Laptops dropped built-in CD/DVD drives to save space, boost battery life, and shift to downloads, streaming, and USB-C accessories.

No, most laptops don’t have built-in mobile data; they use Wi-Fi unless you add eSIM/SIM capability or connect through a phone or hotspot.

Laptops skip a dedicated DisplayPort because HDMI is expected and USB-C or Thunderbolt already carry DisplayPort over Alt Mode.

Most laptops skip LTE due to hardware cost, carrier certification, and weak demand, while Wi-Fi and phone tethering cover mobile access.

Laptop makers dropped built-in CD/DVD drives to cut size, weight, and cost as downloads, streaming, and USB installs replaced discs.

Laptops dropped optical drives to get thinner and lighter as downloads, streaming, and USB storage replaced discs.

Most laptops skip mobile data to avoid added cost, antennas, power draw, carrier approvals, and low demand.

Laptops dropped optical drives to stay thin, cut weight and cost, and because streaming, USB installs, and cloud storage replaced discs.

Laptop makers dropped DVD drives to cut thickness, weight, noise, and cost as streaming, app stores, and SSDs replaced discs.

Most laptops skip SIM card slots because Wi-Fi meets daily needs while cellular adds parts, antennas, approvals, and price.