Dell :: XPS 15Z Windows 8 Unknown Device Located On PCI Express Root Complex
Nov 7, 2013
I have a Dell XPS 15Z, which I bought off a friend. They recently updated to Windows 8 and so now thats what I have. But when i go into my drivers its telling me that i have an unknown driver. no solutions online have answered my questions though some came close. So, this is what i know:
Unknown Device
Device Type: Other devices
Manufacturer: Unknown
Location: on PCI Express Root Complex
Hardware Ids:
ACPIVEN_SMO&DEV_8800
ACPISMO8800
*SMO8800
i don't know if this is related but my laptop also wont charge. I just bought a new AC Adapter to replace the one i had, and it still isn't charging. The light blinks red 4-5 times and blue/green once. ive searched online to see what the problem is but i cannot do some of the fixes as the computer is at 0% battery.
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Apr 17, 2014
when look in the device manager i get this:
[URL]
and PCI Device above this to unknown device ( i took this photo from google)
when i try to delete it back after restart or Scan hardware change
lenovo ThinkPad Edge E540 20C6006JIV win 8.1
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Feb 8, 2014
Last part of the message, (Device Descriptor Request Failed). I get this, in Device Manager, and I have searched for an answer on the net. Also it is a Code 43. I went through my laptop, with an HP Technician this morning, I might add at a cost of 5p/minute, for 30 odd minutes. He has said that because I had gone over to Windows 8.1 and the recovery discs I made will not load, to put back in Windows 8. I have to send the laptop back for re-installing the OS, because Windows 8.1 do not have the update for my problem. Also the R.H. USB socket has a failure ID:0GAPTK-6T7716-MFPWWK-8D1Q03. I personally think that this is all what the problem is. a duff USB. Is this a cop-out???
Does Windows 8.1 having driver WHQL problems?
I only found out the problem with the usb when I tried to download a Mobi file to a Kindle for my wife. The other usb's work OK.
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May 14, 2013
First my computer when bought came pre installed with Windows 7. As soon as Windows 8 came out I upgraded to Windows 8. My system is BIOS not UEFI. I have about 3gb ram and 500gb hdd drive 2.20 ghz processor. Windows 8 runs really smoothly. So recently 2-3 days ago I decided to dual boot Ubuntu with Windows 8. Before when I had Windows 7 I dual booted it with Windows 8. So now I thought about dual booting with Ubuntu 12.04 LTS. The Installation process was fine until I take out the installation usb with Ubuntu and whenever I try to restart it the PC would hang on the oem screen for a while which is ridiculously long.
Then when I would boot into Windows 8 and sign in I would get a notification message saying the last storage device you plugged in isn't found. I went to the device manager in Windows and it would say an unknown device has been found and even if I tried to Uninstall it would come back again. I tried searching for updates but nothing came up. I googled it and got no results. What annoys me the most is the PC hanging on the oem screen. Right now I fresh installed Windows 8 so it's the only OS running at the moment. But I want Ubuntu 12.04 LTS because of git, ssh and all the server side stuff. I have also posted the error screenshot for more info.
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Aug 31, 2014
Message from device manager:
Windows encountered a problem installing the driver software for your device.
Windows found driver software for your device but encountered an error while attempting to install it.
NVIDIA GeForce GT 750M
Message from NVIDIA Installer:
NVIDIA Installer failed.
Graphics Driver 340.52 Failed.
Description:After my pc freezed all of sudden while running emulators (i also had an auto windows update few hours earlier), windows refuse to detect my GPU and NVIDIA installer keep failing...Luckily i have two GPU but i cannot use the NVIDIA one due to this issue.
ASUS Tech Support Little talk with ASUS Support and they asked if i had a critical windows update recently.They asked me to try a system restore, which seem to solve the issue (i could see the GPU card but only for some minutes).Now after that i being asked to format the pc.
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Oct 12, 2013
I'm not truly the best with computers, and this is a new pop up for me. I just purchased this new dell laptop in May and have had no problems with it. However, in the last few weeks I've been getting a new pop up in the right hand corner. My house hold have a wireless router that is password protected. I have McAfee Security Center updated, and shows that all my firewalls and security systems are on and active.
However, this is the message I get and I'm concerned about my networks safety:
"Unknown PC or device detected
This PC or device has connected to your network:
IP Adress xxxxxxx"
I've opened my action center to make sure everything is okay, and the only thing I find that isn't turned on is the "Network Access Protection" - which is something I haven't touched before, nor does it provide a link in which to turn it on.
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Feb 23, 2014
Reluctantly moving from XP to W8. Is there any way of keeping access to old emails held on Outlook Express 6 when moving to W8?
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May 11, 2013
I just reinstalled my PC, obviously with windows 8. And I can't seem to play games, i mostly play COD4 and whenever I join a game, I get an Dirextx error, or my PC just reboots..
I don't know if it has something to do with my LPC INTERFACE controller.
LPC One:
on Intel(R) ICH8/ICH8R Family LPC Interface Controller - 2810
The drivers for this device are not installed. (Code 28)
To find a driver for this device, click Update Driver.
Games one:
directx unrecoverable error
And I used to get 'AMD Driver timed out, and succesfully rebooted" something like that.
This is my setup:
OS: Windows 8
MOBO: FOXXCONN p9657aa-8ks2h
CPU: Intel Core2Quad Q6600
RAM: 2GB ddr2
GPU: Club3D Radeon HD 6970 Coolstream Edition
HDD: dont know really, 300gb
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Jun 19, 2013
I can not found Imaging Device option , due to which my integrated webcam is not working ... I am Using Dell inspiron 5520 , I have tried millions of things ...
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Jan 16, 2014
After I get to the event viewer, where do I go from there?
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Oct 17, 2013
XPS One 2710. I updated to Windows 8.1 via Windows store today. The installation went fine but it couldn't reboot because of "no bootable device". The setup/bios is set up on uefi mode/safetymode on. I've tried to disable safetymode or run in legacy but no luck. I have no bootable device and expected the installation to go just fine. Now what?
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Jan 31, 2013
After several replacements and repairs in my machine, I am wondering if my settings are still correct...
I would like to use my 32GB SSD as a RAID0 (I believe) caching device, to speed up the boot process and frequently used apps.
In the Intel(R) Rapid Storage Technology Option ROM, I created a RAID0-volume of 29,8GB, then went to install OS.
In the BIOS, I had to boot in AHCI-mode, or else I couldn't see the 2TB HDD to install Windows 7 to... (in RAID-mode, it could only detect 29,8GB of Unallocated Space)
However, now I have Windows 8 installed (clean install from 7), and in Disk Management, I see my SSD as a Standard Drive, with MBR and 29,82GB of Unallocated Space.
How do I setup this SSD device to act as it is supposed to act? Do I format it, partition it, make it Active, make it a Dynamic Disk? Or is it not possible since I've installed Windows in BIOS AHCI-mode?
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Jan 10, 2014
I had created a folder in my external hard drive.
The problem is that i am not able to delete or move it.It throws me an error telling "This file is no longer located here.Verify items location and try again."
The properties of the file are like last modified etc are also not shown.It contains some files but shows that it is using 0 bytes.
I want to delete it.
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Jul 22, 2013
I upgraded my Dell XPS10 from Windows RT 8 to Windows RT 8.1 Preview.
It has 2 serious issues:
1) Windows RT is not activated.
2) Device gets stuck at boot logo.
Now I'm trying to use a USB recovery drive to roll my XPS10 back to Windows RT 8. Unfortunately I failed to use the recovery files from Microsoft Surface RT, XPS10 could not boot with those files.
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Apr 3, 2014
My (12-year-old) son's computer won't boot. It's a Dell Inspiron 17" running Windows 8, bought from Costco in July 2013. When I turn it on, Dell logo comes on and then in upper left it says "Checking Media [fail]", then "checking media" again, then "No Boot Device Found. Press any key to reboot the machine". I insert a USB recovery drive (it was made for my Toshiba that runs Windows 8.1, but it should work anyway, right?).
I choose US keyboard layout and it then opens into Recovery Environment. I choose Troubleshoot → Refresh Your PC. Message appears "The drive where Windows is installed is locked. Unlock the drive and try again." I go to Troubleshoot → Startup Repair, which runs and then says "Startup Repair couldn't repair your PC." I then go back to Troubleshoot → Command Prompt and run chkdsk on Windows drive (c). It says "Windows has checked the file system and found no problems." Dell would probably tell me it's a hard drive failure and tell me to buy another one.
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Dec 31, 2013
I have just bought a diskless XPS1645 and have clean-installed Win8.1. All is well, apart from...
1. Device Manager shows two Base System Devices that remain 'undriven' - what the items may be and what drivers are required?
2. The volume and DVD eject buttons don't. (The Wireless button definitely does.)
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Sep 3, 2014
I was using my laptop at home and was trying to connect a USB external hard drive. About one second after I connected the device, I get a pop-up saying the device was not recognized or the device malfunctioned (which isn't the case as the device works on other computers). I tried using a thumb drive, a USB mouse and a headset, only to get the same pop-up. The computer has the Intel 4th Gen i7 4500, and is currently running Windows 8.1 (x64).
When I checked the Universal Serial Bus Controllers using the Device Manager, I see four items:
1. Generic USB Hub
2. Intel(R) 8 Series USB Enhanced Host Controller #1 - 9C26
3. USB Root Hub
4. USB xHCI Compliant Host Controller
The fourth controller has a warning sign beside it, and when I click on the controller, it says "the device cannot find enough free resources that it can use. (Code 12)" When I try to update the driver, or delete then re-install, nothing changes. I've tried downloading the USB 3.0 eXtensible (...) driver which I've read could be the fix, and it says that the machine doesn't meet the system requirements. I feel like I'm missing an "Intel(R) 8 Series" controller seeing as the one I have says "#1", but whenever I scan for new drivers or driver updates, nothing comes up.
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Aug 16, 2012
I am using Inspiron 1545 which has Dell Wireless 365 Bluetooth Module which is of broadcom. When I try to install driver compatibility issue comes up. It doesnt proceed even though i have marked compatibility as windows 7 or vista too.
I have tried using the broadcom tool to detect the device and install the driver but that also fails to detect the module.
And when i use my second OS windows 7 bluetooth works flawlessly. So its only windows 8 not able to detect my hardware. I have also checked in device manager and there also it is not present.
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Oct 28, 2012
I cannot find how to open root folder instead of the libraries folder. It seems the way I did it in Win7 will not work.
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Jul 15, 2014
I have windows 8 with the upgrade. I bought this computer from someone who reinstalled the operating system so he could sell it. The root user name is John Doe. I adjusted settings and tried to rename with my name however the ROOT user is still John Doe. I've heard I can create a new account and "move" all my files to my new account, thus essentially renaming the computer. I've heard all that changes is the "pointer". Exactly, which files I need to move so I can delete the "John Doe" user?
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Jan 26, 2014
I need to download/copy a .bin file to the root directory for each operating system.
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Apr 13, 2013
I have just made a clean install of Windows 8 Pro. Then I installed a couple of apps. I noticed that at the root of Windows 8 drive there are only folders and no files shown such as bootmgr, BOOTNXT, etc.
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Jan 22, 2013
I have had this happen once before, I am running Windows 8 on an OCZ Vertex 4 SSD.The problem is that suddenly all my files inside all the directories and sub directories in my Documents folder have been moved to the root of Documents and have all been named with their original directory location in the filename. To give a clear example: a file originally located in Rockstar GamesL.A. Noiresettings.ini is now in my root Documents folder under the name Rockstar Games_L.A. Noire_settings.ini
All of the folders and sub-folders in my Documents are empty and all of the files are in Documents with those names. They all follow the pattern of having the directory in the filename separated by underscores . I have over 11K files now sitting in my Documents and all my programs that require files in my Documents folder are now broken.
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Nov 4, 2012
Got Win8 Pro Retail genuine installed and have a multi partitioned PC.
I am Administrator, and I have UIC set to its lowest possible setting.
I cannot copy any files to the C: Drive (root)... every time I get an error message and it will not let me do anything with the root.
So, I ran gpedit.msc and did these steps..
1. Run gpedit.msc, navigate and browse to Computer Configuration--Windows Settings--Security Settings--Local Policies--Security Options
2. Set policy User Account Control: Behavior of the elevation prompt for administrators - Elevate without prompting
3. Set policy User Account Control: Detect application installations and prompt for elevation - Disabled
4. Set policy User Account Control: Run all administrators in Admin Approval Mode - Disabled
OK, now perfect - I have full control of the root drive again... But this sparked another major issue with the 'modern apps' (metro)...
All modern/metro apps will now NOT RUN because they want UIC turned on (as in change those settings back I just tweaked).....
As soon as I turn UIC back on.... metro apps work - and I am blocked from my root drive again.
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May 21, 2014
I made a small Emgu apllication in Visual C# Express 2010. It can works fine in Win XP PC's. But doesn't run on Windows 8. I compiled the progam in .net framework 3.5 and in 4.0 and modifiy the Myexecutable.exe.config adding <supportedRuntime version="v2.0.50727"/>.
But program doesn't start, just show a message that the program doesn't work. I tried it in Windows XP compatibility mode but nothing.
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May 16, 2014
Some info on using the GMER.exe program for root scanning?
HP pavilion g6-2225nr
Win 8 X64 6.2.9v IE 10
Norton 360 2014
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Apr 17, 2013
After being forced to switch to Outlook Express, I am no longer able to get to my Contacts. Somewhere, it said that I need to go to my "Settings," but I cannot locate any way to get into it.
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May 1, 2013
I had windows 7 and outlook express on it. The computer crashed. I had to get a whole new computer with windows 8 and just outlook. I have a folder with all my old outlook express emails in it but it is not compatible with outlook and I NEED an email in the old outlook express file. How the heck can I get this? When I try to open the old files it says " must be opened with outlook".
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Feb 20, 2013
I just wanted to know if it was possible to use Intel Mobile 4 Series Express Chipset drivers with Windows 8. I've read that you could use the drivers for Windows 7 in Windows 8, but I haven't really proven that to be true.
I keep getting this error:
but I really don't get why I'm getting that message - it's giving me this message like I'm trying to run the software on a computer from the '90s. It really doesn't make sense to me since just about all other software can run on newer operating systems.
All I want to know is if it's possible to install these drivers on my computer, and if not, if there's a patch or a substitute.
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Jul 16, 2012
I have been trying to find our when intel will release drivers for the Mobile Intel(R) 4 Series Express Chipset Family on windows 8. I can not play many games without them.
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Feb 4, 2013
an error message in Device Manager when installing the network attached storage drives like MyBook Live, the drives themselves seem to work fine and i have access to them (most of the time) on my home netwok, however i keep getting that little yellow triangle telling me that something is wrong, specifically:
the device manager error code is This device cannot start. (Code 10)
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