Boot Selection Failed Because A Required Device Is Inaccessible?
Jul 30, 2010
I tried to bring my computer out of hibernation and was confronted with:Windows failed to start. A Recent hardware or software change might be the cause. To fix the problem:
1. Insert your windows installation disc and restart your computer.
2. Choose your langugae settings, and then click next
3. Click "repair your computer."
Status: 0xc0000000e
Info: The boot selection failed because a required device is inaccessibleRecently I shrank one of the partition on the data drive in order to enlarge the other partition on the data drive. The enlarged data drive contains the folders of some installed games but the system disk is separate and was not altered in this way. I'm pretty sure that I hibernated and recovered from hibernation at least once since that change was made.Could it be that the OCZ drive has developed a fault? Or would it then be unable to even display this message?When I attempt to repair the installation using the Windows 7 disc, the operating system isn't listed. I don't think that there are any drivers for me to load - I think it's supposed to be automatic (the driver must be a part of Windows own included set).
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Oct 14, 2010
right, i've noticed another thread with the similar problem, here, and apparently it's fixed, but as i'm running my system on a laptop, i'm wondering what i can do to recover my system without any data loss. error message's more or less the same, "Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1. insert your windows installation disc and restart your computer.
2. choose your language settings, and then click next.
3. click repair your computer
if you do not have this disc.........etcetc
status: 0xc000000e
info: the boot selection failed because a required device is inaccessible."
i'm running an msi cx420 that's 6 months old, windows 7 32 bit. this problem only surfaced after i defragged my laptop and updated MSE and restarted. to be clear, my laptop isn't of much importance but my data is what i'm worried about. edit: also, i've tried to burn the windows 7 system repair disc on a USB as follows, but with no luck. i'm running windows xp on this computer and if anyone could also help me on this i'd be much obliged.
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Aug 6, 2012
Boot > advanced options > maximum memory > i checked and changed it to 4GB
After restarting my pc, I reentered to maximum memory and it was 0. I restarted my pc again and it is not working anymore .
Status: 0xc000000e
The boot selection failed because a required device is inaccessible.
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Sep 14, 2012
I have an Intel i5, Windows 7 Ultimate, and an SSD as my main drive and 2 SATA HDDs.One day, I got a BSOD appeared and my PC restarted restarted. After that, the following error appeared: Window failed to start. A recent hardware or software change might be the cause. To fix the problem:
1.Insert ....
2. .... ... status: 0xc000000e info: The boot selection failed because a required device is inaccessible
Also I noticed that BIOS only detected one of HDDs, not SSD neither other HDD.Sometimes, Windows can be started, but it doesn't work very well.When trying to copy data from F: to an external USB, it copies for a short time and then Windows 7 becomes unresponsive. This also happens in safe mode.After several reboots, now Windows will not boot and I get the error "The boot selection failed because a required device is inaccessible." And the BIOS only detects the SSD.
UPDATE: my disks:
HDDs
WDC WD10EARS-22Y5B1
Seagate ST31000528AS
SSD
FM-25S2S-120GBP2 - G.SKILL
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Apr 5, 2011
I was on my tour to Cyprus and last night I came back I saw my PC uptime was 22days.I asked my brother wht's going on , he told me if you'll shut down pc, i'll not get it stared. Due to some reasons I restarted my pc and now its giving me this error"the boot selection failed because a required device is inaccessible". I've 2 drives 500GB + 1000GB, windows is on 500GB drive which I check through BiOS & shows SATA Port 0 = (0.0GB), SATA Port 1 WDC WD10EARS-0 (1000.2GB).
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Jan 10, 2012
after messing around in disk management i rebooted and got this message:0xc000000f -- The boot selection failed because a required device is inaccessible. i think i might have messed up the primary partition. i have no recovery media..
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Jun 28, 2012
I went into bios and changed the boot sequence to boot from CD. The keyboard works fine when in bios but when it says press any key to boot from CD the keyboard doesn't seem to function. After that it takes me to this message.
Status: 0xc0000225
Info: The boot selection failed because a required device is inaccessible
I can't log onto windows because the hdd been formatted already. Is there anyway to fix this issue and anyone know how am very grateful for your support.
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Jan 30, 2012
I've been getting a BSOD what seemed like once a week for the past 6 months on my laptop, which now won't even boot into windows. The first hdd was the first to go about a year ago as it is rarely even recognized anymore, so I just moved ship to the 2nd hdd which now seems to have followed suit. Before I go out and buy a new HDD a want to confirm that it is indeed the hdd and not memory, or just corrupt drivers or something simple to fix.What's wierd is that when I try to do the recovery disk option or even boot from the original win 7 cd to do a fresh install, I get no where because its so god awful slow now. I literally had to leave it sit to load into the repair disk option menu for a good 3 hours. I can't even start a fresh install of win 7 because of how slow everything is.I also can't press F8 to get into the boot selection menu to select safe mode, or last known good config etc...I updated the bios which made no difference. I opened up the laptop and disconnected and reconnected the one hdd that was easiest to get to(the other is a bitch) and nothing. I also did a scandisk on the only hdd that gets recognized and in the options it said it had a partition size of 0, but had 2 million sectors to scan which it found 0 bad sectors in.Also when it boots up now its not even half as loud as it used to be yet all the fans seem to be spinning.Why would a couple of dead hdds prevent me from booting from a disk or usb to try a fresh install?
Here are the specs.17"WUXGA/GT,w/MULTI DRIVE VISTA ULTIMATE 64 bit WINDOW 7 ULT UPGRADE COUPON Core i7 920 (2.66 GHz) 8M 6GB DDR3 1066 (3 DIMMS) nV GeForce Go GTX 280M w/1GB INTEL WI-FI LINK 5300AGN NP9280 BLUETOOTH CARD 2x 2.5" Seagate SATA 500GB (7200rpm) HDDs RAID-OFF RAID-OFF EXT. USB ATSC HDTV TUNER W/REMOTE EXPRESS CARD SLOT MCE REMOTE NP9262 SMART LI-ION BATTERY
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Apr 5, 2012
I have a pc that has been running windows 7 pro fine for a couple of years. Today it wont boot stopping with the message: "Windows failed to start.A recent hardware or software change might be the cause."
To fix the problem:
1.Insert windows installation disc and restart your computer
2.Choose your language settings and then click "next"
3.Click "repair your computer".
If you do not have this disc contact your system administrator or computer manufacturer for assistance.
Status: 0xc000000e
Info: The boot selection failed because a required device is inaccessible.
This machine has only one dvd drive and one hdd. I have checked the boot list in the bios settings and the cd drive is first then the hdd second. If I insert the windows 7 cd and press any key to boot from cd when prompted I still end up at the "windows failed to start " screen. At this point I have the option to select "Launch startup repair" or "start windows normally" but I cant select them, the machine just counts down and continues to try to launch startup repair and fails with the 0xc000000e error.
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Jan 8, 2011
I am not able to run recovery on by laptop. When I try to run recovery from hard drive or even booting system from DVD ROM using recovery discs I get the following error:
Status: 0xc0000225
Info: The boot selection failed because a required device is inaccessible.
My system is HP pavilion dv6 2150us. My hard drive is dynamic (someone told me that this error is because of dynamic hard drive). Will I have to convert dynamic hard drive to basic to run recovery? Or is there another way around?
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Jan 11, 2012
Just installed Avira antivirus and rebooted to complete the installation. I am getting the error "Boot selection failed because a required device is inaccessible" whenever I attempt to boot. I have tried using the Windows 7 disc to repair but it does not work as it runs for a few seconds then instructs me to reboot.The hard drive was initially not appearing but luckily I can now access all my files from this OS, however I would really like to gain access to my main OS again. I have also reset the CMOS but it hasn't changed anything.
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Jul 31, 2011
I'm having this error for a while now. this: 0xc0000225 Boot selection required device is inaccessible What happened before this is just a forced shut down because the computer is lagging. After that, this error in now showing up. I have a recovery disk but I can't manage to open it up, cause I dont know this stuffs
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Aug 10, 2012
Okay, so this just happened out of nowhere. Nothing seems to have led up to this -- the system booted and shut down successfully, and no software updates or installs were done during the period of time it was on when it was last working. I've attempted many things, but none seem to work. /ScanOs reports no OS detected, while startup repair said the OS was booted successfully. bcdedit also shows no directories linked to "unknown". CHKDSK reports no bad sectors, so such can be discarded. This happens every time I attempt to boot to Windows 7 (Home Edition, x64). I have a copy of Fedora 17 set to dualboot with it
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Dec 9, 2012
This morning when I went to run on my windows 7 32-bit installed PC, I was greeted by an error message saying "The boot selection failed because a required device is inaccessible". This is odd because last night it was working perfectly, with no problems. I've tried several solutions, like using the repair CD 3 times, to no avail, as well as writing a new mbr through Linux, using testdisk. I also know the whole hard disk isn't compromised since my Linux dual boot is still working with no problems from its partition.
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Sep 13, 2012
I have an Intel i5, Windows 7 Ultimate, and SSD main and 2 HDs SATA. One day, blue screen BSOD appeared and Pc is restarted. Then appears the following error: Window failed to start. A recent hardware or software change might be the cause.
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Jan 23, 2012
My PC had a single hard drive with 300Gig. (I will refer to it as original HD64) Windows 7 Ultimate 64 bit installed. Worked fine for a year or two. Eventually started crashing randomly, attempted lots of fixes but was reliably informed that it could be my hard drive. I decided I would be best with a new HDD and a fresh install. Bought a new hard drive. 250Gig (Will refer to it as new HD32). Unplugged originalHD64 from sata cable and power. Plugged in newHD32 into sata cable.
Inserted bootable USB flash drive with windows 7 Ultimate 32 bit on it. Went through full install including partition creation etc. Install crashed part way through but I think the dog knocked the power lead. Restarted install. Everything seemed to install fine. Plugged in original HD64 into second sata slot. Changed boot priority to New HD32. Booted fine.
Clicked on >Computer and found new HD32 as C: drive and Old HD64 as D: as I wanted it to be.
So far so good. But on next boot the CHKDSK thing ran. Then it booted ok. CHKDSK ran on next boot also. Then I managed too boot normally but realised there were a couple of things not working properly in the fresh install. Things like Windows Picture viewer would not open anything at all and a couple of other issues. And it was especially annoying that CHKDSK kept running. I asked for advice and was told that I should probably just format the new HD32 and resintall from fresh incase the install had somehow gone wrong.
So, I changed the boot order to Old HD64 and logged into my old windows OS which I had left installed in case anything went wrong. From there I navigated to disk management and formatted and repartitioned the NEW HD32 disk. Now I unplugged Old HD64. Plugged in bootable USB flash drive and tried to follow the exact same steps as I followed last time. But instead of going through the windows install I just get ... "The boot selection failed because a required device is inaccessible" (and some other text viewable in the following link).
Here is an example image of the screen I get... The boot selection failed because a required device is inaccessible error 0xc000000f on HP Notebooks - Tricks Guide
So I reboot.
Press F8 to select boot device.
Choose USB flash drive.
I have unplugged the New HD32 and plugged in the old HD64 and done the same thing just to test if its a HD issue but I get the same problem.
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Nov 27, 2009
I Installed Acronis Disk Director Suite 10.1 yesterday on my Windows 7 and got this problem when it boots up I get the option to choose OS. Windows failed to start. A Recent hardware or software change might be the cause. To fix the problem:
1. Insert your windows installation disc and restart your computer.
2. Choose your langugae settings, and then click next
3. Click "repair your computer."
Status: 0xc000000e
Info: The boot selection failed because a required device is inaccessible.
Then I tried to run the Windows 7 installation disk, I go to the cmd prompt and run the
DISKPART
diskpart
list disk
select Disk X (X=disk where I installed all the OS, should be Disk 0)
list partition
select Partition X (X=partition containing OSX)
Virtual Disk Service error:
The pack is not online
and then i run the Bootrec /ScanOS, it came with 0 identified Windows Installations, this is why I come into the cmd prompt as I could not select the installed OS.
I've tried that from bootable cd to repair the install but the partition of windows7 is not recognized still.
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Mar 21, 2012
when I turn on my pc I get the follolwing error message "Reboot and select proper boot device or insert boot media in selected boot device and press a key".
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Dec 1, 2012
I am having a problem starting my PC! I have to start it in the boot menu under the RAID option. If I do not do this a message saying "Reboot and select proper boot device or insert boot media in selected boot device and press a key.." comes up, and just keeps popping up regardless of what I press! I would try using my boot disk but for the life of me I can't find it, and as windows 7 was already installed on this computer when we got it 3 year ago, I can't accurately recall if it came with one!I am no expert on BIOS, but I have read other problems similar to this one, and know that if I don't have the boot disk or the OS disk, I will need to know that at least.I am curious if the (Hard drive) is the issue. The BIOS tells me that anything in parentheses is disabled from corresponding type menu.
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Oct 25, 2011
I recently received a new laptop. After starting after time with no problems I received a blue screen with Verticle black stripes then it shut off. After attempting to reboot it I receive this error in a black DOS like screen.
"Intel UNDI, PXE-2.1 (built 083)
Copyright (C) 1997-200 Intel Corporation
This Product is covered by one or more of the following patents:
US5,307459, US5,434,872, US5732,094, US6579,884, US6115,776 and
US6,327,625
Realtek PCIe FE Family Controller Series v120 (01/26/10)
PXE-M0F: ExitingPXEROM.
Reboot and select proper Boot device or Insert Boot Media in selected Boot device press a key"
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Nov 24, 2011
i am facing problem while booting before Reboot and select proper boot device or insert boot media in selected boot devic this screen is coming
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Jun 11, 2009
I have a strange issue haunting me. On a dual boot PC (Windows 7 x86 and x64 the OS selection (Windows Boot Manager) will not allow me to select with the arrow keys. Also the enter key will not allow bypassing the timer. I recently reinstalled both OS but it never worked previously when I had Windows 7 x86 and XP x64 on a dual boot.
During the install, during the several restarts that occur when you are doing an install it will work and I could select but now I cant. The keyboard is a USB keyboard with wireless mouse.
Any ideas?
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Jan 6, 2009
I'm using the Windows 7 - 7000 build too.
Well, I have some questions... first, regarding the boot screen when I turn on the computer. I've installed Windows XP SP2 this way: Deleted all the partitions on my hard drive, then did two partitions from the installation program of the CD, then I installed Windows XP in one of the partitions, then I installed Windows 7 in the other partition.
So, I have two SO's running, but, when I turn on the PC only stars with Windows 7. There is no OS selection screen at the very beggining. What could be the problem?
Second, and regarding with graphics. I'm running Win 7 in a HP 530 Core 2 Duo 2GB RAM and this: "Intel Graphics Media Accelerator 950, up to 224-MB shared system memory". When I turn on the slideshow as a Desktop Background, sometimes I see weird lines and the transition is not as smooth. Also, I've installed Warcraft III Frozen Throne and when I play, I see some dark flashes and lines.
This happens because of the "beta" not handling well the GMA 950?? I'm using the drivers that came on with the Windows 7, however, I think I've updated them via Windows Update since it seems that HP and Intel are friends with Bill Gates.
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Dec 30, 2009
So I have this problem that it would appear heaps of others have:
I have a Kogan Agora pro: Kogan Agora Netbook PRO - Kogan Technologies Pty Ltd
It does have a sata hdd. I looked through the BIOS but couldn't find any places to change the sata settings to AHCI or raid.
I am trying to install from a usb key (using an ISO I created from an install dvd) but had the same problem with a downloaded iso. Also tried to install using the default language settings (As identified by David76 in another thread) but no luck.
I think it relates to the SATA HDD. I put the drivers for the netbook onto a seperate usb drive which it finds and lists in the box but none of the drivers do anything (hit next it thinks about things for a while then says no new drivers found).
I am really starting to get a bit ticked and regretting my move away from linux. If it wasn't for a few particular programs I use that don't work on linux i would have given up ages ago.
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Mar 22, 2011
I have a Windows 7 PRO 32 Bit OS License and DVD media.I am building a completely new PC - AMD Processor;Gigabyte Motherboard; SATA hard drives; a pair of SATA DVD Recorder/Player drives; memory, etc.The configuration is able to boot the Windows 7 Pro installation.The installation apparently progresses until the following message appears."A required CD/DVD device driver is missing.If you have a driver on a floppy disk, CD, DVD or USB Flash Driver, please insert it now." I am unable to locate the CD/DVD device driver I need to allow the installation to proceed.
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Sep 5, 2011
When it crashes the cursor still moves and sometimes I can move windows around but then it all shuts down and sometimes briefly shows a blue screen of death. On reboot I sometimes get this message and have to reboot again. "Reboot and select proper boot device or insert boot media in selected boot device and press a key"It's a brand new box just built last week but no warranty and I would not even know what part to replace if it's hardware related.I've attached a Hijackthis to the post if it helps but I don't think it's virus related at all.
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May 13, 2012
When left alone..."Reboot and select proper boot device or Insert boot media in selected boot device and press a key"I have a new(ish) cpu that I bought last Christmas, it works great and it has not crashed on me whenever I am using it. However, when I leave it on overnight (usually when it is downloading something big), when I wake up in the morning I am greeted with a black screen with the words:"Reboot and select proper boot device or Insert boot media in selected boot device and press a key"When this happens I simply press the power button a few seconds to turn it off, then turn it on again and it boots normally. (pressing a key only results in the message being repeated)What infuriates me is that it only ever happens when I leave it on overnight so I don't know when and how exactly it occurs but it almost always does. Like I said earler, it never does this when I am using it as it works fine otherwise. It just won't stay on overnight when I need it to.
System info:
Windows 7 ultimate x64 (full retail, installed once from scratch)
Intel core i7 4200k
Nvidia Gtx 560ti
16gb RAM
Seagate 500gb hdd for OS, 2Tb samsung and 1Tb seagate hdd for storage (all internal drives; no external drives attached)
Connected via hdmi to Pioneer receiver vsx 1121 then to 42" 720p Panasonic Plasma Tv
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Aug 28, 2012
how to enable dual boot os selection during system startup after installing xp in Windows 7
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Apr 30, 2011
i have the same problem with "A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.Note: If the Windows installation media is in the CD/DVD drive, you can safely remove it for this step."i have a dell mini 10 (1012) & it doesn't have a dvd drive. i have Windows 7 home premium (upgraded from starter). i made a bootable usb stick (downloaded iso file from mintywhite & then made the bootable stick). that process worked fine.when i try to do the re-install, however, get the message noted above. i read on another post to 'disable the raid function in bios'. i also tried downloading ALL my dell drivers & tried the re-install with them on another flash drive stuck in the machine.
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Mar 13, 2012
I am trying to install Win 7 Home Premium on a different HD, I have the original install disks, I boot from the DVD drive and the files load as usual but after selecting language I get the message: A required CD/DVD drive device driver is missing. How do I resolve this? And also is there any advantage to installing 64 bit, my processor does support it.
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Feb 7, 2011
I have just finished building a new desktop, here is the config:
Intel Core i5-2500K
ASUS P8P67 Pro, Intel P67
CORSAIR Dominator CMP8GX3M2A1600C9 2x 4GB
OCZ Vertex II Series SATA II 2.5" SSD, 60GB
SAMSUNG Spinpoint F3 1.0TB
SAPPHIRE HD 6950 2GB
Fractal Design Define R3
CORSAIR HX750
SONY OPTIARC AD-7260S SATA, DVD-RW
Using access to MSDN-AA, I got an ISO and key for Windows 7 Pro x64 (DVD - English). I then burnt the ISO to a DVD using my current computer, a WinXP 6 year old ACER laptop. When trying to do the clean install of Win 7 Pro on the new desktop, the installer starts up fine, but after choosing my language and regional settings, I get the famous "A required CD/DVD device driver is missing" error.
Here are the things I have tried, in vain:
1) Installing the various available SATA drivers from the ASUS motherboard DVD. This doesn't work and gives a "No new devices could be found" error.
2) Reburning the ISO with ImgBurn at 2.4x speed with verify on.
3) Redownloading the ISO from MSDN-AA and reburning the new ISO at 2.4x speed.
Note that I would have tried to make a bootable flashdrive of the ISO (using this guide: Install Windows 7 From USB Drive/Pen Drive ) but since I'm on Win XP on my current computer, DiskPart doesn't work in the same way. I therefore cannot do this, at least not in the manner described in that guide. Talking of DiskPart, I called up the command window in the Win 7 installer, and it shows NO drives at all. In the ASUS EFI BIOS, I have chosen boot priority for the DVD drive, and the two hard drives can be seen from there (although the SSD cannot be chosen as a priority for booting, which is weird, and possibly linked to this problem?).
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