Adapter wireless PCI device operates extremely slowly.
Adapter wireless PCI device operates extremely slowly.
Hello everyone, here are the details about my PC setup: CPU is a Ryzen 1600 Mobo from Gigabyte AORUS AX370 Gaming, equipped with K5 RAM, Corsair Vengeance lpx 8GB DDR4 at 2400MHz. The storage includes a Samsung 860Evo 250GB SSD and a Seagate Barracuda 2TB HDD. For the graphics, it uses a Gigabyte Pascal GTX 1050ti (single fan). The power supply is a Corsair CX550w, and the case is Antec P8 with tempered glass. I have a TP link PCIe card (TL-WN881ND V2) connected via Wi-Fi. My speakers are Logitech Z120, and the mouse is Dell MS116t. The keyboard is TVS Gold Bharat. I’m using an APC BX600 UPS and a Wi-Fi router on the first floor. My PC is on the ground floor, while the router sits on the first floor. There’s a gap of about 16 feet between them, mainly due to a floor slab causing interference. Both my laptop and smartphones consistently get 13 to 15 Mbps (verified on speedtest.net) regardless of location.
The issue is that I often reach near zero speed, even after updating the Wi-Fi adapter drivers from TP Link. I suspect the problem lies with the antenna on the PCI card. Two observations:
1. When the antenna is fully tightened, speed drops to zero.
2. If I slightly loosen it and run a speed test, I get either 0 Mbps or 13-15 Mbps. This happens after many adjustments—either loosening the antenna slightly or applying pressure downwards.
3. After moving the antenna around, it fails again, and even when set to the same position, it doesn’t restore speed.
I tried placing the PCI card in a different slot, but the outcome remained unchanged. Any suggestions or advice would be greatly appreciated. Thanks!
It looks like the antenna or its connector might be damaged. I recommend returning it for repair.
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