Open the file in photoshop Create a new blank layer with no fill Put the image with the monitor/PC in the top layer and delete the white part around it. Flatten the image Save for web. Select PNG. Click the box to enable transparency and you get this
Depending what your final use is you can do similar things with a clipping path
I used the clone stamp to get rid of the bulk of the letters. Then used the smudge tool to blend it in, then the blur tool to soften the transition. Took about 4 - 5 minutes. -- I Live In My Own World, But It's OK.....They Know Me There.
Cleaned up the watermark (transparency looks much better on light background)... Now, how can I compress it in size without losing image quality? And what simple and clean technique to use to dim the "HAF" to make it barely visible?