Then with the drive back inside his mac he was able to reformat the drive using either a os install dvd the system came with grey disk or the retail version. In the file system list box, choose exfat, type in. To back up your data, insert the usb drive into the computer you used with the drive and copy the contents of the drive to the desktop or a folder on the computer. Mac wont recognize a badly damaged flash drive or external hard drive since there is no way to show it up, even temporarily, which makes the data recovery difficult. How do i safely remove a usb device from my computer. I have a usb drive that i purchased and use with various pcs at work and school. Ok, how your ready to use disk utility from the usb thumb drive to fix your disk. For example, if you install macos or microsoft windows on a usb drive, your mac can recognize that drive as a startup disk. Right clicking the drive and selecting get info displays the permissions as custom. How to quickly create a macos bootable usb on windows 10. If your integral usb has a security or zip software preloaded integral splash, secure. Choosing the best format to work between macs and pcs with a flash drive. I cant copy to my flash drive or another hard drive because its lockedhelp. Please back up all your data before you format the usb drive.
Click the icon of the disk you normally use to start up your computer. In fact, the external usb drive is not formatted for use with your mac. Help stuck in disk utility, no os, hardrive locked. Install, boot, and run mac os x from an external hard drive. But there are some situations that you cant delete the file, and you need extra solution to delete.
The size of some of these files can exceed the 4 gb file size limit, so we are unable to copy such files to the omars. To factory reset your device, however, click disk utility at the bottom of the list. Each time you finish using your flash drive and want to unplug it from your computer to take it with you, it should be ejected. How to format external hard drive on mac compatible with windows, mac, time machine duration. You want to do this before creating the bootable media because there is a good chance that the drive was formatted using a windows device. Feb 21, 2020 the incompatibility of the file system is the main cause of the errorexternal hard drive read only on mac. I copied a movie on to a usb flash drive from my windows computer. Generally when you want to delete files and folders from your flash drive on computer it was big issue. Usually, you can delete files and empty trash on mac by following above steps. If your mac is from before 2009 or never had os x lion, click here to jump to the next section. If that wont work, run the command below in terminal and tell me what it says. The simplest way to install macos or os x on a new hard drive is by using internet recovery mode. Jun 30, 2012 so, to reset that partition and fix that locked issue click on the hard drive the line with manufacturers info, then click the partition tab. How to start up your mac from an external usb storage device.
Format a flash drive for both mac os x and windows youtube. Use the following steps, you can easily set mac boot from an external drive in startup manager, so itll only boot from usb that one time. So, to reset that partition and fix that locked issue click on the hard drive the line with manufacturers info, then click the partition tab. Solving read only external drive problems on your mac.
So im stuck, i wanted to start my mac from scratch with a fresh install of ei capitan but now my hard drive is locked. Select the capacity of the drive respective to the one containing the device you wish to format then click the erase tab. Recover deleted or lost data from usb flash drives of kingston, toshiba, sandisk, pny, sony, etc. Pny pro elite comes with a speed up to 400 mbsec and 250 mbsec, read and write speed respectively. Now click on programs and select programs and features. If your usb thumb drive, usbbased external disk or flash storage contains a usable operating system or an os x installer, you can select it at boot time using os xs builtin feature called startup manager, which can be invoked via a simple keystroke.
A broken mac computer with mac os x or macos version 10. Each physical drive is shown with the partitions of that drive nested below. Ntfs is a file system that is optimal for windowsbased computer. Use the option key during the restart to then select this drive as the boot drive. I use the omars lightning flash drive mostly to transfer movies i own to our ipads for travel. 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. Be prepared for harddrive failure, now is the time to use it. I was unable to disable the write protection on my flash drive. If the format of the omars usb drive could be ntfs, larger files would transfer with the appropriate software, on a mac. If the padlock is locked then click it, enter your password if you have one and click ok. Locked as you can only read in the finder macos osxyosemite. Once you get the similar messages like the following ones when using the sandisk flash drive, it means the pen drive becomes readonly and write protected. Over the years pny pro has been recognized as one of the best flash drive in terms of speed. Anyone with your mac can bypass your password unless you.
In the file system list box, choose exfat, type in a volume label. If your mac starts up to a question mark apple support. To back up your data, insert the usb drive into the computer you used with the drive and copy the contents of the drive to the desktop or a. I am able to open the drive and can even copy files from the. Xinber usb flash drive 256gb, iphone flash drive usb 3. How to start up your mac from a bootable cddvd, usb thumb. Rightclick or controlclick the drives icon in the finders sidebar or on your desktop and select get info.
How to format a flash drive to work on os x and windows. By default, mac starts from its builtin hard disk, but a startup disk can be any storage device that contains bootable contents that compatible with your mac. If you see flash drive listed under the usb hub the usb flash drive is detected properly. How to reinstall macos if recovery wont work macworld uk. Sep 14, 2015 how to start up your mac from an external usb storage device. How to install macos or os x on a new hard drive for your mac.
Youll see the drives file system displayed to the right of format under the general heading. This will open the mount point for all drives connected to the mac computer. The device is ejected to ensure that nothing is being written to the memory card when its removed. This mode is only available on apple computers made after 2009 that were running os x lion or later. 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. Its quite easy to do on a mac, and learning how to do it can help you keep. You will get a notice said the item folder name could not be moved because usbhdd cannot be modified.
Try using the partition button and select 1 partition. Aug 05, 20 how to format external hard drive on mac compatible with windows, mac, time machine duration. If the drive is called no name, directly above that, you should see the drive capacity of xxxx. Mac system is not support this format, os x cant write ntfs out of the box at least not without some tweaks. If you see a warning says the device is only being mounted in readonly mode while connecting, your hard disk is diagnosed to have formatting errors that prevent you from writing files to it. If you previously created an emergency drive see mac troubleshooting. When trying to access a hard drive you notice that its icon has a locked padlock on it.
In the lefthand side inside of disk utility you will see a list of all the connected hard drives. Find your home folder and right click it, then select get info. Eject stop use of your flash drive when you have finished using it. Also, are you using a thumb drive or directly from the mac. Once you have created the bootable recovery usb drive. Turn on your mac or restart your mac if its already on. Cant open usb flash drive in windows 10 microsoft community. How can i unlock my mac book air if i dont remember the 6. If the drive is called no name, directly above that, you should see. How to boot a mac from usb drive with pictures wikihow. Before you dive into this guide, youll need a few things.
Works with my pc and my mac this was a great price for a great flash drive which i was able to download and mac os to allow me to image my macbook pro when i swapped the hard drive for a ssd drive and worked flawless. Here we list some conditions and solutions to help you delete unwanted files permanently and speed up your mac. Many mac computers have usba ports sometimes referred to as usb 3 ports, which look like this. In the screenshot below, the drive is formatted with. Usb is an industry standard for connecting computers and other devices. Use this feature to control whether your mac can start up from an external hard drive, thumb drive, or other external media. Mac using a usb flash drive to back up your data files. This method should work on all apple computers and with all recent versions of mac os. The problem is that your drive is windows ntfs formatted by default.
How to create a gpt partition on a usb flash drive. The last chance for you to rescue data is to send the broken usb drive to a specialized data recovery service center nearby, and let the professionals try their best. Formatting a flash drive erases all data currently stored on it. Jul 05, 2017 rightclick or controlclick the drives icon in the finders sidebar or on your desktop and select get info. You can reformat a hard drive on mac os x by using disk utility. If this is the case, chances are that its using a mbr partition, and the usb drive needs a gpt partition to. Because lot of time when you connect your flash drive to another computer its receive some virus that effect your flash drive. Reboot the computer after uninstall process has finished. If you have already saved anything on the drive, back up the data before you format the flash drive. Rightclick your flash drive and then select format. Its impossible to completely protect any device from an attacker with physical access. If you set a firmware password, youll need to enter it before booting into recovery mode or holding the option key to boot from a different device. The other way would be using an external bootable osx drive usb, firewire or thunderbolt.
You can verify is the drive is mounted by selecting go go to folder from the file menu and typing volumes note. A usb flash drive or other removable data storage medium is widely used for storing and transferring data from an imac, macbook or mac mini. But, unless you set up your mac properly, it just takes a reboot and a few seconds to bypass your password or wipe your hard drive. Password protected flash drive for mac free downloads. Once disk utility has opened on your display, youll see a list of your computers installed disks on the left side of the disk utility panel. For all the talk about security vulnerabilities, the ability for anyone to quickly change a macs password is rarely. How to install os x after formatting your hard drive. In this video i show you how to reinstall mac os x on your apple computer. If your mac displays a flashing question mark for a few moments but then continues to start up, you might need to reselect your startup disk in system preferences. Feb 27, 2020 learn about connecting usb devices to your mac.
Make sure to run fix permissions first a few times until. Anyone with your mac can bypass your password unless you do this. Macbook hard drive was wiped installed macos base system and when trying to reinstall macos sierra hard disk is now locked, how do i unlock the hard disk to reinstall macos sierra. Generally, when you insert in a usb flash drive, it will be mounted in disk utility and on desktop.
Most flash drives have a slider that lets you change its locked state while it is not connected to anything. Use the arrow keys to select which drive to boot from and then simply press enter. Mar 24, 2020 if your mac displays a flashing question mark for a few moments but then continues to start up, you might need to reselect your startup disk in system preferences. Usb flash drive memory card not detected on mac usb port. Uninstall the device drivers from program list in control panel. How to open an external drive thats not showing on mac. Jul 31, 2018 by default, mac starts from its builtin hard disk, but a startup disk can be any storage device that contains bootable contents that compatible with your mac. In the screenshot below, the drive is formatted with the exfat file system. Cant reinstall macos because disk is locked 2nd hand macbook. Although the mac operating system allows you to read the files on external hard drive, you cant write files to it because the way that ntfs writes data to the device is.
Another common cause for the external hard drive read only problem on mac is the formatting errors of the storage device itself. Back in the days before mac os x lion launched in 2011 there wasnt a recovery partition, instead you needed to have a physical disc with the software on it and an optical drive to insert it into. Someone could still rip the hard drive out of your mac and access its files on another device if you just use a firmware password without encryption, however. Is there a way i can get the password or log in without this step or even reinstall the system. Mar 30, 2020 on the left, rightclick the usb flash drive, select the format disk for mac option. Highlight the physical drive you wish to reformat and on the menu at the top to the right select erase. Choose system preferences from the apple menu, then click startup disk. Click the drop down to change partition type to 1 partition, give it a name, if you like, and click the apply button.
Mac files wont copy to external hard drive how to fix. The other thing to check, especially for any of 8 gb or more, is if it was formatted exfat at the factory. If you still cant boot from the usb flash drive, verify that you created the mac os installer on the usb flash. Hello all, i got a message reading the disk is write protected whenever i inserted my sandisk pen drive to my computer. Cannot delete a file on a windows usb flash drive on a mac. One high quality usb flash drive with 16gb of storage. Assuming you dont need any data off the drive, try opening disk utility form the recovery screen and go to the erase tab then format macintosh hd to mac os extended journaled. On the left side of the window are the drives connected to the computer. Dec 08, 2016 in this video i show you how to reinstall mac os x on your apple computer. Select the check box delete the driver software for this device. How to delete files from flash drive on mac keepthetech. In disk utility should be an unlock option in the file menu. Every computer user dream is to have a usb flash drive with the fastest read and write speed. Some usb devices, such as a flash drive or a memory card connected with a usb card reader, must first be ejected before they can be removed from your computer or shut off.
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