The Wayback Machine - https://web.archive.org/web/20220705073752/https://boards.dingoonity.org/retro-game-350rg-350/nec-pc-9801-and-pc-9821-emulator-np2kai/

Do not guess. Two different WiFi chipsets were used in this model.

Since different batches of the L 1044 might use different Wi-Fi cards, follow these steps to see what you need: Fix Wi-Fi connection issues in Windows - Microsoft Support

Once you have downloaded the driver file (usually a .exe or .zip file) on a computer with internet access, transfer it to your HCL laptop using a USB flash drive.

Open CMD as Administrator and type: