I'm having trouble with my internet speed since Windows keeps adjusting it.
I'm having trouble with my internet speed since Windows keeps adjusting it.
PC Specifications:
Processor: Intel I9 10900KF
Cooler: ThermalRight Assassin X 120 Refined SE
Motherboard: Asus Prime H410M-K
Memory: 32GB at 2666MHz
Storage: 1TB Crucial (SATA)
Graphics: SPARKLE Intel® Arc™ A750 ORC OC Edition, 8GB GDDR6
Power Supply: Hummer Alpha 600W Bronze
Case: AeroCool Cyclon
Operating System: Windows 11 Pro
Display: LG UltraGear 32GS60QC-B 31.5" LED VA QHD 180Hz FreeSync
Hello everyone, I'm experiencing issues with my network adapter.
I navigated to the advanced properties and adjusted the Speed & Duplex settings from Auto Negotiation to 1GB Full Duplex, then applied the changes. After about ten seconds, the speed automatically reset back to 100MB...
This behavior hasn't happened before for me (or it was quite simple to fix), but this one seems to be bothering me...
You're actually quite fortunate it hasn't completely failed. The issue seems to be more about a faulty or subpar cable rather than any problem with your 1gbit setting when technical issues arise. You should always keep the setting on auto. The positive side is that the likely cause is just a defective or low-quality cable. Today there are many fake cables available, and the flat ones are the most prevalent. Even a genuine cable can be damaged if one of its wires is slightly cracked at the end. You don't need anything special—Cat5e supports 1gbit, Cat6 works if you can find it at a lower price but won’t perform better. The key is to look for cables made with pure copper wire and having a wire size of 22-24 AWG. If you can't clearly see this information in the listing, consider checking another vendor. Trustworthy sellers are aware of the fake products and want to assure you they're genuine.
Oh, so that implies adjusting the cable could be the answer then... But also, why keep it in auto mode? I looked around and modified the adapter settings to optimize my internet connection, and changing the speed&duplex setting was a common approach.
The reason specialists recommend altering the speed or duplex is because they don’t grasp how it should function. Pushing changes isn’t always the right solution. The decreasing link speed indicates something is amiss. Pay attention to this. Begin with a brand new, 100% copper, round, factory-made, 24GA wire—Cat5e or Cat6a cable directly from your PC to your main router. Test it on the floor for verification. Once confirmed it maintains 1GE, gradually reintroduce network devices. When referring to "network components," consider cables and switches. Replace one at a time to pinpoint the issue.
The official guidelines require both ends to be configured as auto or to match in speed and duplex settings.
Issue arises because most consumer routers lack the option to manually set speed and duplex, operating only in auto mode.
Auto mode functions by having both devices communicate speeds via voltage and resistance, a process handled by hardware rather than software commands.
Setting speed manually disables this communication method.
The challenge emerges when one device is auto and the other isn’t; it anticipates the signal but fails to receive it.
Typically, the port defaults to a standard setting—such as 10mbps half duplex—but newer ports supporting speeds like 1gbit or 2.5gbit may cause mismatches.
This inconsistency can lead to unexpected behavior where one end defaults to a higher speed while the other is manually adjusted.
Such deviations occur because many consumer devices don’t adhere strictly to standards, resulting in unpredictable outcomes when manually adjusting speeds on a computer.
When specifications aren’t followed consistently, inconsistent information spreads online, with users reporting varying results based on their router or chipset compatibility.