mechanical keyboard issue

Hello, 2-3 months ago i bought a budget mechanical keyboard, it has Jixian blue switches. Recently i realized the spacebar and esc keys werent registering properly when pressed. For instance if i press spacebar 5 times it would only register 2-3 times. I saw a video where the guy takes the...

My "D" key sometimes duplicate keystrokes and just won't work when I hold it down. I would have to press it again for it to register and it's really frustrating because it messes up my movement on some games especially FPS games. It's hotswappable.

The "W" key sometimes is unresponsive. For example I had to press the key three times to write it in the previous sentence. Sometimes it works first time. I have a Cooler Master CK350 keyboard with Outemu Red switches. is there a way to fix this or should I just replace the key? If so could...

I just bought a new mechanical keyboard and I have been using it for office use for the first 2 weeks but when I started getting into gaming with the keyboard I noticed these "hiccups" with the letter d that when I hold it down to turn right with whatever game I have, sometimes it wont register...

Some of my keyboard switches does not register sometimes, I already blow it and half press, it would work but would come back again. Can I use a 70% alcohol to clean directly the switches? It's okay to stain my keyboard since its only generic and will buy soon. Thanks!

2 days ago I noticed that my "D" key started skipping and not responding as it should, I plugged it in my laptop and it was the same. Today I noticed that my "E" "S" and "D" key were doing the same (2 days ago "E" and "S" worked perfectly), so I somehow found out that blowing into them makes...