running out of disk space.
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Dec 28, 2007
My computer cannot detect any cd's in my DVD or CD drive. When I open Device Manager the CD/DVD devices have an error. This error: Windows successfully loaded the device driver for this hardware but cannot find the hardware device. (Code 41) Click Troubleshoot to start the troubleshooter for this device.When I run the DriverScan it simply doesn't even have an entry for the drives, probably since it thinks it doesn't even exist at the moment.
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Aug 3, 2005
Anyone know how I can rename a device in device manager, (or the registry), so it doesn't show #2 after the device.I used the leadtek driver uninstall tool last night. And it removed the drivers I had for this Leadtek Deluxe tuner alright.BUT it also renamed my onboard Gigabit LAN (onboard) to #2 my scanner to #2,
and removed my Nvidia drivers for the video card.And reverted the videocard drivers to MS Nvidia drivers.I managed to fix the scanner entry by uninstalling the drivers, then rebooting and reinstalling the drivers.And I managed to fix the videocard drivers, by reinstalling the Nvidia drivers.So, yup, anyone have any idea how I can change the board LAN, so it doesnt have #2 after it? sing XP Pro SP2
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Feb 6, 2007
I'm using Win XP SP2 . I installed a second CD rom drive which was obviously no good because it caused the other one which is perfectly ok to show up in the bios as an unknown device. Both showed up in the bios as unknown device but the the first still showed up in system hardware the second one didn't.I removed the second one from the computer and the first one then showed up accordingly in the bios as the proper device but the bios is still saying the second one is an unknown device. Every time I start my computer I get the message secondary device missing press the F1 key to continue.
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May 23, 2007
Just put together my new system and all is working well, but I am left with this unknown exclamation in the "device manager". I can't figure out what it is.
The only thing device manager says is,Location: on PCI standard ISA bridge The drivers for this device are not installed. (Code 28) and in the conflicting device list it says Memory Range FED00000 - FED00FFF not available.
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Aug 5, 2005
i installed an usb device,and all the drivers for it,it worked for two days, it was recognized.Now it will not recognize the device.I have tried uninstalling and reinstalling the device drivers, all the software that used the device. and even tried to install the driver by locating with 'have disk' browse. i have tried all the directories that the drivers were installed to, and then some. and also the install disk. Device manager says that its an unknown device, and theres no problem with it. but will not update to the proper drivers. How can i alleviate this problem short of reformatting my computer.
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Jun 29, 2005
I have a Gateway 710X running Windows XP Home Edition which has been patched up-to-date.Connected to this is a Western Digital 80Gb external hard drive Model Nr WD800B005-RNN) The drive had been connected to the USB port for a long time without any problems in access. Tonight, however, it seemed to have been discovered as disconnected, and we reconnected the USB cable.Upon reconnection, we get pop-up windows in the lower right corner which state: (1) Found New Hardware: USB Device then switches to (2) Found New Hardware: Unknown Device then appears (3) Found New Hardware: Your new hardware is installed and ready to use then appears (4) USB Device Not Recognized
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Jun 29, 2005
I have a Gateway 710X running Windows XP Home Edition which has been patched up-to-date.Connected to this is a Western Digital 80Gb external hard drive Model Nr WD800B005-RNN) The drive had been connected to the USB port for a long time without any problems in access. Tonight, however, it seemed to have been discovered as disconnected, and we reconnected the USB cable.Upon reconnection, we get pop-up windows in the lower right corner which state: (1) Found New Hardware: USB Device then switches to (2) Found New Hardware: Unknown Device then appears (3) Found New Hardware: Your new hardware is installed and ready to use then appears (4) USB Device Not Recognized
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Aug 23, 2009
I installed all the Windows updates and loaded the drivers off the utility disk that came with the motherboard. I also got the updates from the GIGABYTE website. The utility app shows all drivers are installed correctly. It took me a couple of days to get audio to work because the initial driver load got corrupted somehow and it wouldn't let me reinstall until I deleted the driver's entry in the registry. After that I was prompted for the driver again and it installed fine and sound finally started working. Everything appears to be working and there is only the one Unknown driver in my Device Properties and it's really irking me. All my drivers were installed correctly in my previous installation
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Oct 22, 2009
I just installed Windows Xp on a puter. After installing all the drivers including the video card drivers from ATI's website the computer discovered an "unknown device on ATI Radeon X700"The motherboard is a gigabyte 8I865GME-775-RH and obviously a X700 Radeon Video Card. AGP drivers, chipset drivers and the like are all installed. The video card showed up as an unknown device when I first installed, I put in the catalyst drivers and it detected successfully, upon reboot this new unknown device came up and I can not seem to find any drivers for the thing. I tried reinstalling the catalyst drivers as well to no avail.
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Sep 9, 2009
I don't have sound and haven't for the past few days and then this morning a Found New Hardware Wizard keeps popping up trying to install software for an Unknown Device on High Definition Audio Bus.In the Device Manager, there are yellow question marks near Other Devices and then below it, in sub categories is a list of at least 20 (!) Unknown Device on High Definition Audio Bus.In the Audio Device section, there are NO Playback Devices, NO Recording Devices, No Midi Playback and the same in the Voice section. Usually I have Realtek listed there.
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Jul 5, 2009
Help with Unknown Device (media reader)wont find anything related to this
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Jun 23, 2002
I installed a fresh copy of WIN2000 on my IBM Thinkpad A21m but I am having a problem setting up a device in Device Mangager. I have no idea what is going on.
When i reboot the laptop it prompts me that it has found a new piece of hardware and it wants me to install the driver for it. The problem is that I have no idea what device it is since all the devices that should be working are working - so i don't know what to do.
The clues that I have noticed that might help:
- the laptop takes a LOOOONG time to boot up (3 or 4 mins), and is sort of sluggish in operation (compared to how it ran when i bought it)
- my internet connection is super slow ( I have a DSL router that serves 3 computers incl. mine, the other two have XP and everythign runs smooth)
- the unknown device says it is located on the the "Microsoft ACPI-Compliant Embedded Controller"
Would any one know what Device this "Unknown Device" is??? I just need to know so i can install the driver so my system can run properly.
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May 24, 2010
I have a bit of a problem, for some reason my system is showing "unknown" in my device manager, the only hardware that has been installed on this system is a new video card, (radeon HD5570) that seemed to go in without a hitch. Simultaneously, with this appearing I started having issues with windows media player not play .mod files, using web help it says that I need to update my audio drivers, but according to Dell they are good. Would really like some help with this.
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Apr 4, 2007
My device manager is gone! This is a friends computer(all computer specs given are for the computer I am speaking of in this post), so I am not aware of any changes they may have made and I also don't know how long it has been gone. When I go into my control panel / system / hardware / device manager It brings up an internet explorer screen that says the following:I also tried running a Windows search for "Device Manager" and it came back blank. Does anyone have any ideas how a device manager can disappear? I found other posts about Device Managers being empty but no problems quite like mine.
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Apr 8, 2008
It opens but there is nothing is in the box. Is there a SFC program for XP that might restore it, or other options?
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Aug 30, 2005
A friend of mine has a 4 yr. old PC running XP Home with 128Mb of memory. He's had problems with programs aborting recently. I tried to run Device Manager to make sure there were no issues there. It briefly brought the screen up, then it went away. The same thing happened to Task Manager when I tried to see what was running and how much memory was being used. Anybody ever see this behavior before? I might try installing a memory cleaner pgm (ie. Memturbo), but I'm not sure I would even be able to get it to run. The hard drive amd memory seem to have no errors.
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