Windows 8 - Required Device Not Connected Or Cannot Be Accessed
Jun 2, 2014
Windows 8 has been acting up recently, every now and again my computer will blue screen and restart with the message
error-code-0xc000000f-windows-8-a-required-device-isnt-connected-or-cant-be-accessed
So far I have noticed that if you leave the computer off for a while or change the hard drive to a different sata port it will work fine for a while then do the same thing.
Also I have done a full clean install with windows 8 and the same issue has occured a couple of days later.
I have a feeling its the hard drive going bad but how can i be sure? Some hard drive utilities have reported "end to end error - fail" but others have said there is no issues.
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Aug 17, 2014
I am running Windows 8 on an Asus laptop. Two days ago it was doing updates and restarting. It did this 3 times, and on the third restart I received the blue error screen. It stated
"Recovery. Your pc needs to be repaired. A required device isn't connected or can't be accessed. Error code: 0xc0000225
You'll need to use the recovery tools on your installation media. If you don't have any installation media [like a disc or usb device] contact your system administrator or Pc manufacturer."
It gives me three options at the bottom [press enter to try again, press f8 for startup settings, press esc for uefi firmware settings]. If I press enter I get the same screen just with a bit more text. f8 does nothing. Uefi takes me to the boot menu. I have been trying to boot from a dvd r with a flash operating system in order to recover my data before it is reformatted. However, it does not seem to recognize the disc. When I select to boot from dvd rom, it tries, then on the black screen appears text saying restart and select boot device or install boot media and press a key. I tried taking disc out and putting bavk in, then pressing a key, nothing, same message.
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Sep 15, 2014
I'm having an issue with a pc I am fixing. I reflowed the gpu and removed some viruses but now every time I restart the pc I get this message which I can fix with the installation media. But every time i fix it, once I turn the computer off again after using it normally for whatever amount of time, when I turn it on again, i get the blue screen again. What's causing it to happen every time?
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Jan 27, 2014
I have a windows 8 laptop and a linux desktop, both connected to the same screen using hdmi - since my screen has only 1 HDMI input, I use an HDMI splitter.
Every time I move from the linux to the windows 8 laptop (using a HDMI mini remote control), I get a message from windows saying that in order to apply these changes I need to reboot.
Note that I also use the same wireless keyboard and mouse for both computers - each time I change from one computer to the other, I unplug the USB that controls them and plug it in the computer I will use.
I think that the problem is related to the HDMI, not the keyboard/mouse usb - but I am not sure.
Needless to say that it is very annoying and I cant keep restarting the LT each time I move from one to the other.
I checked event viewer to see what causes this and these are the relevant messages:
1 - Device 'USBVID_045E&PID_0745&MI_017&1a5cec9a&0&0001' requires installation.
Microsoft-Windows-Kernel-PnPConfig/Configuration
Kernel-PnPConfig
Event id: 3
2 - A reboot is required to complete device installation of device 'USBVID_045E&PID_0745&MI_017&1a5cec9a&0&0001'
Microsoft-Windows-UserPnp/DeviceInstall
UserPnp
Event id: 8000
how I can fix this, make it stop requesting reboots?
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Sep 15, 2011
I am trying to install the new develp build of Windows 8 (x86) on my asus eeepc 1005pe. This is a netbook which doesnt even have a cd/dvd drive.
So anyway, I extracted the iso on a bootable usb flash drive. I boot, and when I click install it just hangs for about 10 minutes and then it gives me this error:
I tried setting the bios from AHCI to IDE. This does not work, I even get a bluescreen of death when I boot up in the current win7 sp1 install. But anyway on google I read a lot about this problem and one of the solutions is to put it on AHCI.. but not for me as it was already on AHCI. Anyway IDE is not workin either.
Just recently I installed win7sp1 on this netbook without a problem. I checked the sha1 hashes of the Windows 8 ISO and they are confirmed, so that is not the problem either.
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Sep 15, 2014
When I connect my DualShock 3 controller to my Windows 8.1 laptop it does not charge. I hear a beep, as in something was connected to the PC, then it seems to charge for a couple of seconds (lights flash on the controller) and then it stops. I am able to charge my phone and tablet so, it's just the DS3. It works fine on my Windows 7 computer, so it's not the controller.
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Jan 29, 2014
I have to galaxy s2 one of of the can't connect to the pc and the other one can. The one which dosn't connect a messege pops up ( the last device you connected to this computer malfunctioned and windows dosen't recognize it.
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Jun 21, 2014
When connecting my PC to my TV through HDMI cable sometimes the playback device does not recognise my TV. While the picture on my TV is great I don't get sound. Sometimes it works.
I am not sure if this has to do with the cable ( its a good HDMI cable though) or with the graphics card or with the TV.
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Sep 13, 2013
I upgraded my Windows 7 to Windows 8 pro back in November. Windows explorer has always had issues but now I cant open windows explorer (any way) without it crashing and reload. In SAFE MODE it seems to work fine. I have tried disabling all the Services (non MS) and the Startup function but in normal mode but Windows Explorer still crashes.
I'm definitely not the only one experiencing this issue. A quick search online shows other people reporting their Windows 8 explorer frequently crashes. Is there a solution or something I should try to see if it can resolve the issue?
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Oct 31, 2013
Ever since the feature 'about:tabs' has existed in IE, I have been using it as my home page. 90% of the time, if I open IE, I will want to launch one of the ten most often accessed pages.
Since installing Windows 8.1 and IE11 which came with it, 'about:tabs' is not working consistently, most of the boxes remain empty, and those that previously were filled become empty. What changed?
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Jul 2, 2013
When I click on a link needing Adobe Flash from within a Metro app, I get a message that I need to install adobe flash. However if I access the same content from within the desktop's IE, it will play.
I have the feeling I'm missing just a switch or something.
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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 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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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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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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May 3, 2014
Somehow, a mysterious requirement for a password crops up near the finish line of my abortive attempt to use task scheduler (windows 8.1). I never created one, and cant come up with one that works. Without the PW, task scheduler is useless.
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Mar 17, 2014
I have an i7 ASUS Ultrabook (HDD is 2xssd in raid0, UEFI, GPT partitions.) which is great but have an issue where wifi profiles don't retain and i'm not too concerned about retaining the data on the ultrabook so after attempting to fix the wifi profiles not saving (Have been through the driver scenario, folder permissions, sfc, etc and no joy) i'm just going to do a clean install from the recovery partition.
I started by trying the recovery methods 8 has built in, refresh the files, but fails without an error and makes no changes. Attempted to do a full restore via 8 recovery also but fails with no error also and then I realized I was actually missing the OEM options (F9 during boot doesn't allow for EMS boot to begin recovery from recovery partition like expected, just boots into normal recovery).
After installing windows 8.1 it no longer allows me to do an OEM recovery via Windows 8.1's built in recovery methods so I created a recovery USB from the recovery partition using the windows 8 tool since the AI Recovery Burner doesn't recognize the partition, the USB recovery creation did recognize the partition and allow me to create the USB recovery drive from this successfully.
When running the USB recovery, the recovery fails with "Required drive partition is missing"
I think this is because the recovery partition is actually a windows 8 partition, not 8.1, and will not work.
Seems like a lot of effort but I want to retain the OEM key and software set (because it's surprisingly not a piece of trash) so was thinking if I install windows 8 (I have an ISO and another key) over the existing 8.1 partition it may actually allow me to then do the normal recovery.
Since the recovery drive did not work I decided to clone the recovery partition and have the WIM file now, although since cloning the partition when running recovery I no longer have the option to create a recovery drive using the recovery partition, the partitions no longer show as recovery partitions in disk management but instead as OEM partitions (Not sure why this changed.)
The recovery xml configuration for REAGENTC does have the correct GUID's and offsets for the partitions although when running this in elevated cmd it results in error 3 unable to run.
Am I able to create a base recovery drive from another windows 8.1 pc and use the WIM file?
Any way to tell what partition table my created recovery drive is expecting so I can adjust the current partitions to match and perform the recovery? When I try to refresh the files from this recovery I get the error "Windows system is locked" which is why I went for the full recovery.
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Nov 4, 2013
Message: "MMC could not create the required snap-in".
There are no headings in the console, it is blank, while all the requisite services are running ....
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Aug 27, 2012
I just downloaded windows 8 prof from my msdn, and I made a bootable usb stick with WintoFlash and now when I am trying to install I get this message: Windows cannot open the required file D:/Sources/install.wim. The file may be corrupt or missing. Make sure all files required for installation are available, Error code: 0x80070570. I have looked into the usb stick but install.wim is just there. And I did a disk chek in wintoflash and it found this:
Found problems with source files.
Can't find file D:sourcesoot.wim
Can't find file D:sourcesidwbinfo.txt
Can't find file D:ootmgr
Can't find folder D:oot
Can't find file D:sourcesinstall.wim or file D:sourcesinstall.swm
Total errors: 5
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Jun 11, 2013
When I start my computer (which is running win 8), yahoo messenger won't sign in, and certain websites won't load for me for about 10-15 minutes. So it's just for certain websites, and the yahoo messenger client. Skype and 90% of the websites load with no problems whatsoever. And it only happens after i turn on my machine, or after a restart.
The problem persists no matter what browsers i use. When i ping those websites, I get replies from them, everything looks just fine, but they just won't load. After 10-15 minutes, they just fire up, all at once and i get no problems whatsoever. It's not a problem with the internet connection, as I got another windows running machine, an iPad, and my gf's Mac, and none of them are experiencing this issue. Plus, it also happens when i'm using any other network from a different location.
I have flushed my dns, and have run antivirus solutions like dr. web, combofix and malwarebyes anti-malware, and still no joy. My windows updates are up to date.. Do you need any other info for a diagnostic?
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Apr 14, 2013
I have an Asus UX31A with WIndows 8 Enterprise VL. Every time I wake the system from sleep, I hear the system chime as if a device is attached, unattached, and re-attached. I don't know what as it happens at the login screen and I'm not fast enough to see if anything appears in the taskbar.
After logging in, I get this window (see below; I had to remove a couple things I don't know if I can show). If I follow its directions, I restart and go about life until I put the system to sleep again in which the process repeats. As I write this I'm finishing a bunch of updates so perhaps that has something to do with it (I have a lot of Office and SP1 for SQL Server that I've been putting off along with a healthy swath of optional OS updates).
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Dec 27, 2012
I bought a new SSD and want to do a clean install on it, however am having problems during the install process and receive the following message:
Windows 8 cannot install required files. Make sure all files required for installation are available, and restart the installation. Error code: 0x8007025d
The install images was downloaded from the Microsoft website and I have tried using a USB thumb drive and DVD install disc and both receive the same error. I have used the DVD disc when I originally installed Windows 8 Pro on the same desktop but on an IDE harddrive and believe the disc should still work (i.e. no scratches on it).
Here's how I prepared to install:
1. Unplugged all harddrives except for brand new SSD (Crucial M4 128 GB SSD)
2. Changed bios settings to AHCI (before was on IDE) (using Asus P5k-V motherboard)
I'm not sure what's going on if the harddrive is corrupt, the bios settings need to be tweaked, the drive is incompatible with my motherboard or something else.
I don't want to go back to using the IDE drive to boot windows but rather use the new SSD.
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Apr 8, 2014
My Toshiba Satellite Laptop has Windows 8. For some reason windows 8 wont load. It gets to the screen where you select which username you want. But from there its non responsive, I cant get into Windows, I cant restart to load it up in safe mode.
I got a Windows 8 disk which I had to change the bios to load it up. The cd loads but it says the automatic repair wont repair the laptop. I try to refresh windows 8 but I get a message saying the drive where windows is installed is locked. unlock the drive and try again. It also wont let me use system restore.
I try to use the reset pc option but I get a message saying unable to reset your pc, a required drive partition is missing.
At the start it gives me the option to install windows 8, I don't know whether to just do that? Is it ok to do with windows 8 already installed?
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May 12, 2014
One of our software providers has instructed us to make some changes to our Win 8 PC's registry to get the software to work properly. They have sent me details of what changes are required:
Open Windows Registry Editor (Regedit)
Right click HKEY_CLASSES_ROOT - click PERMISSIONS - click ADVANCED
Click/Check: REPLACE ALL CHILD OBJECT PERMISSION ENTRIES WITH INHERITABLE PERMISSION ENTRIES FROM THIS OBJECT
Double click the entries: USERS, CREATOR and ALL APPLICATION PACKAGES
For each entry:
TYPE: Select Allow Applies to: Select This key and subkeys
Click/Check: Full control and Read
Click OK on Entry detail screen
Click OK on Entries list screen
I know very little about Windows Registry other than not to touch it. These changes seem quite extreme.
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Apr 13, 2014
I recently purchased an Asus X551 laptop with Windows 8 but straight the way uninstalled Windows 8 and installed Ubuntu (after creating a Windows 8 recovery drive just in case). I have since decided that I want Windows 8 back as I have found that I cannot use a lot of software on Linux. The laptop did not come with any form of recovery disk or installation disk, the only reminent of Windows 8 I have is the recovery USB that I created from within the OS.
When I plug in the USB and boot from it it brings up the recovery menu with options to reset the PC but when I click it it says something like - "Unable to reset PC. A required partition is missing".
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Jun 1, 2014
I have an ASUS VivoBook X200CA that is running a Windows 8.1 Upgrade. For about 5 months, this laptop has been running perfectly without any problems and I have managed to reset the computer many times due to certain errors and problems that have arisen from software and hardware compatibility.
Recently, I went to reset my laptop, it restarted and then it took me to the WinRE screen. I went into Troubleshooting > Advanced Options and I clicked on the Reset option. It then took me through each of the various warnings and making sure that my data was backed up and then, once I had clicked on the "Reset" button, it hung for a bit and then said "Reset has failed - Required Partition is Missing".
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Aug 6, 2014
I have an HP Envy 20 Touchsmart all-in-one PC, model 20-d113w. It was purchased 1 year ago. My problem started a few weeks ago. This computer is connected directly to the internet by Ethernet cable. I have a wireless router which I just replaced because the computer place I went to said the router was my issue. Upon replacing my router, I am still having the same problem. All wireless devices and the internet work fine, it is the desktop and I feel an HP issue. I can go online fine but once I'm off for more than 20 minutes, the only way the computer will reconnect to the internet is by restarting. I have Norton as my anti virus software.
I did run the troubleshooting in the internet menu. It either says there is no problem or it says The Diagnostics Policy Service is not running. This does not come up every time, just once in a while.
System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8, 64 bit
Processor: Intel(R) Pentium(R) CPU G2020T @ 2.50GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 2
RAM: 3787 Mb
Graphics Card: Intel(R) HD Graphics, 1893 Mb
Hard Drives: C: Total - 935298 MB, Free - 840209 MB; D: Total - 17057 MB, Free - 2124 MB;
Motherboard: Hewlett-Packard, 2AE5
Antivirus: Windows Defender, Disabled
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Mar 12, 2014
I've got a windows 8 laptop which gives me this error message when i try to switch it on:
"Your PC needs to be repaired The boot configuration data file is missing some required information.
File:BCD Error Code : 0xc000000d ............................" I'm sure you are all familiar with the rest of this dreaded error code.
I've tried all the repair options, recovery disks to a windows 8 bootable flash disk, the command prompt fix boot commands as well but still I get the same error message whenever i try to boot windows.
Now I'd like to know, can't i just copy the boot folders from another similar windows 8 pc and paste them into my harddrive to fix this?
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Dec 29, 2013
I built my own PC last year and I've done several OS upgrades in that time frame. First I started with windows 7 basic which I then promptly upgraded to 7 ultimate because my university offered upgrades for $7. I then upgraded to 8 when it first came out and then 8.1 too. I put a new SSD in my PC and copied all my 8.1 data on to it I then turned the old SSD in to a second boot drive for OS X. I'm having problems with 8.1. I wanted to create a repair drive to hopefully root out and fix whatever is causing windows explorer to crash. It's not a virus I've made sure of that. I have a feeling whatever caused this happened when I upgraded to 8.1 and then copied over the SSD. What my product key is for 8.1 pro i just found the email microsoft sent me with my windows 8 key but i have no disc.
when i followed the instructions to make a recovery drive it told me that some of the required files are missing and to use a windows installation disc or media which is a problem because all my windows 8 upgrades have been done online.
also my PC currently doesn't have a disc drive i removed it because i only ever used it to install windows 7 basic.
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May 11, 2014
when going into the Microsoft store and clicking on the win8.1 --> download im getting this message:
"you need to use an account with administrator privileges to install windows 8.1"..
I tried to log on as an administrator but it wouldn't let me go in to the Microsoft store..
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Jul 19, 2014
I was using Ubuntu 14.04 on my laptop before. Now I want to install Windows 8. I have laptop's rescue CD. I get the following error when I tried to install Windows 8 on UEFI using the rescue CD:
"Unable to reset your pc a required partition is missing".
I think I have a problem about partitions type because Ubuntu uses ext4.
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