Change the icon of a flash drive or any kind of removable disk which use to store data, is very easy.
Just try this,
1. Open Notepad and copy and paste below 2 lines to it.
[autorun]
Icon=logo.ico
2. Save it as autorun.inf to your flash drive
Before to click Save as… change Save as type to All Files
3. Then copy and paste your Icon file to flash drive
4. Rename it to logo.ico
5. Remove your flash drive from the PC and plug again
You will see your flash drive with a custom icon
For more and clear information check related links below,
To safely remove a flash drive from an iMac, first ensure that no files on the drive are currently in use. Then, locate the drive icon on your desktop or in Finder, right-click on it, and select "Eject." Alternatively, you can drag the drive icon to the Trash, which will change to an Eject symbol. Once the icon disappears from the desktop, you can safely unplug the flash drive.
Plug the flash drive into one of the iMac USB ports. An icon will appear on the desktop. Right click the icon and then click open. If it does not appear on the desktop open finder and look for the flash drive on the far left under devices. Click it and it will open.
Just resave the file. The flash drive is represented as an ordinary file system. If you can change the date of a file on a hard drive, then you can change it on a flash drive.
Plug the USB flash drive into your iMac. Wait for the icon for the drive to appear on your desktop. Right click the icon and then click open.
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As long as it shows up as some sort of icon or file, it may be put on the flash drive, but there must be space available in the flash drive.
Sure, just click the icon and then open.
If Windows, there is a small icon in the bottom task bar which, when clicked on, will unmount the flash drive and tell you when it is safe to remove the flash drive. In Linux, the drive is unmounted before removing. The idea is to ensure that any writing to the flash drive has been completed and the drive can be removed without corruption.
In the My Computer window, a user can find the icon for an attached USB flash drive under the heading "Devices and drives." This section displays all connected storage devices, including hard drives, USB flash drives, and optical drives. The USB flash drive is typically represented by its brand name or a generic icon indicating removable storage.
you change the folder you want to save it to. when it ask you were you want to save it you change to your flash drive
simply reformat
An icon will appear on the desktop. Double click to open it.