When I turned on my computer today, the display is pinched at the corners. It looks like the picture on an old fashioned TV, a rounded picture, sort of like a barrel. I don't know what setting to change. It had worked fine for a year
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Re: monitor display is pinched at the corner
Check if the same thing happens under safe mode.
Continue to press the F8 key when Windows starts to load Or hold down the CTRL key From the menu, select Safe Mode
Same thing? Then I have bad news for you. You need a new monitor. Best to verify for sure on another computer though.
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Vertical scan output section circuit fault. Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
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try to adjust your computer's display setting, sometimes improper display settings causes that.
Another area to look is to see if you have any "Hot Keys" setup for that corner. Sometimes those corners are setup as shortcut key for doing something. You might have it set without actually knowing.
its problem with the display cable
(not the one you connect to your pc)
open the lcd display and look for a cable that is attached to the front glass display.
check whether it is dameged..
it cannot be replaced
you need to replace the whole display
that would be better. and cost effective
You mean the picture on the left side is curved out? Or is it restricted to the very top and very bottom?
If you have the curve problem, look in the menu and see if there is a
pincushion control and a pin cushion balance. Adjust the balance until
both sides curve the same, then adjust the pin cushion control to
remove the curve.
If you are only having the problem in the corners, look in the menu for
a corner correction control and play around with it to see if it
corrects your problem. If the monitor has no OSD (on-screen-display),
then it may be too old to have these controls. You may have to open the
unit and see if there are any physical adjustments (little
potientiometers). You might want to leave this to someone who knows
what they are doing since the high voltage circuit can have 25-35 kV.
Considering the price of CRT monitors, you might be able to find a new
one for under $50.
Go to your toolbars bottom R/H corner and look for the VGA settings icon ( nVidia or ATI). Right click on that...and look for rotation settings, from there just followed the settings... Have nice day!
You can degouse it.I think you placed your monitor in any magnetic field or near fan ac or any electric equepment.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
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It could be your LCD backlight giving you problems. With the computer on and the monitor power LED green shine a flashlight in the lower left hand corner of your screen. Look for the Windows ?Start? button, if your backlight is not working you?ll see a faint ?start? button if you look closely.
It could be your LCD backlight giving you problems. With the computer on and the monitor power LED green shine a flashlight in the lower left hand corner of your screen. Look for the ?Start? button, if your backlight is not working you?ll see a faint ?start? button if you look closely.
If you can see the start button then it?s either the backlight tube or the electronics that controls it. This is repairable but I would not recommend the typical user try it unless they have tools and some experience with disassembly and handling of electronic components. It goes without saying that if you are unwilling to risk damaging the monitor you should take it to your local repair shop. You will spend about $50 more in labor but you save yourself guessing which parts are bad (a potential savings) and you will typically get a warranty of sorts.
If you don?t see the start button I would next suggest you connect this monitor to another computer to see if the problem goes with the monitor or stays with the computer.
Let us know what happens and if you need some more assistance.