so HDMI is better than DVI right?

so a good LCD must have HDMI port or wat..(a LCD got how many port???)

kinda confuse..

But so far i dont see any forumers here complaining about AOC rite?
So, shall keep my finger crossed tight tight !

Talk about Dell...
My bro bought it last 4 months...
It was a 21.5" cost about RM520 ( i think u guys shld know the brand, cuz i dont know at all )..
Erm, there is one problem i encountered...

1. Playing game, monitor on-ing...
2. Dinner time, push on/off button (located at bottom right)
3. Now the monitor is black... (sure, cuz its off)
4. Come back and press the on/off button to resume.
5. One blue box came out (displayed something like wat power save mode this and tat)
6. The screen still black lol...

Fans were running at tsunami speed inside the casing... LED lights have no problems at all...
The only solution to get back to existing activities with the monitor is to ... OFF the main power and on it back... :lol

Wondering wadz wrong?