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Don't give your granddaughter a magnet!!

Discussion in 'Hardware' started by grandpaw7, Nov 12, 2004.

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  1. grandpaw7

    grandpaw7 Thread Starter

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    I did and she did. Put it close to my monitor, that is. Is there any remedy for the blotch is put on my monitor screen? grandpaw7
     
  2. etaf

    etaf Moderator

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    what type of screen
    crt have a degauss button - have you tried degauss
    post make model perhaps we can help - see if there is a degaus
     
  3. blitobj

    blitobj

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    most TFT's arent affected by magnets, CRT's are, its quite fun to play with magnets and monitors (mmm pretty colors). grandpaw7 is right, degauss should do it.

    i did it with an old acorn monitor, it stayed for a while, but did go eventually.

    how long have you had it?
     
  4. Cosmic

    Cosmic

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    Degauss is the first thing to try. Should be a button on your controls or is on your menu. Don't over do it. Allow some time between cycles, circuit is supposed to not allow any damage, never bet on it.

    If that doesn't work you can try the old standby method. Power the monitor on for a minute, then off for 20 minutes of so, on and off for 3 or 4 cycles. Depending on the monitor it is best to pull the plug instead of using the power switch. Complicated as to the why's.

    Sometimes little magnets are used to attempt to fix monitors on their last legs from the outside. Looks like yours got that procedure early.

    If you got certain types of damage it is a boat anchor.
     
  5. gotrootdude

    gotrootdude

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    Most modern monitors and TV's are built to automatically degauss themselves when first plugged in. Not complicated.

    unplug it, leave it awhile, re-plug it. (y)
     
  6. Daniel.a

    Daniel.a

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    I couldnt swear as to the safety of this approach but we used to have some enormous monitors we got from nasa. The owner of the shop used to work for them. Anyway we would take a bulk tape eraser to the monitor when the color started to get screwy. Just be careful not to get it to close to your computer as it could cause some serious problems.
     
  7. pronute

    pronute

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    If your monitor has no degauss button, then you can get a degauss coil, and do the degauss dance for ten minutes. Or take it to a TV repair shop and let them do it for you.
     
  8. Cosmic

    Cosmic

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    The old stand by method has nothing to do with degauss circuits. In theory you don't even need an installed circuit. You are attempting to influence the critter with a collapsing field. Was one method tried way back when.

    Yes, the bulk tape eraser was also used way back when before auto circuits were included, was also coils that you could either buy or build yourself. Used a walking procedure to approach the critter and then backed up, sort of like dancing. Many will claim a good dance is better than the auto circuits, lost art form.

    Yes, most modern CRT's do degauss a bit on start-up. The reason you pull the plug on those has to do with how they reset the circuit. Hard reset is caused by a power outage, the regimes of how it degauss's can vary. In effect you are getting a two-er, could that be called complicated??? Some will also claim the field collapse is different even today. All about decay rates and how the circuit functions.

    Is a bit like the old TV's. They started with a red reset button in the back. People didn't know enough to push it first when the TV didn't work. Would take the TV to the shop. Repair guys would push the button, TV would fire up, they would let it run for a while, put on the shelf, call to say it was fixed in a week and charge a fee. Manufacturers started to get a bad rap for faulty TV's. So they built the reset into the On/Off switch. What never got perfected was the thump circuit that sometimes fixed the picture and could even automatically start the TV.

    It all this degaussing don't work maybe Grandpa can use the thump circuit.
     
  9. Sapphire2023

    Sapphire2023

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    My daughter did the same thing to my tv a few years ago with a huge magnet too and all we did was turn off the tv and unplug it for a few minutes.Thats all it took for our tv,was fine when we turned it back on.....
     
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