Smoking monitor

  • Thread starter Thread starter Emily
  • Start date Start date
E

Emily

Got a computer monitor "blew up" a few months ago. It
just started smoking, and then turned off, never to turn
on again. Replaced the monitor, and it happened again.
Is my computer doing this to my monitors????


Emily
 
There are two connections going to the monitor, the VGA signal and the AC
power.

Either one could be the culprit, and I say that with much reserve because I
have
never heard of the VGA connector causing such damage.

If the smoke smelled like burnt asbestos (not that it is), then there is the
possibility that the flyback bit the dust. Make sure your AC power is good,
that
it is properly grounded and that none of the contacts are reversed. To check
this,
you can purchase a tester like this one:

http://www.radioshack.com/product.a...y_name=CTLG_011_008_003_000&product_id=22-141

Best of luck to you, as you cannot go through life frying monitors. :-)

Saga
 
Thanks, but whats the flyback?

Emily

-----Original Message-----
There are two connections going to the monitor, the VGA signal and the AC
power.

Either one could be the culprit, and I say that with much reserve because I
have
never heard of the VGA connector causing such damage.

If the smoke smelled like burnt asbestos (not that it is), then there is the
possibility that the flyback bit the dust. Make sure your AC power is good,
that
it is properly grounded and that none of the contacts are reversed. To check
this,
you can purchase a tester like this one:

http://www.radioshack.com/product.asp?catalog% 5Fname=CTLG&category%5Fname=CTLG%5F011%5F008%5F003%
5F000&product%5Fid=22%2D141

Best of luck to you, as you cannot go through life frying monitors. :-)

Saga




.
Click to expand...
 
It wouldn't be the computer itself. It may be the computer user setting
the screen settings too high for the monitor or the room is too hot or
the vents on the monitor are blocked or high dust in the room attracted
to the monitor by the high voltage.
 
it is the high voltage transformer that provides
the "ooommmph" to give you a raster(screen with
horizontal and vertical deflection). if it fries....no
picture.
 
Is your monitor plugged into the wall, or in the back of
the pc? if into the wall, I would suspect an overvoltage
problem, or surges in the supply, you really need to get a
UPS unit, with battery backup and surge protection.
this protects against overvoltage and undervoltage and
power outages,, lately prices have really dropped you can
get a 1000 VAH for just over $100 bucks, I wouldn't
advise against anything less than 650 VAH it will just
barely keep your monitor and pc working, 1000 VAH will
power the pc/monitor and a few accessories..
 
It IS possible that your video card is driving the monitor at a refresh rate
too high for it to handle. Check your video refresh rate, there's nothing to
be gained by setting it higher than 75 Hz.
 
Bob said:
It wouldn't be the computer itself. It may be the computer user setting
the screen settings too high for the monitor or the room is too hot or
the vents on the monitor are blocked or high dust in the room attracted
to the monitor by the high voltage.
Click to expand...

that's not at all likely. blown flyback? sure, on an old monitor.
over-driven by the video card? certainly. over-voltage (surge) condition
at the wall plug? possibly, and that would also affect the PC.
 
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