Replace the old mechanical hard drive with a SATA SSD . This single upgrade makes Windows 10 fly on the Inspiron 1440, compensating for driver inefficiencies.
Note: Direct links change over time. Search Dell Support by Service Tag or use the following filenames. dell inspiron 1440 drivers for windows 10 64 bit
Without a chipset driver, USB ports may act erratically, power management fails, and PCI devices remain unrecognized. Replace the old mechanical hard drive with a SATA SSD
If manual searching feels overwhelming, consider these tools (use with caution): USB ports may act erratically
If Windows Update failed to install Wi-Fi: