If the official basic driver refuses to install, Windows 7’s native "Plug and Play" can often save the day. This method works for basic printing (scanning may require additional steps).
Note: This method disables most advanced features like color management presets and two-sided printing shortcuts, but standard single-sided documents will print fine. hp deskjet 2700 windows 7 driver
Before downloading, confirm whether your Windows 7 is 32-bit (x86) or 64-bit (x64): If the official basic driver refuses to install,
Wireless setup is trickier because HP Smart is required for automatic Wi-Fi configuration on modern HP printers. Here is the manual method: Note: This method disables most advanced features like