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Adobe Photoshop has been used widely by most graphic designers all around the world. I understand that using adobe photoshop isn't easy. If you learn any tricks to use adobe photoshop, it'll bost up your performance of using adobe photoshop.
I read this article & found out that those tips are very useful for adobe photoshop user. But there are a couple of big gotchas I'd like to tell you about to save you some of the hours of frustration that I've enjoyed. Take A Look At these tips & speed up your work with adobe photoshop!
Select Image > Mode and see what color mode you're working in. If you're working in anything other than RGB or grayscale, the filters will be disabled.
Are you on the layer you think you're on? Look at the Layers Palette to make sure you're really on the layer that you think you're on.
Are you lost in layers?It's easy enough to get lost in your layers. To find out which layer something is on, click on the Selection tool, then right-click on the part of your image you want to edit. You'll get a popup menu that lists the layer(s) that have pixels on them in the area you've clicked on.

Right-clicking the selection tool on different areas of an image reveal which layer(s) have pixels where you're clicking.
If you get some profoundly weird visual things happening after you've updated Photoshop, patched Windows, it may be time to update your video card's drivers.
Think about it: the drivers for your video card may have been written before Adobe ever thought of creating the latest whizz bang effect in Photoshop, so how could the video card software developers ever forsee the need to support them?
It's probably no secret that video cards are marketed for the gaming market, which pushes the limits of the memory and performance of the visuals you see in today's games. Therefore, as new games come out, the drivers for video cards get updated frequently. I've seen drivers updated as often as once every two weeks for a new video card. You only need to update your drivers once in a while, and it's a good troubleshooting starting point for something you can't easily resolve.
For Windows: To see what graphics card you're using, right-click on your desktop, select Properties, select the Display tab, click the Advanced button, select the Adapter tab, and click the Properties button. This should display the date of your driver. You'll find the manufacturer and number of the card on the Adapter tab.

There are two main video card makers: Nvidia and ATI. You can find their drivers:
Also, if you're using a Wacom tablet, it might resolve issues to update the drivers for this as well. You'll find the model number of your Wacom tablet on the bottom of the tablet itself.
I run a small photo studio and i also work as a web designer and Adobe Photoshop has been the bread and butter of my job. Photoshop is really the best photo editing tool that i have ever used.
It´s so Photoshoped!
I’ve been searching for this exact information on this topic for a long time. Bookmarked and recommended!
I Photoshop! He Photoshops! We Photoshop. Do you?