My computer monitor produces a head aching, at first with hissing sound then followed by hi-pitch sound in diff wave lengths when turned on for about 5 mins. I already having a migrain. Please help me. I already changed its memory into a bigger size and even reformat my computer but to no avail. So I just turning it off whenever I hear that sound and just be back after 10 min or so and do my comp works... and that sound will be gone for a moment only.
What could be the reason? My cousin suspected that it could be my monitor. Can it be repaired?
.......Does the sound disappear when you turn off the monitor? If so then it's the monitor, (hardware problem), not something you can solve by changing the tower around.
If it's under warranty, call tech support and have their input or take it back to the store. If it's old in the least a repair could easily be just as much as a new or used CRT. If you cannot afford a new one. There are plenty of people unloading there CRTs while they are upgrading to LCD and there is not a big market for used ones.
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Colors on the monitor are produced by mixing the three "primary" colours.
If the monitor is not producing one of those three colours, you can get "pink" instead of "white".
Fix the monitor, or replace the monitor, or replace the video-card (if using a different monitor also produces "pink").
seems a silly question but I have to ask, has the monitor ever produced sound? Also have any leads been moved recently?
If the computer is well used it's worth checking that the audio lead from the monitor is in the right 'hole' in the pc, easiest way to do this is play something and then move it from hole to hole until you hear noise.
Finally it is (remotely) possible that its a driver issue, check in computer management looking for any question marks in device manager, if it is a missing or corrupt driver then you can get a fresh and up to date driver from the manufacturers support site (check google for this)
Its worth trying an updated driver anyway, no harm in getting a newer driver anyway.
your irf 630 is not original purchase it from proper LG authorised service centre it is costly but never become faulty again duplicate mosfet overheats if your green led is on then measure voltage at E.H.T.connect meter at output transister if E.H.T. is producing then meter should show 1 digit if not then 50v will show take care that signal cable should be disconnected if E.H.T. is not producing then check +vcc at horizontal ic it should be 12v. if 12v is not present then check regulator ic 7812 insmps
Its real Funny monitor dont need driver to produce audio it needs connector and if you hvent manual here it is and find how to. You need audio cable. But if drivers arent installed on your pc audio computer dont produce audio and monitor also cant "say" anything. Find device magager and ensure that every device works correctly. If not wrire motherboard model and name and post then I find drivers for you.