1) Update driver WiFi dari vendor resmi
- Intel/Realtek/Qualcomm sesuai chipset.
2) Matikan power saving adapter
- Device Manager → Network Adapter → Properties → Power Management → uncheck.
3) Reset network
- Settings → Network & Internet → Advanced network settings → Network reset.
4) DNS
- Coba 1.1.1.1 dan 8.8.8.8 untuk tes.
5) Router side
- Ubah channel (2.4GHz), pisahkan SSID 2.4/5GHz, update firmware.