My monitor has been working fine since I got it. Went to open it, and it will stay on for 20 seconds then go black. I press the power buttton to power it off, then turn it on, then 20 seconds later it turns off again.
Where should I start looking?
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hi the cause is screen back light not working properly. you need to remove the back cover of the monitor to access the internal part of the monitor. then look for the connector of the cold cathode fluorescent tube back light going to the power inverter board of the back light you will noticed a dry joints which cause a loose connection that is why you hear a sound that cause of spark. you need to re soldered the connector or replaced if totally burned.
I have a strong suspicion that you have burned a capacitor or two on the monitor. You will need to bring this in to have it serviced as it will require the monitor to be opened up and new capacitors replaced/resoldered.
i think it can be the capacitor problem, open monitor an look for swollen capacitors. if you will find them swollen or
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loosing the electrolyte, signs of burn, change them
This is a problem with the capacitors in many different monitors. I have 5 IBM ThinkVision monitors sitting on my desk at work with the same problem.
If you know what you are doing, pop the monitor open and have a look at the powerboard inside it. There are four main capacitors, and its likely one or 2 will be popped. Get some replacements, solder them in and you're set.
Again, only if you know what you are doing. $3 of capacitors is cheaper than $50 repair.
Your first step in troubleshooting this problem is to plug in another monitor to your computer. If you are having the same problem it is related to your computer. If the second monitor works fine then your original monitor is shot.
I start my computer and turn it on, and everything looks fine for about 1/4 of a second and then it goes black while leaving the power light green. I can only see the screen again after turning it off and on, but that's only for another 1/4 second. What's up? I got my rosewill flatscreen as a hand me down from my father. I've had it for several years now. Was working fine until a month ago. When I turn the computer on the screen goes black after 1/4 of a saecond. I have to turn it off and on anywhere from 10 to 20 times before it stays on. I have checked all plugs to the computer and outlets. I have absolutely no idea whats causing this.