Problems With Internet

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MiniWilford

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Jul 23, 2017
10
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510
So I recently have bought a new setup, a USB wifi Adapter, named NIGHTHAWK AC1900 WIFI USB ADAPTER, and a router named NETGEAR Nighthawk X4S, they have provided no problems.

Until recently, after one friday when I left my computer on sleep, later that night for the first time my wifi signal went to just a dot, and soon I lost internet access. This happens randomly.

Problems that seem to temporarily fix this, is to do ipconfig /release, ipconfig /flushdns and ipconfig /renew. After this it will be fine with no problems until it randomly happens again.

I have also tried the basic stuff, rebooting router, restarting the pc. And also reinstalling and deleting drivers for my USB.

NOTE: I am using 5ghz internet.
Also when this happens I can not access wifi settings, it will freeze and if I remove the adapter the PC goes 10x slower.

If anyone can help me find the solution to this, it would be greatly appreciated!

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Specs
MOTHERBOARD: MSI Z270-A Pro ATX w/ USB 3.1, 2 PCIe x16, 4 PCIe x1, 6 SATA3, 1 M.2 SATA/PCIe [Intel Optane Ready]

CPU: Intel® Core™ Processor i7-7700K 4.20GHZ 8MB Intel Smart Cache LGA1151

VIDEO: GeForce® GTX 1070 8GB GDDR5 (Pascal)[VR Ready] (Single Card)

HDD: 120GB WD Green SSD + 3TB SATA III Hard Drive Combo

MEMORY: 16GB (8GBx2) DDR4/2800MHz Dual Channel Memory(Patriot Viper Elite)

OS: Windows 10 Home (64-bit Edition)

POWERSUPPLY: 600 Watts – Enermax Revo DUO series 600Watts 80 Plus Gold (Dual Fans)

 
Solution
Darkbreeze
So, a few things on that that might be of interest. Or not.


The biggest advantage of 5 GHz 802.11n over 2.4 GHz is that the former’s not susceptible to interference from the myriad wireless devices you might encounter in a typical home or office. Cordless phones (older ones rather than today’s 1.9 GHz DECT-based models), Bluetooth devices, microwave ovens , baby monitors, alarm systems, wireless speakers, or any other device that emits RF signals at 2.4 GHz can wreak havoc with a Wi-Fi network running on the that frequency.

By contrast, a network operating at 5 GHz sits peacefully above the fray where interference from other wireless devices is virtually non-existent.


A 5 GHz network (which actually uses a wide frequency range...
Click to expand...
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MiniWilford

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Jul 23, 2017
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The router was up to date , and I have already tried updating and removing the current drivers for my wifi adapter.But I did it again in case, I will wait and see if the problem persists later tonight.
 
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MiniWilford

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Jul 23, 2017
10
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510


Thought it fixed itself, did it again after 3 days. Don't know why.
 
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Darkbreeze

Darkbreeze

Retired Mod
Jun 24, 2014
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After doing some research into that specific network adapter it turns out that a lot of people have expressed some very real concerns about problems with it. How long ago did you buy this and is it possible for you to return it?

I'm almost, not 100%, but almost willing to say that the problem is likely the adapter itself since it DID work for a while and then just started having problems out of the blue. That usually means it's not a driver or configuration problem, but a hardware issue. I'm thinking you can get a cheap micro adapter or something temporarily just to see if you have problems with that too, or if the problem goes away.

If you still have issues with a different adapter then it's likely a router issue. Also, are there other devices that connect to this router without any issues? Is it possible to connect directly to it temporarily using an ethernet cable to see if the problem is only a wireless problem or if the router has general connectivity issues?
 
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MiniWilford

Prominent
Jul 23, 2017
10
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510


Alright, ill look into returning it I guess, never had this problem with any other adapter from what I known, thanks for shedding some insight. Also, it is not possible to connect it to the router through an Ethernet due to me being too far away. No other issues with other devices on it though.
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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EXACTLY which NETGEAR Nighthawk X4S model do you have? There are about five different ones.

You might also find this informative for future reference. Specifically the links to the information on MU-MIMO and Beamforming technology, at least for future reference but also possibly as a factor in considering what sort of of permanent wireless adapter to get. Just FYI mostly.

http://www.tomshardware.com/answers/id-3608227/access-2nd-router-setting-page.html#20556137
 
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MiniWilford

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Jul 23, 2017
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510


The model number is A7000
 
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MiniWilford

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Jul 23, 2017
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I can't read, the router's model number is #R7800
 
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Darkbreeze

Darkbreeze

Retired Mod
Jun 24, 2014
80,411
7,631
176,790
Well, that's an excellent unit that DOES have MU-MIMO and Beamforming. For best results you want a wireless adapter that also has beamforming, which your other unit does not from what I read.

There are practically very few negative reviews of that router, so I think you are in most excellent shape there unless there is actually something physically wrong with the unit, which is possible, but problems with adapters are a lot more common than failures with high end routers.
 
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M

MiniWilford

Prominent
Jul 23, 2017
10
0
510


So I have talked to one of my brothers and he has a different wireless adapter than me, he has this problem also, but not as frequent and he does not lose signal strength, but loses internet access. We both only use 5ghz wifi and the 2.4ghz does not have this problem what so ever. Could it be because we have a separate network for 5ghz and one for the normal wifi?
 
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Darkbreeze

Darkbreeze

Retired Mod
Jun 24, 2014
80,411
7,631
176,790
So, a few things on that that might be of interest. Or not.


The biggest advantage of 5 GHz 802.11n over 2.4 GHz is that the former’s not susceptible to interference from the myriad wireless devices you might encounter in a typical home or office. Cordless phones (older ones rather than today’s 1.9 GHz DECT-based models), Bluetooth devices, microwave ovens , baby monitors, alarm systems, wireless speakers, or any other device that emits RF signals at 2.4 GHz can wreak havoc with a Wi-Fi network running on the that frequency.

By contrast, a network operating at 5 GHz sits peacefully above the fray where interference from other wireless devices is virtually non-existent.


A 5 GHz network (which actually uses a wide frequency range between approximately 5.1 and 5.8 GHz) avoids this overcrowding problem by offering anywhere from eight to 23 non-overlapping channels (depending on implementation and whether or not double-wide channels are being used). This lets many more nearby networks live together without stepping on each other.
Click to expand...

So, two in close proximity are not a problem normally, but you may need to configure each of them on channels that are as far apart as possible to minimize the potential for interference to each other.


Generally, the lower the frequency the farther a wireless signal can travel. Therefore, devices on a 5 GHz network will tend to have a shorter range than those using 2.4 GHz. This can be mitigated somewhat with sophisticated antenna technology, but if a given device is relatively far from the wireless access point, you may have better luck connecting via 2.4 GHz.
Click to expand...

So, you may need to orient the unit closer to where you are located, if it is not already. Or, use the 2.4Ghz band on this unit to maximize range.
Also, devices that do not specifically say they are dual band adapter capable may not connect to the 5Ghz band. But that would be all the time, not sometimes on sometimes off. So probably not relevant to your device adapter.

Also, make sure that your wireless adapter is configured to ONLY connect to the 5Ghz band if that is what you you aim to use, especially if you ARE close enough to it for distance to not be a factor. If your wireless adapter is connecting to the 2.4Ghz band, and you don't realize it, you may be having troubles due to interference from other sources such as bluetooth devices, cordless phones, microwaves, damaged or loose coaxial cables from cable or satellite tv boxes/wiring, wireless speakers, some LCD tvs and computer monitors, walls, doors and probably some other things that I don't even know about.


It's most probably that perhaps there is unwanted overlap from the two 5Ghz networks being on the same or similar channels. I'd verify that and make changes to the channels they are using first, before anything else, just to eliminate that as being even potentially at fault. You might also want to simply use 5Ghz on one router, full time, with no 2.4Ghz, and the 2.4Ghz on the other.
 
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