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+--- Thread: Ventoy Boot problem (/showthread.php?tid=1697)
Ventoy Boot problem - MORKAS - 06-03-2021
Greetings, I would like to ask about a question I have. I have created a 1 Tera pendrive, with the Ventoy program, version 0.45. But when I try to boot from the pendrive, instead of leaving the ISO selection window, to install ... I get a window in CMD, which I attach a screenshot. I don't know what it is, in a previous version, Ventoy had worked very well for me, it started in the iso files selection menu ... but now, I don't know if it will be because of the size of the pendrive, but it doesn't start me ... .Thank you
![[Image: IMG-20210530-211150.jpg]](https://i.ibb.co/YbvXKHL/IMG-20210530-211150.jpg)
RE: Ventoy Boot problem - longpanda - 06-04-2021
Legacy BIOS mode or UEFI mode?
Does it boot OK if you use a small USB stick?
Maybe because of: https://www.ventoy.net/en/doc_legacy_limit.html
RE: Ventoy Boot problem - MORKAS - 06-05-2021
Thank you very much for the answer, so, in that explanation, does it put a solution? .. I will try, and yes .. it could be due to what it explains. I will try to do what it explains, although let's see if I understand, because I have several PCs and laptops, and I would be interested if it works in all types of bios, because having 1 Tera of capacity, I can have the iso of the systems, and all the programs that I have in that unilo pendrive..a greeting
RE: Ventoy Boot problem - MORKAS - 07-16-2021
(06-04-2021, 10:19 AM)longpanda Wrote: Legacy BIOS mode or UEFI mode?
Does it boot OK if you use a small USB stick?
Maybe because of: https://www.ventoy.net/en/doc_legacy_limit.html
Greetings mate, I have been trying to understand the procedure described in the link that you gave me, and I do not understand it very well.
I explain:
On my 1 Terabyte usb stick, when I install Ventoy normally, I see that it does the installation, and in the program window, it shows me the installed version, but nevertheless, it does not create the 2 partitions, and if I start the program again, I see that it does not detect the installation of ventoy in that pendrive.
So, in the post that you have put me, it talks about copying a file in a partition manually, but ... do I have to create 2 partitions by hand? for example to see if what I am understanding is correct.
I format the pendrive, I create 2 partitions from windows, one of for example 32 gigabytes, and the other with the rest of the USB capacity (it is 1 Tera), then I copy the only file that they comment on in that explanation to the small partition? Is that so? ... well I can try to see if I can make it work like this ...
RE: Ventoy Boot problem - nguyen ha thai trong - 07-18-2021
Ventoy always creates 2 partitions, one 32mb fat partition and the other. But ventoy is designed to hide 32mb fat partition, so you see only 1 partition. You create 2 partitions yourself and then copy the file as you presented. non-standard ventoy should be stopped at grub shell. In addition, ventoy2disk has an option to add a 3rd partition
RE: Ventoy Boot problem - Steve2926 - 07-18-2021
Many 1TB flash drives are fake and do not contain 1TB of memory.
If you cannot see two partitions using a utility such as EaseUS Home Partition Master or RMPrepUSB - Drive Info, then you probably have a fake!
If it was very cheap you probably have a fake.
Test it using FakeFlashTest.exe or RMPrepUSB.exe - Quick Size Test
RE: Ventoy Boot problem - MORKAS - 07-18-2021
(07-18-2021, 08:56 AM)Steve2926 Wrote: Many 1TB flash drives are fake and do not contain 1TB of memory.
If you cannot see two partitions using a utility such as EaseUS Home Partition Master or RMPrepUSB - Drive Info, then you probably have a fake!
If it was very cheap you probably have a fake.
Test it using FakeFlashTest.exe or RMPrepUSB.exe - Quick Size Test
Well that's going to be it, which is a fake, well I bought it on Amazon, what a deception. I put a screenshot of the usb test program that you commit to me.
Even so, I could create 2 partitions manually and try? Even if I lost space? I say it to take advantage of the pencil, thanks
(07-18-2021, 08:56 AM)Steve2926 Wrote: Many 1TB flash drives are fake and do not contain 1TB of memory.
If you cannot see two partitions using a utility such as EaseUS Home Partition Master or RMPrepUSB - Drive Info, then you probably have a fake!
If it was very cheap you probably have a fake.
Test it using FakeFlashTest.exe or RMPrepUSB.exe - Quick Size Test
Look, however, in the windows disk manager, if the 32-megabyte partition appears, how strange, right?
RE: Ventoy Boot problem - Steve2926 - 07-21-2021
The 2nd partition is listed as RAW, i.e. unformatted. Probably because there is no memory there!
RE: Ventoy Boot problem - MORKAS - 07-21-2021
(07-21-2021, 07:25 AM)Steve2926 Wrote: The 2nd partition is listed as RAW, i.e. unformatted. Probably because there is no memory there!
Thank you very much, in the end I have to understand that the 1 Tera pendrive is very bad.
A question, for example one of 128 gigabytes, would it be valid to avoid the problem of booting in the 2 systems, UEFI and LEGACY? Because if so, I will buy a good one of 128 gigabytes, thanks, greetings
RE: Ventoy Boot problem - Steve2926 - 07-21-2021
Yes, 128Gb Sandisk Extreme Pro USB 3.1 is the best drive to choose (not the cheaper 'Go' version).
If that is too expensive, check the Crystal DiskMark 4K Random I/O benchmark figure before buying - it should be at least 1MB/s.
Many 'fast' USB 3 drives have very poor 4K random I/O figure - so beware!