Setup Installation :: Reinstalling Windows 8 From USB - Unable To Reset PC / Required Partition Missing
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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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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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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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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Sep 15, 2014
I bought an Asus Vivobook S551LB. Paying around 1150 for it, the specs seemed good and I thought it'd be a fairly quick laptop.
Turns out... It's really slow, and freezes a lot.
It was preinstalled with Windows 8, then I updated to 8.1. I'm fairly new to anything past Windows 7 so, 8 I'm completely lost.
I deleted all the bloatware that came with the laptop but it still freezes, so my last resort is to reinstall windows.
I can't because I updated to Windows 8.1 and when I try to reset it says I'm missing a partition.
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Oct 21, 2013
My son's laptop (Windows 8) failed, and despite F9 options to reset or refresh, and CHKDSK was unable to recover the system due to bad disk sectors. I bought a new disk , but as I had made no recovery media, and the OEM doesn't supply any, I have no way of reinstalling Windows 8.
However I did mange to install Ubuntu Linux on the new disk and the Laptop is now working fine. Out of curiosity I connected the old bad disk via a USB enclosure, and lo and behold Disk utility was able to read the OEM Recovery and Restore partitions. I have made several copies of these on a Win 7 laptop, USB and LInux partitions, and all look good (as far as i can tell).
My issue is that as the OEM recovery partitions seem fine, I reckon they should be installable onto the new disk, but I am at a loss as to how I can use this data to reinstall Win 8 onto my laptop. Most of the advice I can see assumes a working copy of WIn 8 or having a retail Win 8 ISO, which of course I do not have. Remember , unlike Win 7, WIn 8 has no product key identifiable as it is contained in the BIOS somewhere, but I reckon it should recognise the OEM's recovery partition if I only could manage to load it.
I now have a sketchy knowledge of lots of new terms (mounting , partitioning, MBRs, boot sequences etc ) so exactly what to do. [ The tutorial on this form requires a retail win 8 ISO]. I did find a Linux method involcing DD, DDRESCUE , PARTPROBE etc ) which I have tried but all to no avail - I am sure I was close though! ]
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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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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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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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May 14, 2014
I have an Asus gaming laptop that I got off of Craigslist awhile back. It did not come with any factory disks. I'm trying to do a factory reset and it says "Some files are missing. Your Windows installation or recovery media will provide these files." But I don't have any recovery media.
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Mar 7, 2013
I swapped the HDD with a new blank SSD in T530 and booted it with the recovery USB of windows 8. System boots from the USB and gives refresh, reset, and other options. However, when I select reset ( to fresh isntall the OS on the SSD), it fails saying a required partition is missing. What! I'm using a blank SSD, shouldn't the installer present me with options to format and use the drive rather than erring out?
Is there any better way of installing the windows 8 os on a new blank SSD using the recovery USB?
I do have gParted live USB. If nothing works, I will partition the SSD using gParted and try the Windows 8 recovery USB again.
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Sep 15, 2014
I have recently attempted to reset my laptop to factory and i get this issue
Computer specs:
Asus VivoBook S550CM 8gb Ram
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Mar 24, 2013
I am trying to run a reset in Windows 8. However, after rebooting into WinRE, it says that it can't reset because I am missing a required partition.
I searched for a solution to this problem. But, it looks like most people who see this error have accidentally deleted some Windows partitions. In my case, I have not altered the Windows partitions since original install.
I read another comment that suggested that it's due to the hd driver being missing and that I would have to "inject" the correct driver into winre. But, I'm not sure how to do that (or if that is really the fix).
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Jun 21, 2014
Have decided to take the plunge to reset my computer (because Windows Store would not open). Booted from the installation disk but cannot Reset or Refresh, I get "The drive where Windows is installed is locked. Unlock the drive and try again."
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Nov 30, 2013
While I was messing around with my laptop, I decided to add on a fourth operating system, Arch Linux. I suppose I was pushing my luck a bit . Anyways, during the installation, I accidentally deleted the EFI system partition from my laptop, which contained the Windows Boot Manager and necessary files to boot. Great. I only made things worse by trying to troubleshoot, and broke grub as well.
I have a Windows 8 repair disk I made using the Windows 8 built in utility, but it does not boot: the computer turns on, and just hangs at the Toshiba splash screen.
I also can obviously not access the Toshiba recovery partitions, as they are booted into just like Windows itself.
I found a bootx64.efi file on one of my system's recovery partitions (Toshiba seems to have some really complex system going on) and placed it in EFIootootx64.efi. According to this site, FGA: The EFI boot process., I need to place the bkpbootmgfw.efi (on my system, that was what it was called, but I suspect boot-repair (ubuntu tool) messed something up when I was first setting up grub and the ESP and the bkp stands for backup) back onto the EFI System Partition.
Where to look for in the various Windows Imaging Format .wim and .swm files I have laying around my recovery partition(s) in order to extract the necessary EFI files. Any Windows Repair iso that works.
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Jun 7, 2014
My PC fails to boot into Windows and launches Automatic Repair to attempt to repair Windows. When i try to refresh or reset alway get msg " there is a problem resetting your pc, no changes are made" My PC is preinstalled so no I don't have recovery CD/DVD Here pics
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Aug 4, 2013
You have Windows 8 or Windows 8 Pro installed on your PC. Your PC fails to boot into Windows and launches Automatic Repair to attempt to repair Windows.
Automatic Repair is unable to repair your PC and you select "Advanced options". After selecting "Troubleshoot", you choose to either "Refresh your PC" or "Reset your PC".
In this scenario, recovery may fail and you are returned back to the main WinRE screen. This issue may occur if the System or Software registry hives have become damaged or corrupted.
To attempt to resolve this issue, follow the steps below. Following these steps should only be used if you are attempting to use the "Refresh your PC" or "Reset your PC" options in Windows RE because your system is in a non-bootable state.
-After Automatic Repair fails to repair your PC, select "Advanced options" and then "Troubleshoot".
-Select "Advanced options" and then select "Command Prompt".
-If prompted, enter in the password for the user name.
-At the Command Prompt, go to the windowssystem32config folder by typing the following command: cd %windir%system32config.
-Rename the System and Software registry hives to System.001 and Software.001 by using the following commands:
ren system system.001
ren software software.001
I did all that but when I tried to rename the Software.001 file the system responds: "The process cannot access the file because it is being used by another process" ...
I tried to create a Ubuntu start up usb key so that i could maybe get in and rename the file but that presented more problems.
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Oct 17, 2013
Because it does not contain enough free space. Clearly I have enough free space... [URL] ....
What should I do? I want to do a dual boot, so I can keep Windows 7 in case I don't like 8.1...
I formatted and deleted that partition and I tried again with 201gb, and no luck. [URL] ....
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Aug 25, 2014
I accidentally deleted the EFI partition, required to boot into my Win 8.1 installation - unbeknownst to me that EFI partition was on a different disk to where my Windows is located. To complicate matters the Windows install is on a RAID0 array.
Windows repair using the original install media didn't work.
EasyRE didn't detect the RAID0 drive.I saw various instructions on how to reconstruct the EFI partition, but they all assumed that the EFI partition is still there, which in my case it isn't.how I can get my data off that drive and re-install Windows?
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May 18, 2014
After a upgrade from Windows 8 to Windows 8.1, I seem to have lost my ability to use the recovery partition. Every time I go and use it I get an error message Unable to reset your PC. A required drive partition is missing.
I have contacted ASUS for recovery DVD's however I was told to go to a authorized repairer to have it fixed for a fee. My last laptop was able to burn recovery DVD's but not this one.
I understand that Windows 8.1 creates a new recovery partition for itself however I did read on this forum it is possible to get it back to default settings.
Windows Recovery Environment (Windows RE) and system reset configuration
Information:
Windows RE status: Enabled
Windows RE location: ?GLOBALROOTdeviceharddisk0partition2RecoveryWindowsRE
Boot Configuration Data (BCD) identifier: ba08d678-3e5b-11e2-b26a-a34ba04e3737
Recovery image location: ?GLOBALROOTdeviceharddisk0partition5RecoveryImage
Recovery image index: 2
Custom image location:
Custom image index: 0
Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 1 System 300 MB 1024 KB
Partition 2 Recovery 900 MB 301 MB
Partition 3 Primary 372 GB 1201 MB
Partition 4 Recovery 350 MB 373 GB
Partition 5 Recovery 20 GB 373 GB
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Jan 17, 2014
Alright, so my ASUS laptop has been getting a little slow lately, so I decided to reinstall. Now I know my PC has an ASUS recovery partition, which reinstall the pc with all the tools, drivers etc, since I've used it before. But now when I restart the computer and press F9 and reset, it doesn't work. This is what I do:
This is where it was supposed to give me the option to restore whole drive or just install windows to the primary partition. But now it asks for a CD, which I don't have. This PC never used to have a recovery CD, just a recovery partition.
Then, I read somewhere I could do the same from inside Windows 8, so I tried that as well by going to the charms bar, then Settings and then "Change PC settings". Then I selected "Update and recovery" from the left, and then went to Recovery, where I pressed the button to remove everything and reinstall windows. This is what I got:
So, I tried to see if EaseUs Partition manager showed the recovery partition. I started ASUS and these are the partitions it found:
I saw it found both a "Recovery" partition and a "Restore" partition. Now I assume the Recovery partition is the one Windows 8 boots into, and the Restore partition is the one created by ASUS. So, these are the contents of the Recovery partition:
And these are the contents of the Restore partition:
As you can see outlined in red, it does contain an install.wim file, so I know the recovery data is there. However the Windows 8 recovery environment just isn't able to find it.
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Apr 20, 2014
I have a new Asus X102BA it has modest performance so as I have a spare OCZ 120GB ssd I thought I would see if it could be improved. I have tried to install win 8 Pro using a powered DVD drive but I get the message in my title. The primary partition is shown on screen and I have nothing but the DVD drive plugged into the computer...
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Jun 17, 2014
I have an Asus S200E and I had been messing with linux and trying to install it alongside windows 8.1 with no joy.After a while I gave up but i've had a few issues with my laptop and wanted to either refresh or reset it.
When I try to refresh I get a message saying that the drive is locked and when I try to reset I am told the recovery partition is missing. I guess I must have done something when attempting to install linux that has caused this problem however when I open up the partition manager the recovery partitions are all still there.
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Mar 11, 2014
So the hard drive on my computer failed. I do not have the product key for this computer and can not get it of the failing hard drive because it does not power up at all. But the computer does have the built in product key in the bios. Is there a way that I can re install windows 8 on this computer and activate with the bios key with out getting the recovery media from the manufacture.
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Nov 5, 2013
Windows 8. I am fairly well versed in Windows 7 matters, but it seems with Windows 8 things have changed.
I need to find out how to install Windows 8 on a new HDD in a device that has a failed disk. I have no repair disk or ISO, and no product code.
A little background: I have a friend's Packard Bell Easynote TE11HC laptop (Win 8 x64, not the pro version) that won't boot. Typically it is about 2 months out of warranty! Having run a few tools I have established that the HDD is corrupted in a major way. Chkdsk ran for 24 hours before I cancelled it at 5% through. It reported many, many corrupted or unreadable sectors, so I felt there may be little value in fixing that disk, even if chkdsk ever managed to complete.
The disk is a Toshiba MQ01ABF050 500GB, Tosh's own diagnostic tool report a failed disk.
I have mounted the old disk in an external caddy and connected by USB, and it is recognised, I can even browse the folder structure. Maybe it's just the boot sectors that are bad.
Anyway, now that repair disks from OEMs are a thing of the past, I am wondering how to go about installing the OS on a new HDD. There are no longer labels with product codes on, so how do I go about getting the necessary info to reinstall?
I have read how to download a Windows 8 ISO, but without another machine with the same OS how do I get anywhere? And without a product code, how will I activate it after installation?
The laptop also had MS Office 2013 installed, so if I can find a license key for that it would be handy. I am hoping such info can be retrieved as the disk is still browsable.
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Jan 12, 2014
I recently bought a laptop with Windows 8 and have erased the hard drive while trying to install another OS (not a good move, I know). This caused problems and now I'd like to re-install windows 8, except I have no way of doing this without knowing my product key, which I cannot access through my computer now. Is there a way to re-install windows 8 without having to purchase it again?
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Sep 29, 2013
When Win 8.1 Preview was first released it installed without issue in a second partition on my Win 7 Pro Lenovo Edge E335 and created a standard dual boot setup. A week ago something or other started causing chaos in Win 7 though 8.1 still ran normally, but as 7 is my day-to-day system I needed to get it working normally again. Three different Acronis images restored OK but then each developed the same problems, so probably a rootkit was behind it all. Unable to overcome these problems I restored to factory condition, reinstalled my software and life returned to normal.
I then set about repartitioning to install Win 8.1 Preview again but hit a first problem when the same DVD and key I had used previously failed as the key was not accepted. Undaunted I tried again with a new key I found on the internet and this key did work. However the install then failed with the message that Win 8.1 can not be installed to an MBR disk, only to a GPT disk. Now this is the same disk that installed to the same MBR HDD previously, only the key being different.
Is the only solution to this to convert the entire disk to GPT and reinstall both 7 and 8.1 again? If so, that's a bit of a problem as my Win 7 was preinstalled to an MBR disk and I'm certainly not buying it again.
The Win 8 Pro/Win 7 Ult on the left relates to a different box.
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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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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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Jul 17, 2013
I built myself a new system and I am now on my third clean install of Windows 9 Pro. The first installation was nixed due to faulty programs and the second by faulty hardware. This installation seems to be fine, at least my event log is not showing any significant errors. I really don't won't to do another clean install so the question I have is:
Can I install Windows with UEFI without reinstalling on a new hard drive formatted as GPT?
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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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