Hi everyone, I recently accquired a Dell OptiPlex GX150 (small desktop) for charity build. It's used, and out-of-warranty. Here are the specs:<BR><BR>- Dell i815 (Tualatin compatible) board with AGP, ...

I'm assuming the issue is that some exploit in the last year has resulted in the UEFI being revoked. Can I ignore this warning, turn off secure boot, update Ubuntu, and then turn it back on? Or do I ...