When I go on to Youtube.com and search a video to view, it wont play. Literally. All it will show is a black screen. I can still comment on it, it just wont let me watch any video on Youtube.

How to delete youtube comments you made?
Click the "Browse Videos" tab under the name of the channel and then click the "Comments" link to view all channel comments. Locate the comment that you wish to delete and hover your cursor over the comment. A small flag icon and a small "X" icon appear in the top right corner of the comment.

How to Remove a Comment You Made on Someone's YouTube ...

yourbusiness.azcentral.com/remove-comment-made-someones-youtube-channel-17104.... Search for: How to delete youtube comments you made?...or try this link.
delete comments made through YouTube in video Google Search

Creating a youtube account is not a difficult task. You just have to sign in a youtube and then you create your your own channel and start posting video on that and you will earn a good amount of money from your home.
One of the major problem that a youtuber face is getting views on the videos. Here, I tell you some of the basic tips to increase the views on your channel.

1. Create quality video
2. Use engaging content
3. Use short, simple and relevant title.
4. Explain about your video in a description box
5. Post your video at the right time
6. Buy YouTube Views
7. Avoid making boring video
8. Promote your channel and videos in the different social media platform.

By following these tips you can easily increase your youtube views and that helps you in earn more money.

sounds like main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Timeslide" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/

If you're seeing the error message "You need to upgrade your Adobe Flash Player to watch this video" or you're experiencing video quality issues (including videos playing sound without video) when playing movies or TV shows on your computer, here are some common troubleshooting steps that can help.

Video display problems on your computer

Make sure your computer meets these requirements. Flash player installed would be the most important.
http://support.google.com/youtube/bin/answer.py?hl=en&answer=78358

Do a system restore and bring computer back to a earlier time before this happened, will fix most issues.

Hello and Welcome to FixYa!
Turn on the iPhone's Wi-Fi by tapping "Settings," then "wi-fi" and finally "On." Your phone must be connected either to a wireless network or 3G data plan. Youtube videos can be searched and watched only if the iPhone is receiving Internet data.

Tap the Youtube icon on the home screen of the iPhone. You can access the iPhone's home screen by pushing the "home" button located just beneath the screen of the phone.

Search for specific Youtube videos or browse featured, most viewed or favorite videos. Search for specific videos by tapping the search box and typing in your desired video. Browse Youtube videos by selecting one of the tabs on the top of the screen.

Play a Youtube video. When you find a video you wish to watch, simply tap the screen over the video. The video will begin playing in landscape mode, so turn the iPhone sideways so it is oriented horizontally.
Control the video with the onscreen buttons. You can pause, play, fast forward, and rewind a video clip from the iPhone screen. Tap the screen to bring up the controls and tap the onscreen icons to control the video.

I hope this solution helps you.
Let me if you have some confusion
Thank you for using FixYa

easy , go to www.youtube.com , write and the serarcher all that you want see , click play and enjoy , sometimes is slow you must to be pacient