CS4 x64 severe brush lag and no pressure sensitivity

DC
Posted By
Dominic_Clayton
Oct 23, 2008
Views
455
Replies
2
Status
Closed
Hi,

When I use Photoshop CS4 Extended x64, I experience really bad brush lag when drawing. This doesn’t happen with the 32-bit version, and unfortunately it seems to make x64 the default version to open everything with (such as Open With and file associations).

I also do not have any pressure sensitivity with the x64, but the 32-bit version is absolutely fine. I’m using a Wacom tablet.

Can anyone explain why it’s so bad in the x64 version and any possible way to fix these two problems?

It would be nice to fix this issue so I can actually use the x64 version, however at the minute it would be easier to just use the 32-bit version. Unfortunately I cannot seem to get it to use this instead of the x64 when opening files from Explorer. It’s very iritating. I have tried to uninstall the x64 one, but I don’t see an option to keep the 32-bit version on.

I’m running Vista Ultimate x64 SP1, 8800 GT, 4GB RAM, GPU settings all on in CS4.

Thanks very much!

Dom
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CH
CR_Henderson
Oct 23, 2008
If your Wacom is an Intuos3 you can uninstall the old drivers and install the latest from Wacom. That solved it for me. However, PS CS4 does not ID the tablet/pen combo as being pressure sensitive until you get the pen within sensing distance of the tablet. If you’re watching the warning icon in the brushes panel it won’t go away until you get the pen close to the tablet.

For the brush lag, try setting your nVidia performance slider all the way to Performance (totally opposite Quality). That has solved the problem for most who experience slowdowns with nVidia cards. Here’s a link to an article that discusses nVidia vs Lightroom. The same techniques appear to work for PS CS4.

< http://lightroom-news.com/2008/09/02/nvidia-settings-to-spee d-the-brush-tool-on-xp/>

I’m running PS CS4 on a Vista Ultimate x64, 9800GTX+, 8GB RAM. No slowdowns to speak of.
DC
Dominic_Clayton
Oct 24, 2008
Thanks for the reply.

It’s not an Intuos3. It’s a Bamboo. Drivers are latest.

Like I said, everything works fine in 32-bit version. Brush is perfect, pressure sensitivity is great.

x64 it’s awful. Start drawing and there’s a lag before it actually gets drawn, which means I’m missing loads of brush strokes and it can’t keep up (although it’s the beginning moment that’s causing the most grief). Of course there’s no pressure sensitivity either so it’s absolutely useless.

I tried the steps you mentioned and there was absolutely no difference. Something is wrong with the x64 version.

I can’t be hassled to attempt to figure out what the issue is. I can’t be bothered with using the x64 version when the 32-bit one is completely fine – it’s not like I’d be getting any advantages from the x64 version anyway. I’d like to be able to just get rid of the x64 one and keep the 32-bit version, or have 32-bit as my default and never have x64 even launch.

Is there any way I can do that?

Thanks

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