Your bootable usb drive could not be created

I tried to install windows 10 by using boot camp assistant. i copied window 10 iso to my usb 2 drive . during the usb formatting the error message came.
"your bootable usb drive could not be created"- an error accrued during formatting
How can i solve this & formatting usb
Thanks
Arun

I'm on an earlier version of DU, but highlight the ISO or open it in DU & highlight it, click on the Restore tab, darag the ISO to the Source Box, & the USB drive to the Destination box.
Occasionally you have to rename the .iso to .dmg for it to work.

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BootCamp Assistant Error : Your bootable USB drive could not be created. "An error occurred while formatting the disk."

I have a Windows 7 Ultimate .iso file saved onto a "Mac OS Extended (Journal)" formatted USB flash drive. I am trying to install it with BootCamp Assistant and I keep getting the error message : Your bootable USB drive could not be created. "An error occurred while formatting the disk."
I have previously installed Windows 7 on my Mac (and it worked flawlessly - same .iso file), but I uninstalled it because I didn't partition enough space on my hard drive. I have used several flash drive to try and install and none have worked.
Some help would be greatly appreciated.

The Boot Camp forum is located here: https://discussions.apple.com/community/windows_software/boot_camp
The Boot Camp Guides are located here: http://www.apple.com/support/bootcamp/

"Your bootable USB drive could not be created" "Boot Camp only supports 64-bit Windows installation on this platform. Please use an ISO file for 64-bit Windows installation."

I try to install windows7 system on my macbook air, which version is 10.8.5. When I open the bootcamp, it let me to choose a windows ISO image, which I've already downloaded from this website: http://www.w7forums.com/threads/official-windows-7-sp1-iso-image-downloads.12325 /, it also asked me to select a USB drive, which is kingston that has 8GB. Then when I clicked "continue", it said that "Your bootable USB drive could not be created" "Boot Camp only supports 64-bit Windows installation on this platform. Please use an ISO file for 64-bit Windows installation." But actually the ISO image I downloaded is 64-bit windows7. I don't know why this would happen. Could someone help me please!!

Thanks for your feedbakc Kiranjj!
I identified the reason to be that the W8 installation file didn't download completely from a Mac OS-device. I downloaded from another Win-device and the moved the installation file with a USB-stick and then everything worked diectly! But thanks anyway.

Even after resets get "The backup disk image "/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle" could not be created (error 22)."

HELP! "The backup disk image “/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle” could not be created (error 22)."
TC estimates over 750GB for full backup.
Late 2010 MBA is connected wirelessly to
802.11n (1st gen) TC that is connected via ethernet hub built into house to motorola router using charter.com for internet.
I have had same problem for over 150 days and multiple reboots, restarts in proper order, firmware updates, unplugs with 5min plus gaps, bypassing the tc and using external 500gb WD mybook via usb to time capsule, replacement of the WD mybook to new 2TB Free Agent GoFlex drive, etc, etc, etc! Note: I originally named my MBA hard drive MacBeth, but at some point months ago, it said backup already existed and system automatically created MacBeth (2), worked for a while, then stopped again, despite trying nearly daily.
I gave up and started using Carbon Copy Clone daily for just the 128gb on internal SSD of my late 2011 11" MacBook Air, but need to get past these time capsule errors to back up the external disk! Due to lack of space in MBA, I had long ago transferred both itunes and iphoto and all imovie/fcpx files to a 1tb external disk (WD Passport) that I keep in my bag with MBA. It is partitioned with 150gb for cloning the MBA, and over 750gb for media/itunes/iphoto/etc.
Also, I have endured months of "your hard drive is full" messages and system lockups, applying the solution given to me by genious bar (deleting all aol.com outboxes/recovered messages/spam/trash under library/mail/V2/Mailboxes folders, empty trash, restart....watch recovered hard drive space mysteriously shrink next couple days to zero.....repeat)
Due to lack of space, I had not been able to do javascript and other system updates. Yesterday, I noticed even safari bookmark bar had mysteriously emptied (not disappeared, I can hide and show the space where the bar used to be - it is just blank area with no data except for eyelass-book-topsites icons), so I transferred a few large quicktime movie files recorded with isight camera to the external disk, and freed up 20 gbs for the first time!
This got my hopes up yesterday because after I completed all system/software updates, suddenly the bookmark bar showed up and I was able to start the time capsule backup! It took overnight preparing for backup, but finally started and progressed to 12gb of the 100gb+ needed (i guess the update where it left off months ago for the estimated 750gb for the full backup?), then I put system to sleep and took it with me (thus leaving the wireless time capsule network as I do daily fully expecting it to continue when I returned home in the evening.) But alas, upon return, back to the "Time Machine could not complete backup, The backup disk image ".....sparsebundle" could not be created (error 22)" Ugh! More reboots, unplugs, 5min gaps....still Ugh!
So the problem continues...please help! Here are my settings:
About this mac:
Mac OS X V. 10.7.5
processor 1.6 ghz intel core 2 duo, memory 4 4g 1067 MHz DDR3
software up to date!
Airport Utility:
V 6.2 (620.33)
both internet globe and TC show green dots in graphic, however internet occasionally shows yellow then goes to green, but still gets error 22. Suddenly TC showed explanation mark and says lost connection and asked if I wanted to 'forget', gave same errors, then mysteriously went back to green, but still got error 22!.
Internet:
connection: connected, displays router address, 2 dns server, and domain name: charter.com
Time Capsule:
shows network, ip address, serial number, version 7.6.3, status: (green dot) Setup over WAN,
wireless clients: phones, macbooks (including this MBA), printers, wii
If you need other settings to help me, just ask! I have read a few of the other solutions in forums, but trying not to erase disks, especially since it worked for a minute yesterday!

To step sideways.. why not just use CCC to backup the 750GB of the hard disk to the TC.
You need to understand this is going to be a super slow process and each time you stop it.. it is going to give issues. CCC will at least do a more reliable job of it than TM.
I would also say.. this is going to be tough without ethernet. You need to understand the backup speed over wireless can be 10GB per hour.. that makes 75hrs to backup the disk. The air needs to run non-stop doing that.. without you touching it.
I would get another external drive.. plug that into the MBA and if you really want to use TM.. make a backup one to the other.. but CCC will again do a better job and work faster. It will be much faster than over wireless.
I am trying to think of ways around the issue of just speed.. but plainly you have lots of other issues.. being the simple unreliablity of the TM to identify the TC.
If you want to make this work.. give yourself a weekend.
Load 5.6 utility into the MBA..
http://support.apple.com/kb/DL1482
Take the TC back to 7.5.2 firmware. It is a really old version and latest firmware does it no good at all.
Wipe its hard disk using erase and start over.. give it new names for everything.
So call it TC
Set the wireless to 5ghz and name it TC5ghz
Use WPA2 Personal security. Use a 10 character passkey non dictionary.
At 5ghz you should get 2x the speed as at 2.4ghz but the air will need to be right next to the TC..
(alternatively buy the USB to ethernet cord apple have available.. it is $30 in the apple store and do it over pseudoethernet. http://store.apple.com/au/product/MC704ZM/A/apple-usb-ethernet-adapter That is the wrong store but you get the idea. )
WIth a fully clean system.. now do a full reset of TM.
See A4 http://pondini.org/TM/Troubleshooting.html
Direct the TM to back to the TC.. and make sure the external hard disk is not excluded.
Of course the TC has to be 1TB version to fit that much data.. goes without saying right.
Even over pseudo - ethernet this will take many hours.. and you basically have to leave it to work.. do not touch it.. make sure the MBA cannot sleep though.. turn off sleep.. beforehand.

The backup disk image "/Volumes/3TB Seagate Expansion Drive-1/Toby's MacBook Air.sparsebundle" could not be created (error (null)).

Hi all,
Recently moved into a new place and now have my external HDD plugged into my iMac as a backup.
Just went to backup my MacBook Air, which has used the drive previously, but always through USB.
Now trying to backup wirlelessly so I do not need to remove from my iMac, but got this message:
The backup disk image “/Volumes/3TB Seagate Expansion Drive-1/Toby’s MacBook Air.sparsebundle” could not be created (error (null)).
Have tried to reset without success. Any suggestions?
Thanks

You might want to consider starting a new discussion. Since this one is marked solved, less people are likely to look at it. You can link to this one.
The same error message? Try hooking your backup drive to your computer and run Disk Utility Repair Disk and Repair Permissions.

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Cannot create your bootable usb stick

Hi all,
I'm new to bootcamp and I have the following problem:
When I'm creating a Windows 7 usb drive, it gives me an error "Cannot create your bootable usb stick there was a problem copying files".
I've tried searching google for the problem, but the only possible solutions I've got was to unmount the iso image and try again, but when I do that I still get the same error and when I check the disk utility I find the iso image is mounted again.
Does anyone haven an idea about what to do.
Specs:
OS X Yosemite 10.10.2
MacBook Pro Retina 13-inch Mid 2014
2,6Ghz Core i%
8 GB 1600 MHz ddr3
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Please see the Microsoft reference and the second link has an example.
https://support.microsoft.com/en-us/kb/841290?wa=wsignin1.0
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I am using a WD My Passport Studio external hard drive as a Time Machine. I get the error that a back up folder could not be created when my iMac has been asleep, any advice. The hard drive is set set not to go to sleep.

Were you not plugged in via USB to begin with?
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http://support.apple.com/kb/HT3964
http://support.apple.com/kb/HT1379

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Message was edited by: SilverSkyRat

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Hi Guys,
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The backup disk image "/Volumes/FW1000HD/MacBkPro.sparsebundle" could not be created (error 1).

I added an 1TB external usb hard disk to my time capsule as the existing 1TB hard disk is nearly full (less than 12 GB left on time capslule hard disk). Initially, I connected external hard disk to my MacBookPro (late 2009 Intel machine) and erased most of the data on that disk. I added the disk to time machine's backup disks thru the time machine window in system preferences. Now I supposedly have both hard disks, the one in the time capsule and the new usb hard disk, available for backup. Time Machine immediately backed up my system, which consists of my MacBookPro hard disk (about 96.8 GB) and another external usb hard disk which contains about 500 GB of data, on the new extenal hard disk.Time Machine did not attempt to create a new sparsebundle at that time on my new external backup disk. This backup was done while the new backup hard disk and the data disk were both connected to the MacBookPro and the Time Capsule was directly connected by ethernet cable to the MacBookPro. I then disconnected the two hard disks from the MacBookPro and reconnected them both via usb to the Time Capsule. Now, hopefully, the external usb backup hard disk can be written to via wi-fi thru the usb connection thru the Time Capsule? I successfully use the data disk (which contains my full iTunes Library) from the Time Capsule all of the time.
Time Machine has continued to backup small backups of a few MB to a few hundred MB to the Time Capsule hard disk. Time Machine has attempted at least twice that I know of to set up a sparsebundle on the new external backup hard disk, but it has failed both times with the following message:
The backup disk image “/Volumes/FW1000HD/MacBkPro.sparsebundle” could not be created (error 1).
Before the two attempts that I witnessed to create the sparsebundle on the new backup drive, I got the following message:
The identity of the backup disk “FW1000HD” has changed since the previous backup.
I did not change the identity of the FW1000HD, but it originally was connected directly to the MacBookPro when it was backed up. Could this be the problem? And if so, how do I fix this, so I can use this hard disk for back up from the wi-fi connection to Time Capsule?
Gary Olson

I'm not sure this is at the root of your problems, but Time Machine manages backups to a local disk differently than to a network disk. The Time Machine backup written to the disk while it was connected locally can't be used for network backups.

How to download Lion again to make bootable USB drive?

I downloaded Lion and have it installed. Wanted to create a bootable USB drive from the .dmg file but it's gone after install. How can I download again? App Store shows it's installed and won't let me re-download.

This is not difficult and you will not have to download from the app store.
your computer has what is called a recovery partition that came with it.
simply hold cmd+R while you boot up. let go a second after you hear the chime.
you will boot into the recovery partition.
Use disk utlity to format your usb drive and then exit Disk utlity and go to Reinstall Mountain Lion.
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How do I Install Windows 7 on Mac Book Pro via a Bootable USB Drive

Hi Guys,
I have a Mac Book Pro 13 inch, Early 2011 Processor 2.3 GHz Intel Core i5 (I initially had OS 10.5.8 which I upgraded to OSX 10.9.4 a few months ago).
When purchased it, I installed Windows via Super Drive (that being the only time i ever used the super drive). My Windows got corrupted for some reason 2 months ago. Hence, I removed the windows via Bootcamp to perform a fresh install. I discovered my Super Drive was no longer working.
Thereon I have been trying to install Windows via a bootable USB Drive but am failing to do so. After going through several forums, I have reached the following stage.
1. Created Bootable Windows USB Drive using Windows USB (http://www.wikihow.com/Create-a-Bootable-Windows-7-or-Vista-USB-Drive). Have used this USB drive to install windows on a DELL Computer
2. Bootcamp wasnt creating a partition for windows since no Windows Installation disc was being detected in super drive. (Solved it by downloading Toast Titanium and loading the .iso file on a virtual drive).
3. Boot menu was initially not detecting external drive, so installed rEFIt - An EFI Boot Menu and Toolkit. Now it is detecting the USB Drive.
Now when I boot from this device, it get a black screen with the message "No bootable device - Insert Boot Disk"
Request someone to please help me install windows as some softwares which I work with are windows based.

smartestidiot wrote:
So my understanding is that my Boot Camp Assistant (BCA), since it does not allow USB installer, it sets NVRAM to boot from Optical Drive. Right?
Yes.
So can I change it or update it to another BCA version which supports the same??
All BCA versions drive the logic based on the Mac Model Identifier. Unfortunately there is no real workaround. .
Please see https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Unibody+Early+2011+Optical+Driv e+Replacement/5122
and https://www.ifixit.com/Store/Mac/Unibody-8x-SATA-SuperDrive-Post-Early-2009/IF16 1-073-2.

Your bootable usb drive could not be created

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