Is it making a series of beep noises when you start up? Did you install new software recently? Made any changes to your computer in the last month? If so, this may be the cause of the problem. If you hear the beeps, it's a good chance that your BIOS has problems.
Sustain hole? If you are speaking of a sustain pedal jack on a music keyboard, then, NO, it does not transmit audio. If your keyboard has a headphone output, you can use that. If it is just a controller with no sound selections, speakers or built-in synth, it does not make any sounds. What you connect it to will be the thing you will amplify.
A MIDI keyboard can produce a wide range of sounds, including piano, strings, drums, synthesizers, and many more.
Keyboard
Wifi, Internet(wireless), Ethernet(wireless), Mifi (sounds funny but it really is a network.)
There is no "perfect" keyboard, it's all about what youthink sounds best.
try a different monitor; sounds as if the monitor cable is on the fritz, the predictable problem if your experiencing color changes on your monitor. recommend replacing cable and see what that will do. note that if your have to open the monitor DO NOT GROUND YOURSELF as this may lead to serious injury or death!
air. Sounds like a keyboard to me.
A keyboard amp is specifically designed to accurately reproduce the unique frequencies and tones of a keyboard, while a powered speaker is more versatile and can be used for various audio sources. A keyboard amp would be more suitable for amplifying keyboard sounds due to its specialized design that enhances the nuances of keyboard tones.
It sounds as if you have a short circuit which will probably be in the cable. The easiest solution is to buy another keyboard. they are inexpensive so it will not break the bank. If you are good at soldering and the damage is at the keyboard end of the cable it should be possible to repair it, but not worth the hassle.
This sounds like a hardware problem, but it may not be particularly serious - it could be the VGA cable has become slightly loose and pressing it home on the PC and monitor may fix it.
1.A musical keyboard is an electronic imitation of the piano. 2. A keyboard is an electronic piano, It has black and white keys running along it, when you push one of those keys, the keyboard will perform a musical sound (note). A keyboard also changes sounds so when you play it sounds like other instruments such as;Guitar, Strings, Saxophone and others
electronic keyboard