I connected my Lenovo X240 via an Ethernet cable,
I ran the command sudo pkg install GhostBSD-firmware-iwm,
rebooted and...
PROBLEM SOLVED!
[Thanks for your help, Eric.]
Now I can enjoy the latest version of GhostBSD.
emmanuel@emmanuel-ghostbsd
.....---.......--.``` -/ --------------------------
+o .--/y: +. Host: 20AM006KMS (ThinkPad X240)
yo:. :o+- Kernel: FreeBSD 15.0-RELEASE-p2
y/ -/-o/ Uptime: 6 mins
.- ::/sy+:. Shell: fish 4.3.3
/-- / Display (IVO04E3): 1366x768 in 13", 60 Hz []
: : DE: Mate 1.28.2
: : WM: Marco (X11)
/ / WM Theme: Vimix-dark-doder
.- -. Theme: Vimix-dark-doder [GTK2/3/4]
-- -. Icons: Qogir-Dark [GTK2/3/4]
: : Font: Droid Sans (10pt, Bold) [GTK2/3/4]
.-- `--. Cursor: Qogir-Dark (24px)
.---.....----. Terminal: mate-terminal 1.28.1
Terminal Font: Droid Sans Mono (10pt)
CPU: Intel(R) Core(TM) i5-4300U (4) @ 2.50 z
GPU: Intel Haswell-ULT Integrated Graphics ]
Memory: 2.69 GiB / 7.65 GiB (35%)
Swap: 0 B / 2.50 GiB (0%)
Disk (/): 23.53 GiB / 103.30 GiB (23%) - zfs