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Author Topic: How to Fix Lag  (Read 310 times)

Offline Andalya

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How to Fix Lag
« on: October 27, 2016, 04:13:20 PM »
Some of us have been experiencing latency/lag issues
This post is to help you reduce the lag or increase your FPS while raiding -- you can adjust these settings if you just want to enjoy pretty scenery on off days lol.


---Update your graphics card drivers and remove any addons you haven't used in awhile. Update your addons, even if they don't seem broken, sometimes the creator fixes them to use less memory or to spam the addon channel less.

---turn down your video card settings to completely low and uncheck everything. The only two things that should be done are checking the "projected textures" box, and turning the particle density up a tiny bit.

---in your video settings make sure multi-sampling is on 1x, turn off vertical sync, and uncheck "reduce input lag".

---Disable the in-game voice, and turn down the sound quality. Disable reverb, disable DK voices.

---Make sure you have background programs turned off during raid times. Programs like messengers, torrents, internet browser, etc may be cutting into your connection or eating up memory.

---Try running the game in full screen instead of window-mode

---Disable add-ons you don't need for raiding purposes before raid starts. Such as auctioneer, questhelper, etc. You also have the option to turn off Recount and someone can link you the meters in whispers. Recount uses up alot of memory during raid and can cause lag

---Right-click on your combat log window and remove things you don't need to know about (remember, recount shows deaths/heals). There's alot of settings in there so make sure to disable ones you think are unnecessary info for you. If you find yourself never checking the combat log, uncheck everything in there.

---Regularly scandisk and defrag your computer. If your hard drive is not running smoothly, it can be slowing your entire computer down. You can check your hard disk for errors by following the instructions on Blizzard's ScanDisk/Defrag page.

These next tips are for those that feel comfy editing things in their computer. If you need help with this, please ask me or anyone else on vent that is good with computers, so we can walk you through it.

Disable Nagle's algorithm

For PC:
* --open your registry editor by going to start > run > regedit
* --browse to HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Services > Tcpip > Parameters > Interfaces
* --find the folder in there that has alot of files in it like your IP address (ie. IPAddress > 192.168.0.100)
* --right-click in the empty space beneath those files and create a new DWORD value, name it: TcpAckFrequency
* --then right-click on TcpAckFrequency and choose modify and change the zero to 1
* --right-click in the empty space beneath those files and create a new DWORD value, name it: TCPNoDelay
* --then right-click on TCPNoDelay and choose modify and change the zero to 1
* --close your registry editor

For Mac:
* --enter "sudo sysctl -w net.inet.tcp.delayed_ack=0 " in a terminal window. You will be asked the Admin password. This does enable it, but not persist this setting (it's lost after reboot). To make the setting permanent, do:
* sudo echo "net.inet.tcp.delayed_ack=0" >> /etc/sysctl.conf

which simply writes the magic line into /etc/sysctl.conf which is executed at boot time.


For both PC & Mac: when you finish the steps above, restart your computer, make sure background programs are shut off and turn the game back on, your latency should be cut in half


Adjusting Your Network Card (from blizzard site)

* --Click on Start.
* --Click on Control Panel.
* --Double click on the System icon (in Windows XP, you may need to click Switch to Classic View on the left hand side of the screen).
* --Select the Hardware tab.
* --Click on Device Manager.
* --Expand the section labeled Network Adapters.
* --The name of your network adapter will be listed there.
* --Once you have located the name of your network adapter, make sure you have the latest driver for it.
* --Right click the network card and select Properties.
* --Click the Advanced tab.
* --If you have an option to set the Duplex setting set it to 100BaseTX Full Duplex.
* --If you have a Power Management tab in your network card properties, click it and unselect the "allow the computer to turn off this device to save power" if selected.
* --Click "ok" or "apply" to save your changes.
* --Restart your computer