Are your addons updated? Although was the low FPS before or after the major patch 2.2 which is currently making everyones' life miserable atm.

http://elitistjerks.com/466896-post1709.html

Have a read of this. I know a guildie who had 8800GT and a 22" monitor and his FPS drop from 60 to 5 in Magtheridon due to syncing with a DoTimer with one other person. They stop the syncing with DoTimer and it was fine.

Some other things I do during 25-man raids :

1. Nag guildies who have Recount syncing option to turn it off. You can check using a FuBar addon called "AddonSpam" that will give you a list of addons that pulls data from you.

2. Turn off sound.

3. Tone down my graphic settings.

4. Turn off Scrolling Combat Text feature/addon.

5. Turn off names of NPC + my names + others + guild names.

6. Turn off addons that take up huge memory resource e.g. Cartographer, Group Calendar, Gatherer, Auctioneer. Basically addons that I don't use for a raid, it gets turn off.

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Added on November 23, 2007, 11:22 amprobably what i need to do now though is to buy a new modem.

This post has been edited by myremi: Nov 23 2007, 11:22 AM

When checking your addons,

1. Turn them off one at a time to find the culprit.
2. If that doesn't work, delete addon folder in WorldofWarcraft/Interface/Addons.
3. If that doesn't work, delete the *.lua file (e.g. for Decursive it's going to be Decursive.lua). It's in the WoW/WTF and WoW/WTF/CharacterName . Best is to use the Windows Search function to look for *.lua files to be deleted.

You can cut it short by deleting the WTF folders but you'll also lose your macro file (usually macros*.txt files, there's alot of them).

4. If that doesn't work, it's probably an incompatibility with another addon or one of the libraries isn't updated. If you're using Ace2-based addon (e.g Cartographer, Omen, BigWigs), use a software named WoWAceUpdater.exe to update these files with Externals option on.

5. If it's already too much of a hassle, delete the entire WTF and Interface/Addons folder and start from scratch. Some of the older addons do not delete the older files which in turn can interfer with the addon that you want on.

Note : The biggest headache whenever a new patch comes out is any addon that makes changes to the UI (User Interface). Example was when patch 2.1 (or was it patch 2.2) came out, it crippled all Bongos and XPerl users. Either the entire WoW interface look weird or there are bizarre buttons popping up here and there.

Note2 : Try to find out where the addon author updates regularly. Example : ItemRack is updated at WoWinterface.com and not regularly at WoW.Curse.com. Although Curse.com is huge, it doesn't mean that it gets the latest updates.