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I tried it with my other devices but this laptop has a problem. I tried changing regedits, installing new drivers in the official lenovo support, using cmds, and its still doing it. Any ideas?
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Assuming you mean the WiFi connection, try using the laptop as close as possible to your home network router i.e. <15cm and check if a stable connection is maintained.
If there is then this indicates that there may be an antenna problem in the laptop.
Here's the hardware maintenance manual for the laptop.
Go to p.43 (47 of 105 pdf) to view the procedure to remove the WLAN card from the laptop. This will allow you to check if both antennas are still firmly connected to the card.
A LAN cable connection isn't affected by the same things that can affect the signal strength and therefore possibly the stability of a WiFi connection so it should be a stable connection.
Also its using different hardware as well. The LAN controller is on the motherboard and the WLAN is a removable card connected to the motherboard
Using it does tether the laptop somewhat to the length of the cable however, so it is no longer really a laptop i.e. portable, more of a desktop really.
If the problem still occurs when using a cable connection, there's something else happening.
You can try starting the laptop in "safe mode with networking" and then using the cable connection to see if it is stable when using it in this mode.
To use WiFi in safe mode boot into safe mode with networking but do not logon. In the right lower corner click on the network icon, select a Wifi network and once connected to Wifi then logon to Windows
Just verifying that you installed the correct driver for the WLAN (and LAN if it also is unstable)?
Asking because looking at the drivers for both the Intel WLAN and LAN (if that's what make is installed in your particular variant) they are different and dependent on the CPU type i.e. either Bay Trial-M or Haswell. The other WLAN adapter types i.e. CyberTan, Realtek and Liteon are not.
Bit confusing as they both have the same driver version number but the drivers have different checksums. I don't know if this is significant or not but it may be prudent to make sure that you have the driver relevant to the CPU installed, just in case.
Apologies if you noticed this already and the correct ones are installed.
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Both the antennas are okay, and I tried bringing my device near my router, still the same results. Does using a LAN cable fix this by any chance?
I used the latest Haswell that I downloaded from the official Lenovo Support website since my adapter is Intel(R) Dual Band Wireless-AC 3160. Changed my mind from using LAN because I don't have the courage to use it. Using Safe Mode with Networking however, doesn't have any problems and my WiFi goes smoothly.
Safe mode uses generic Windows drivers and not hardware specific drivers.
What CPU model is installed in your laptop?
Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz 2.60 GHz
Try installing this free WiFi program and check the signal level of your network as detected by the laptop.
It may be that as far as your laptop is concerned the level is marginal for good operation.
Scroll down in this link to see the different signal level values and how they relate to what you get.
Note with dBm that every 3db change in signal level is equivalent to double (or half) the signal strength e.g. -70dBm is twice as strong as -73dBm but only half as strong as -67dBm.
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Try this-
1. Device Manager → Wi-Fi adapter → Properties → Advanced tab
2. Set Roaming Aggressiveness → Lowest
3. Also check Preferred Band → 5GHz only if your router supports it.
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I tried this, but It's not working sadly
It sounds like your laptop is experiencing intermittent internet disconnections. This can happen due to several common reasons:
Quick Fix Tip:
Restart both your laptop and router, forget the Wi-Fi network, reconnect, and see if it stabilizes.
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