Query: For a replacement laptop, I would choose an Apple macbook
Apple MacBook Air 13.3in LED Laptop Intel i5-5250U Dual Core 1.6GHz 4GB 128GB SSD Early 2015 - MJVE2LL/A (Renewed)
(Renewed) Apple MacBook Air MJVM2LL/A 11.6 Inch Laptop (Intel Core i5 Dual-Core 1.6GHz up to 2.7GHz, 4GB RAM, 128GB SSD, Wi-Fi, Bluetooth 4.0, Integrated Intel HD Graphics 6000, Mac OS)
Apple MacBook (MMGL2LL/A) 256GB 12-inch Retina Display (2016) Intel Core M3 Tablet - Rose Gold (Renewed)
(Refurbished) Apple MacBook Air MD760LL/A 13.3-Inch Laptop (Intel Core i5 Dual-Core 1.3GHz up to 2.6GHz, 4GB RAM, 128GB SSD, Wi-Fi, Bluetooth 4.0)
Early 2015 Apple MacBook Air with 1.6GHz Intel Core i5 (11.6 inch, 128 GB SSD, 4 GB RAM) Silver (Renewed)
(Renewed) Apple MacBook Air MD711LL/A 11.6-inch Laptop - Intel Core i5 1.3GHz - 4GB RAM - 128GB SSD