For example, if you connect a usb 3 device to usb 2 port, your device is limited to usb 2 speeds, and it cant draw more power from the port than can be delivered over usb 2. If you are looking for something for just yourself, you could write a small mac app that runs in the background and watches for a particular usb device by id to be attached and then run the program. Thats why apples lightest laptop comes with the usb software. Boot usb to install on new hard drive alright i put a new ssd in the hard drive location plugged in and i have i usb with an installer for lion on it and i plugged it in as well i start up the mac and hold option but i cant get to the drive select screen it just turns gray and stays that way. In other words, to get the best performance, make sure that the usb port on your mac and the usb cable to your device meet or exceed the usb specification of the device. If the drive needs to be formatted then click on the article that matches the operating system. Recover lost data from pen drive on mac os xmacos easeus. Troubleshooting usb devices in parallels desktop for mac. Software reinstall usb drive comes with new macbook air. Frequently asked questions about software reinstall drive.
Select the usb drive and click the recover button to start scanning. The macbook air can still use a remote optical drive, as well as take advantage of the external. It is preinstalled with a version of mac osx leopard. Creating a bootable mediatools wipe usb flash drive. Extrenal hard drive is read only on macbook february. Here is a link that shows you how to reformat an sd card or microsd card on your mac. For most reasons to erase, including when reformatting a disk or selling, giving away, or trading in your mac, you should erase your entire disk. Make sure that it has at least 12gb of available storage and is formatted as mac os extended. The macbook air software reinstall drive is read only. So, to figure out the effective solutions for your own case, you need to take time to have some basic check, exclude the irrelevant issues, identify the potential risk, and finally. Make a backup copy of the macbook air usb software. Plug the usb flash drive in to the usb port located on your mac. Click recover to restore the files to a designated location.
Tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services. On step 3 your usb drive may have a different drive letter. Usb backup is great for backing up files from you ubs drives before the break. If your mac has a solid state drive, you can skip this part. It seems to be a bigger problem than just getting one bad drive. Stop using the usb drive as soon as you realize you will need to perform data recovery on the device. This stick should be at least 12 gb in size and have the fastest possible access times for a smooth installation tip. Choose a new name and format for your drive, then click erase. To format a drive on a mac, youll need the builtin disk utility application. Mac using a usb flash drive to back up your data files. Can i just erase the ssd assuming this function works.
Usb backup saves you from nasty surprises by automatically backing up your flash drives data so you dont have to. Move all the files you want to keep from the usb flash drive on to the hard drive. Jan 11, 2020 if your manufacturer provides a version of the amlogic usb burning tool with the firmware download, then you should use that. Connecting a mac in usb target disk mode to a windows host via usbc is not supported. My start up drive is corrupted after updating sierra. Mac os x users often need to use a usb pendrive thats compatible with other computers. Try restarting the system and press the c key to get it to read the disk which it will fail and kick out. Sep 30, 2011 josh wright over at macgasm figured out a really clever way to do just this very thing, using simply a copy of lion, a macbook air recovery usb drive, a windows machine virtual or physical and a. Select your startup disk from the list, then click the erase button inside disk utility. Usb drive fails to be recognized in explorer after use by. Apr 16, 2020 to recover deleted files from a usb drive on mac. Click on the drive image to the right it will lead you to the ifixit guide on how to open the drive up.
Carefully select the proper drive, this process will format and overwrite any existing data. Disk utility problem erasing a large external hard drive. So how do you know if your usb drive is using the right format. Cant read flash drive, when i plug the usb into my mac pro. If your manufacturer provides a version of the amlogic usb burning tool with the firmware download, then you should use that. Before ejecting the usb drive, select empty trash if you prefer a secure erase click on the trash can and select secure erase from the right side of the screen. Use disk utility to erase format a hard disk, ssd, flash drive or other. How to wipe your mac and reinstall macos from scratch. If there is no indented entry then the drive needs to be formatted or run the data recovery software on the drive in an attempt to retrieve your files. If the drive works fine on other oses windows, linux, etc but not on your mac or any others, then the drive may not be formatted properly. How to securely erase data from your mac and external drives.
How to delete a file in a pendrive permanently using mac. Delete the following configuration file to create a fresh copy. Theyve tested it and made sure it works with that particular firmware upgrade. If playback doesnt begin shortly, try restarting your device. Oct 09, 2009 locate and launch the disk utility application now from here once you connect your hard drive to your mac, disk utility will display the drive on left side window in the application. How to recover deleted files from a usb flash drive on mac. I have a 2tb mypassport drive that i use with my macbook pro, its the one that fits in the rugged case and is usb 3. Always use the normal erase configuration option unless you really know what youre doing.
Depending on the model of your computer, usb ports may be located on the front andor back of your computer. This operation can prevent the files from being overwritten by the operating system before you have a chance to recover them. Aweeraser for mac is secure and certified mac data erasure software which offers secure and flexible data erasure for individuals, enterprises and organizations. By default, they format disks with the maconly os x extended file system. Select the format popup window, choose mac os extended, give your reformatted disk a name, then confirm your erasure. Feb 23, 2007 extrenal hard drive is read only on macbook by sunnydjs feb 23, 2007 9. From the erase tab, choose mac os extended journaled and wipe your drive. Disconnect the mac thats in target disk mode to keep it from attempting to remount. Your mac store the information of the every cd you put into the cd dvd drive in a file called cd info. Disk erase failed with the error operati apple community.
Hack your macbook air usb software restore drive to install. The flash drive may also be ejected after failing to be erased in disk utility. Extrenal hard drive is read only on macbook february 2007. Click your primary drive, then click erase if youre wiping a mechanical drive, click security options in the window that pops up. Mar 14, 2020 how to recover data from usb pen drive on mac os xmacos. Guid partition map, master boot record, or apple partition map. However if you are concern about your data stored on usb drive then dont take tension, once this problem get resolved permanently from your usb drive then all your formatted files can be restored back easily with the help of mac data recovery software within just few simple steps. How to format the os x installer usb stick that comes with macbook. Make a backup copy of the macbook air usb software reinstall. How to fix unreadable usb on mac mac data recovery.
Mac computers in usb target disk mode via usbc appear as. Press down the power button and hold it for 5 seconds. Videos you watch may be added to the tvs watch history and influence tv recommendations. The connected mac will also unmount and attempt to remount every minute or so. Youll now see a display begin to erase your macbook airs drive and data.
With certified data erasure algorithms, it will permanently erase your sensitive data before you sell, donate, lend, give away or dispose your machard drivedigital device. How to recover data from usb pen drive on mac os xmacos. Hold until the black screen with all the coding appears. Here, you can rename your flash drive and choose a volume format, which should be msdos fat. Open the disk utility program, select the drive you want to securely erase.
Disk utility wont erase my usb flash drive couldnt. Make sure the device can be detected by the machine. Nov 19, 2012 usb drive fails to be recognized in explorer after use by a mac i have a usb drive that is not being recognized by windows 7 home edition after it was used by a mac. Erase your hard drive and reinstall macos the best way to restore your mac to factory settings is to erase your hard drive and reinstall macos.
Extrenal hard drive is read only on macbook by sunnydjs feb 23, 2007 9. If the drive works fine in other macs, try other usb ports on your mac. Select the disk or volume in the list on the left panel. Ideally a small xml plist could be used to map device ids to the correct program to run. How to remove usb stick the right way in mac os x mac os x. Usb drive fails to be recognized in explorer after use by a mac. Oct 20, 2010 todays updated macbook air now ships with a stylish usb drive for software reinstallation duties. Flash drive has a mac os bootable installation on it and your needs delete the old os so you can install a new os. If youre using an imac, mac pro, or mac mini, use a usb or other wired keyboard and mouse to complete the next step. Power it on and hold command key and s key at the same time. Creating a bootable mediatools wipe usb flash drive prosoft. Some flash drives have to be formatted first before you can. Cant read flash drive, when i plug the usb into my mac. Macbook air software reinstall driveapple usb stick youtube.
Apple powerpc guid intel master boot record windows. You can easily format erase any usb drive in mac os x with the disk utility app, well demonstrate this with a flash drive that will format as. Whether its a hard drive in an older mac or an external hard drive, if it is accessible, you can use disk utility to securely erase it. Hack your macbook air usb software restore drive to.
I am a mac newbie so please bear with me with this request for advice. I got around the issue myself trying to format an old pata 80 gb drive to work with a truly old 2004 g4 macmini. Follow the simple steps to recover deleted files from mac. I went to plug it in to my mpb today and nothing happens, the light comes on in the hard drive and i can hear it running but it doesnt seem to mount on to my mbp, it doesnt show up in disk utilities either. Aug 06, 2019 on step 3 your usb drive may have a different drive letter. Once your macs hard drive is erased, quit disk utility and. Majority of operating systems, not only mac os x, use a temporary fast memory location called cache, to speed up the process of writing data to usb drives and when you press the eject button prior to pulling the stick out, the operating system makes sure that all the actions in progress are finished so you can remove your usb drivestick safely. Jan 30, 2015 this is a macbook air software reinstall drive usb stick that i got with my late 2010 macbook air. Disk utility wont erase my usb flash drive couldnt open. Mar 04, 2016 open the terminal mac app and delete using the code rmcode remove command. Mar 12, 2020 connect the usb flash drive or other volume that youre using for the bootable installer. Master boot record is appropriate for external drives used with a pc or boot camp. Jun 05, 2018 the next step to format a usb pendrive using a mac, will be to select the erase tab and click on the format dropdown box that says msdos fat, thus enabling the pendrive to be compatible with windows. In the sidebar, select the drive you want to erase or reformat.
On your mac, go to applications utilities disk utility. Jul 25, 2012 from the erase tab, choose mac os extended journaled and wipe your drive. Take caution before you erase so that youre erasing the right drive and that you have any needed backups of your data elsewhere. How to use the amlogic usb burning tool to manually update.
It mounted perfectly and as it came formatted as fat32 i used disk utility to reformat as mac os extended journaled. Check whether the device you would like to connect to your virtual machine is listed under permanent assignments list. If your integral usb has a security or zip software preloaded integral splash, secure. Though it failed but when i try to fix my mac again by inserting the mac os dvd and run it, in disk utility has shown disk02 and bootcamp which hasnt shown it before just the 465. Secure mac data erasure magoshare aweeraser for mac. An even scarier version, if you are into that kind of thing, is looks like a usb drive, behaves like a usb drive, but it also contains a gps and a 3g modem that tells the nsa its whereabouts when plugged in. Maybe it wasnt clear, but the first step of formatting a drive, is using disk utility to erase it. I had to try a few times but from memory what worked was to format the partition exfat temporarily, then erase the whole disk choosing a new partition scheme from. Not every flash drive out there can be used with a mac computer right out of the box. You can also open a finder window, select applications in the sidebar, and head to utilities disk utility. All backups can be encrypted and can also be archived to save space, allowing you to create more backups at a lesser cost in memory. In theory, this should be easy, but sometimes it can be problematic because the usb pendrive can be read by other devices but its not possible to save files on it. Will usb install of windows 10 erase all files on c.
I cant repair mac hd in disk utility as i cant unmount it. Majority of operating systems, not only mac os x, use a temporary fast memory location called cache, to speed up the process of writing data to usb drives and when you press the eject button prior to pulling the stick out, the operating system makes sure that all the actions in progress are finished so you can remove your usb drive stick safely. Disk utility presents several tools at the top of the window. First off, connect your external hard drive to your mac. It was then impossible to try to partition the drive. By default, its the disk built into your mac, named macintosh hd. Similarly some other files contains info about the settings and configuration of the drive and disk. Locate and launch the disk utility application now from here once you connect your hard drive to your mac, disk utility will display the drive on left side window in the application. Next, click on the erase tab and select either msdos or mac os x extended proceed from there. Open terminal, which is in the utilities folder of your applications folder. How to erase a disk for mac use disk utility to erase format a hard disk, ssd, flash drive, or other storage device. You can help protect yourself from scammers by verifying that the contact is a microsoft agent or microsoft employee and that the phone number is an official microsoft global customer service number. We need a usb stick to be used as a recovery medium.
Deleting them will allow os x to create a fresh copy of them. In this article at onehowto well explain how a usb pendrive is useful for storing text documents on any. Apr 05, 2010 cant read flash drive, when i plug the usb into my mac pro it says the disk you inserted was not readable by answered by a verified mac support specialist we use cookies to give you the best possible experience on our website. The scary part was i received a usb drive of dubiousunknown origin and plugged it in. Cant erase or reformat a drive in macos disk utility.
Otherwise youll need to open up the drive to pull the disk out. How to create a bootable installer for macos apple support. Open the terminal mac app and delete using the code rmcode remove command. Todays updated macbook air now ships with a stylish usb drive for software reinstallation duties. Certain models of macbook pros have some odd usb port behaviors. Open disk utility via your applications utilities folder. With certified data erasure algorithms, it will permanently erase your sensitive data before you sell, donate, lend, give away or dispose your mac hard drive digital device. Use disk utility to erase format a hard disk, ssd, flash drive, or other storage device. Select the hard drive you want to securely erase from the list of available drives in the left column. Jan 24, 2007 i am a mac newbie so please bear with me with this request for advice. Feb 28, 2012 before ejecting the usb drive, select empty trash if you prefer a secure erase click on the trash can and select secure erase from the right side of the screen. Josh wright over at macgasm figured out a really clever way to do just this very thing, using simply a copy of lion, a macbook air recovery usb drive, a windows machine virtual or physical and a. The computer recognizes that it is installed, and that all drivers are up to date, but not that it is a valid drive to browse through explorer.
This is a macbook air software reinstall drive usb stick that i got with my late 2010 macbook air. You still need to wipe the drive, however, or your files will remain in place, so skip to the end of this step to do so. How to delete a file in a pendrive permanently using mac quora. Whether you want to format a flash drive on your mac or convert a. Once the process is finished, you can use your newly created usb drive to boot your current pc or a different one without the use of the cd. Usb drive fails to be recognized in explorer after use by a mac i have a usb drive that is not being recognized by windows 7 home edition after it was used by a mac. Usb backup can automatically backup usb flash drives so you dont have to.
The reasons behind the problem of a usb device not showing up are various, including the usb port is not working, usb drive corruption, virus infection, macos faulty, etc. However, flash drive mac formatting and usb drivers may not be your problem. Is there a way to securely erase an ssd on my macbook air. Since it doesnt come with an optical drive, giving macbook air buyers a dvd of the operating system wouldnt be very helpful. The connected mac will appear as unknown in windows.