My laptop no longer connecting to 5 G wireless band

[GeorgetteG]

Hi guys,

Since a few days ago my laptop is suddenly slower and no longer connecting to my 5G wireless router band.  It is instead choosing to connect to 2.4 G band, which is too slow for me.  I don't know if after the Microsoft Windows 11 upgrade, there is a new driver I need to install or something but I do need help.  I would sincerely appreciate your assistance.

Thank you in advance.

[Paul_Tikkanen]

Hi:

Your notebook is not capable of connecting to the 5 G Wi-Fi band.

It comes with a single band (2.4 GHz only) Realtek RTL8723DE Wi-Fi adapter.

Below is the link to the specs on that model Wi-Fi adapter.

RTL8723DE - REALTEK

If you are interested, you can replace the RTL8723DE Wi-Fi adapter with this dual band AC model:

Realtek RTL8821CE 802.11 ac 1x1 Wi-Fi + Bluetooth 4.2 Combo Adapter (MU-MIMO supported) HP part # L17365-005.

The card has a maximum throughput of 433 MBPS on the 5.0 GHz Wi-Fi band with an AC router and an excellent signal.

You can find this model on eBay, or Ali Express. 

I see some Intel 3165 cards listed on the eBay listings, so don't buy those.

https://www.ebay.com/sch/i.html?_from=R40&_nkw=L17365-005&_sacat=0&_sop=15

RTL8821CE - Buy RTL8821CE with free shipping on AliExpress

On the Ali Express listings, make sure the card has the HP Part # of 915620-001.

Below is the link to the service manual, where you can find the Wi-Fi card removal and replacement procedure.

HP 15 Laptop PC (Intel)HP 15g Laptop PCHP 15q Laptop PC Maintenance and Service Guide

[GeorgetteG]

Thanks for such prompt and detailed reply to my support inquiry.  The card replacement seems like a bit of a complicated of  process to me.  Hence I was wondering if something this simple might work too?

https://www.amazon.com/gp/product/B07YKB33TJ/ref=ask_ql_qh_dp_hza

[Paul_Tikkanen · Accepted solution]

You're very welcome.

Yes, a dual band USB device such as that one will work fine.

[GeorgetteG]

Thank You.  Have a goodnight.

[Paul_Tikkanen]

Anytime.

Glad to have been of assistance.

You have a good night too.

[Johnharper241]

You can also right-click on the adapter in Device Manager, click Properties and then switch to the Advanced tab. You'll see a list of properties, one of which should mention 5GHz. If you don't see an option to enable or disable 5GHz, either your adapter doesn't support it, or the wrong drivers are installed.