Selasa, 21 Januari 2014

Will an HDMI cable improve my monitors resolution for regular computer tasks?

Q. I currently have a 24inch lcd Led backlit 1080p monitor with hdmi port and well as an hdmi port available on my computer with gtx 460 graphics card..I am currently using the vga cable to connect the tower and monitor but will an hdmi cable improve the screen resolution even more for just internet browsing and daily tasks?

A. Digital output is square wave, Analog output round waves , electronic tubes. unless your computer is running electronic tubes or your monitor is tube type CRT then yes it is analog. If you are using a computer made within the last 10 years and LCD monitor you are digital. Me using Sapphire 6970, used HDMI 1.4 ( full HD, 4K,2K HDMI ) cables and VGA, I see no difference. As for resolution that depends on video card manufacturer and monitor, see manuals/specifications for both.


Why is my monitor going black after 2 seconds of displaying picture?
Q. My computer and monitor both have not been used for almost 3 months and both had never had a problem. The computer is almost brand new. When I first plugged the monitor in and computer on picture was displayed for 5 minutes then went black. All cords are plugged in, and different power cords have been used. I've looked up almost everything and nothing has worked. Please help
LCD monitor brand is Acer about 5-6 years old but has had no problems up until now.

The computer is a Hewlett Packard and is new I've had it for about 18 months.

A. Is this an lcd or led monitor? It lights up for a few seconds and then goes black?

A common problem with these kinds of monitors is when one or more capacitors get blown out in the power unit. The monitor typically does more or less what you've described when that happens.

The capacitors can be replaced, and it's not real difficult if you're careful. And you can probably buy the kit to do it with for about 10 bucks on ebay. Do a search on your make and model and the word capacitors and you'll probably find it.

It requires taking the panel apart and getting into the power unit in the back of it. You can usually identify which capacitors are bad by the fact that their tops will be puffed out. You have to remove these with a a soldering iron, and and solder in replacements.

If you're not comfortable doing this, and you can't get anyone else to do it, you're looking at buying a new monitor.

I had one go out like this. I put off fixing it for awhile, but turning it off and on a few times. It would generally stay on after I did that several times. Of course the problem kept getting worse until that fix didn't work any more.

Yeah check the simpler stuff first though. Is your video cable screwed in tight? For example.





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