I think most likely you have a faulty USB stick or a bad copy of the ISO. A very common problem I encounter myself... Please try with a different USB stick.
Also, after downloading a new version of Ubuntu you should verify it using the 'sha256sum' tool and compare the result to what the download page says it should be. ** Tags added: hirsute ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** No longer affects: boot (Ubuntu) ** No longer affects: focal (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1929340 Title: Black screen ubuntu hirsute live usb Status in linux package in Ubuntu: Incomplete Bug description: My computer cannot start Ubuntu Hirsute Hippo (21.04). The grub selection appears, but then a black screen appears reading endlessly. Radeon HD 3000 RS780L To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1929340/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp