Hi, I have a similar question. I have a Realtek RTL8723DE 802.11b/g/n PCIe Adapter on an HP 15-db1903ng laptop. I would like to update my laptop to the 5g band. My router already supports it and I can access the dual band with other devices. I would highly appreciate useful advice. Many thanks.
Be alert for scammers posting fake support phone numbers and/or email addresses on the community. If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".