Important Info:

Refurbished with a fresh installation of Ubuntu.

Pre-installed Mozilla Firefox, a very private web browser.
I am a professional computer technician with 15 years of experience. I have tested this laptop myself and made sure it is working.Basic Specs:

Dell Latitude E5550
Intel Core i5-5300U
500 GB Solid State Drive
12B RAM 
15.6 Inch Screen
Wi-Fi
Bluetooth
Camera
Speaker
Microphone
External Headphone Jack
HDMI Video Output
VGA Video Output
3x USB Ports
Ethernet Jack
Card Reader
Ubuntu (Activated)
Tuned up for optimal performance
Security and privacy settings added
Firefox web browser
Power Adapter Included

Shipping: 

Ships in anti-static wrap
Includes proper box padding for protection