Re: unnecessary startup programs
- From: "Bill Powers" <powersradio@xxxxxxxxxxxxx>
- To: <jfw@xxxxxxxxxxxxx>
- Date: Wed, 13 Oct 2004 18:59:48 -0700
Jean,
An LCD monitor is fairly thin from front to back and has a very flat screen.
A CRT monitor is usually very bulky and takes up a good chunk of your desk
or computer stand. (It also uses up a lot more electricity). CRTs are
cheaper than LCD monitors. If your monitor simply says "plug and play" in
the settings then you have not installed the driver for your monitor and are
just using a generic Windows driver. If you can find the driver for the
monitor you have, you may get better video results.
Going down in resolution to 800 x 600 will make the picture larger, which
might be good for some applications but not others. The lower the resolution
the more "rough" the picture will seem especially to a fully sighted person.
It's like taking a newspaper print picture and blowing it up seveeral times
until it looks very grainy because there is nothing to fill in between the
dots of the picture and after it becomes so large, you start to see the
blank spaces around the dots. The smaller the picture (or higher the
resolution) the smoother and more solid the picture looks. Some programs
won't even run at 800 x 600 anymore and require at least 1024 x 768.
The hertz (appreviated H z in this case) refers to the refresh rate of the
screen. The higher the number, the better the picture. The lower the number,
the more likely to see flicker in the picture which will drive almost any
sighted or partially sighted person crazy. Generally, LCD monitors run at a
60 Hz refresh rate though they can run higher, and will get a good picture
at this rate. CRTs on the other hand, can run at low at 60 Hz but the
picture will suffer from flicker. A more realistic refresh rate for a good
picture from a CRT is 72 hz, preferably 85 Hz. BTW, trying to drive too
high a refresh rate for a monitor can damage the monitor or the video card,
but you'd long see problems with the picture before you'd likely encounter
damage. If it's not feasible for your monitor to run at a really high
refresh rate, Windows usually won't even allow it in the first place and
will place you in Safe Mode.
Hope this answers some questions for you and others.
Good luck!
Bill Powers
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