![]() ![]() The 32MB EFI partition is at the end of the USB stick, so Ventoy will write to the end of the USB stick when install and this will fail for fake USB stick.Īlough there may be no problem when you use these fake USB sticks with little data in them, there is a big risk because these fake USB sticks usually have poor quality and short lifespan. Ventoy has a special disk layout (refer USB partition layout for details). Once Ventoy is installed onto a USB drive, there is no need to reformat the disk to update it with new installation files it is enough to copy the. Close Command Box, on second screen choose Install Now, then Custom Install, then at the drive selection screen choose Unallocated Space, click Next to let it create needed partitions and start install - this makes it foolproof. ![]() efi files onto storage media to create bootable USB flash drives. SEL DIS (replace with the disk of the Windows disk from list in previous command) CLEAN. Rufus), all the data will be written to the USB stick from the beginning to the end. Ventoy is a free and open-source utility used for writing image files such as. When you write an ISO file to the USB stick with other tools (e.g. We save data to the USB stick from the beginning to the end.įor example, if a fake 64GB USB stick actually has 32GB real capacity, you will not find out that it's fake unless you save more than 32GB data to it. Normally, we don't save enough data to the USB stick.Ģ. I can boot normally by writing an ISO file with other tools, so my USB stick has no problem.ġ. My USB stick is usually used well, why do you say it has a problem? Why I don't get any problem in normal use You'd better do a fully read/write test for the USB stick to check that whether it has some hardware problems. ![]() This allows users to verify that Ventoy does not contain any malicious code. The source code is available for anyone to download, modify, and redistribute. There are many tools you can use to test the USB stick, for example h2testw/urwtest/chipgenius. Ventoy is a 100 free and open-source application. I have received many reports about fake USB sticks like this especially thoes with name Generic xxx. However, if the specific manufacturer name is not displayed in the red boxes like the above, you must be careful. When you install Ventoy, the manufacturer information will be shown in the program as follows:Īs shown in the red box above Kingston and SanDisk are well-known USB manufacturers. Don't buy USB sticks with abnormal lower price. For example, some contain bad sectors, some have a fake capacity.įor these USB sticks, there will be a high probability of failure during Ventoy installation. However, many USB sticks are fake or faulty due to various reasons. The USB stick itself must not have hardware problems in order to use Ventoy. ![]()
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