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- Notebook Wireless and Networking
- computer dose not recognize 5g from router but does recogniz...

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09-03-2023 01:24 PM
I have a HP Notebook 15-dy0013dx OS win 10 (64). It has stopped picking up 5g from my router but still does pick up 2g. Have tried everything i.e. restarts , diagnostics, etc. Have 2 phones that pick 5g so I suspect it's a computer issue. HP resources have been no help.
09-03-2023 02:04 PM
Its specs
https://support.hp.com/au-en/document/c06418898
which does not say anything about its Wifi adapter . From its Parts list
https://partsurfer.hp.com/partsurfer?searchtext=7FU54UA
you can see it ONLY has WLAN RT BGN 1x1 +BT4.2LE M part # L21480-005 which does NOT support 5G networks.
It only has ONE antenna, you can use the following wifi adapter to be able to pick up 5G SSID networks
Regards.
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09-03-2023 02:12 PM - edited 09-03-2023 02:15 PM
Hi, @RobertUC
The parts list for your notebook indicates that it has a single band (2.4 GHz only) Wi-Fi card.
That is why your notebook cannot find or connect to any 5.0 GHz Wi-Fi networks.
L21480-005 | WLAN RT BGN 1x1 +BT4.2LE M |
That would be a Realtek RTL8723DE model card.
If you want to upgrade the card to a dual band one, that is possible.
This model would work fine.
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:
Maintenance and Service Guide HP 15 Laptop PC
PS: The Intel 3168 AC card will not work properly (Wi-Fi may work, Bluetooth will not) in your notebook because that card requires two antenna wires, and your notebook only has one.
It is not even listed as a supported card in chapter 3 of the service manual.
09-03-2023 02:39 PM - edited 09-03-2023 02:51 PM
You're very welcome.
Sorry, but that's absolutely impossible with the RTL8723DE wifi adapter.
There's no way to make it work on the 5.0 GHz band.
Please take a look at the RTL8723DE Wi-Fi card specs link I posted from Realtek's website.
General Description
The Realtek RTL8723DE is an 802.11bgn 2.4G single-chip that integrates Wireless LAN (WLAN) and a network PCIe interface controller with integrated Bluetooth 5.0 USB interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and WLAN RF in a single chip. The RTL8723DE provides a complete solution for a high-throughput performance and low power consumption integrated wireless LAN device.