WiFi problems on new PC

samcorn

New member
Hi all

I received a new desktop from PC Specialist around a week ago, specs are as follows:
CaseCORSAIR iCUE 5000X RGB MID TOWER GAMING CASE
Processor (CPU)Intel® Core™ i7 16-Core Processor i7-13700F (Up to 5.2GHz) 30MB Cache
MotherboardASUS® PRIME B760-PLUS D4 (LGA1700, DDR4, PCIe 5.0)
Memory (RAM)64GB Corsair VENGEANCE DDR4 3200MHz (4 x 16GB)
Graphics Card12GB NVIDIA GEFORCE RTX 4070 Ti - HDMI, DP, LHR
1st M.2 SSD Drive2TB SAMSUNG 970 EVO PLUS M.2, PCIe NVMe (up to 3500MB/R, 3300MB/W)
DVD/BLU-RAY DriveNOT REQUIRED
Power SupplyCORSAIR 850W RMx SERIES™ MODULAR 80 PLUS® GOLD, ULTRA QUIET
Power Cable1 x 1.5 Metre UK Power Cable (Kettle Lead, 1.0mm Core)
Processor CoolingCORSAIR iCUE H100i ELITE LCD XT RGB CPU Cooler
Thermal PasteSTANDARD THERMAL PASTE FOR SUFFICIENT COOLING
Sound CardONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Network CardONBOARD LAN PORT
Wireless Network CardTenda AX5400 WiFi 6E (802.11ax) (6GHz) BT 5.2
USB/Thunderbolt OptionsMIN. 2 x USB 3.0 & 2 x USB 2.0 PORTS @ BACK PANEL + MIN. 2 FRONT PORTS
Operating SystemWindows 11 Home 64 Bit - inc. Single Licence

No complaints about the build quality, everything seems to be working fine apart from anything network related. The issue is that I just can't get a stable connection to my home WiFi. For example, when playing a game I seem to idle at my normal ping (20-30), but as soon as I shoot or move, my ping spikes up to >300 and I experience lots of packet loss. This also seems to happen when downloading games, I tried downloading Hogwarts legacy, and at some points I was getting my usual download speed (100mb/s), but it would periodically go below 10kb/s. The connection itself will also just cut out completely from time to time - I had to restart the Hogwarts Legacy download about 4 times before it completed.

I have spoken to PC Specialist support and let them have remote access to the PC, and the person I spoke to said that everything software related looked fine, he checked all the drivers & also reset a few things in command prompt but I'm still having the same issue. Following the phone call, I was under the impression that it must be a hardware issue, however I double checked and the antennas for the network adapter were plugged in correctly. After that I decided it must be a faulty WiFi card, and so I plugged in a USB network adapter, but that adapter had the exact same problem. I have also logged in to my router settings page, and everything looks fine on there. Also just to clarify, it has nothing to do with the location of the new PC, it is in the same location as my old PC, which has no connection issues.

Has anyone got any solutions? My next step is to send the system back to PC Specialist but I would like to avoid that if possible, given that I don't think its a hardware issue. If you need any more details/screenshots I am happy to post them, thank you in advance :)
 

SpyderTracks

We love you Ukraine
Can you post a screenshot of your optional updates page?

Also, if there are any cables (power, usb etc) dangling near the antenna, move them and secure them away from the antenna just as a test, does your connection improve?

What anti virus are you using? Are you using any VPN?

Make sure the network profile is on private and not public in windows
 

samcorn

New member
Can you post a screenshot of your optional updates page?

Also, if there are any cables (power, usb etc) dangling near the antenna, move them and secure them away from the antenna just as a test, does your connection improve?

What anti virus are you using? Are you using any VPN?

Make sure the network profile is on private and not public in windows
Do you have any cables close to the WiFi card antennas, I had trouble with WiFi on my major a few weeks back and ended up getting one of these
Nelawya Dual Band WiFi Antenna... https://www.amazon.co.uk/dp/B0B31BZN7X?ref=ppx_pop_mob_ap_share
To answer the first few questions, there are no cables near the antennas, all USBs are connected at the top of the PC, and the DP ports at the back are underneath the antennas so I don't think that would be affecting it. I have also attached a screenshot of my optional updates - there are none :(. I am not using a VPN, and I did try disabling the anti-virus but nothing changed.

I hadn't tried changing the network profile, however changing it to a private network actually seems to make it worse.

If anyone has any other suggestions I'll try anything.
 

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