当我使用“sudo apt update && sudo apt upgrade”命令时，一切正常。但在过程结束时，出现了几行消息
Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting
Warning: os-prober will not be executed to detect other bootable partitions.
Systems on them will not be added to the GRUB boot configuration.
Check GRUB_DISABLE_OS_PROBER documentation entry.
Adding boot menu entry for UEFI Firmware Settings ...
我想知道这是我的笔记本电脑的问题还是正常现象。