This has happened in the last few weeks or so, if I click on a tool on the left hand toolbar (Move tool, Brush tool, Clone stamp) there is a noticeable 2 second lag while PS thinks about changing the tool.
Now that is only when I click on the tool buttons, if I use keyboard shortcuts (which I'm more accustomed to) it will think for its 2 seconds, change the tool, then immediately change back to the tool I was on previously. So if I was using the Brush tool, I press 'V' to change to the Move tool, it thinks, pops over to the Move tool, then immediately pops back to the Brush tool.
So as of now I'm stuck having to manually click the tool buttons, which wouldn't be a problem if there wasn't that 2 second lag between changing. I've gone through various "Speed up your Photoshop" tip lists, to no avail. I've reduced my history states from 1000 to 300, increased the RAM allowance to just over 5gb (75%) assigned all my HDDs as Scratch disks, made various changes to the interface and whatnot, nothing's worked.
The usual dump of PC specs:
Anything to try and help is appreciated, thanks.
[EDIT]: Worth mentioning I also use a Wacom Intuos 4 Graphics tablet, although that has never interfered before?
Have you tried resetting all tools
Failing that try resetting PS preferences
To restore preferences quickly using a keyboard shortcut: Press and hold Alt+Control+Shift (Windows) or Option+Command+Shift (Mac OS) as you start Photoshop. You are prompted to delete the current settings. The new preferences files are created the next time you start Photoshop
Resetting all tools seems to have cleared it up! Thank you very much!