Connectivity Issues in Minecraft - Desyncing Often and Constant Spikes

On any server I play on I am constantly experiencing lag related issues such as:

  • Desyncing from server (server world not in sync with player)
  • Lag related spikes every minute at least (spikes can last from 1 second all the way to 15)

I have had no problems on my previous laptop I used to play Minecraft on, and my brother can be on the exact server using the exact same internet and does not have these issues. This has been an issue ever since I built a new gaming computer. Currently I'm using an old USB wireless adapter to allow me to connect via WIFI to my internet. I'm not even sure if this device is to blame, though it could be.

I performed 100 ping requests to Google.ca to see if I had any packet loss, and there was none. I also did a speed test and it reported the usual speed I'd get from other computers on my network.

I don't have any of these issues in any other games, so I'm really confused at howto go about trouble shooting this issue, and how I should resolve it. Any help would be appreciated!

Edit: I just tested doing 1000 pings to google.ca instead of only 100 like I did before and here are the results:

Ping statistics for 173.194.43.87: Packets: Sent = 1000, Received = 967, Lost = 33 (3% loss),
Approximate round trip times in milli-seconds: Minimum = 10ms, Maximum = 328ms, Average = 15ms
11

5 Answers

The "ever since I built my new gaming computer" is cluing me to issues with your wifi adapter. Old adapters don't particularly have (good) drivers that work well in newer versions of Windows.

Depending on the game you play, you could potentially experience the same issue as well. Minecraft is very sensitive to latency. Other games compensate by things like motion prediction and other things. Minecraft is just Java + UDP ...that's it.

A test would be to ping /t minecraft.server.ip and connect to the server and attempt to play. If you see drops/spikes, then it's your adapter not able to keep up. However, it's also possible that pinging won't do much since it's a different protocol.

2

Wanted to make this a comment... Not sure how. But in terms of trouble shooting, see if you can't connect the laptop to your wi-fi via the old USB mah'jig. Then try the server, now using the verified laptop, but the suspected USB wi-fi...

That would be my next step in terms of trouble shooting. (That or Ethernet cable right into the new pc then retry. You could set up the machine near the router or modem temporarily to try it out at least. It would seem, anyhow.)

Seems like you did all the other groundwork though. Sounds like it is some tiny subtle issue with that card.

It sounds like your computer is laggy, or the server you are playing on is laggy.
What you can try:

  • Close all open programs besides minecraft when playing
  • Upgrade your internet to a faster speed
  • Get an upgraded modem/router
  • If you are playing wirelessly (wirelessly connected to the internet) Try connecting a cable from you computer to your router
  • Upgrade your computer processor/graphics card
  • If it is lag from the server, and not your computer, try to contact the server admin and let them know.

There are many more solutions on Google, so if none of my solutions work, then try looking there.

7

Is it a problem with the server?
You should first verify that this is not something on the server causing the problem.

  • Make sure there isn't anyone setting off TNT or dropping a lot of stuff on the ground.
  • Make a new world on the server and see if it lags then. If so, it's a problem with the map, not your computer.

Is it a problem with your computer?

  • Get OptiFine and turn off most animations and set it to MaxFPS. Explore all the options and turn all of the unneeded ones off.
  • If your computer is plugged in, change the battery usage to "High Performance".
  • Exit all other programs.
  • Allocate more RAM to Minecraft.
  • Windows Update
    • Update ALL the drivers!
    • Manually update if Windows is being stupid.
  • Try disabling your firewall and antivirus.
    • Perhaps your computer has a virus. Have you scanned it?

Is it a problem with your Internet?

  • If you use a wireless connection, try a wired one.
  • See if the router antennae is loose or starting to come off the router.
  • Consider getting a faster Internet plan or a better router.

Also remember that Minecraft is different than other games because it is coded in Java, and is responsible for memory leaks and stuff.

2

Did you check your your network connection performance? You can try to check it here ->

There is The Connectivity Checker will perform a series of network tests for modern Web Services like WebSockets and WebRTC. A unique url will be created with the results which you can then share with an expert to get your problem diagnosed.

It was helpful for me, I hope that it will be as helpful for you too.

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