Use the driver fixes to download a better network card, then replace the 8723DE permanently. Your sanity is worth the $20. Have you successfully tamed the 8723DE, or did you throw your laptop out the window? Let me know in the comments below!
I have written this to target common pain points (Linux compatibility, Windows driver issues, and speed limitations) while remaining SEO-friendly. The Realtek 8723DE Wireless Card: Why It’s Problematic (And How to Fix It) realtek 8723de wireless lan 802.11n pci-e nic
Check your laptop's BIOS first: HP laptops often have a "Wi-Fi whitelist" that blocks non-approved cards. If your BIOS is locked, this won't work. Use the driver fixes to download a better