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Monitor VA930M goes black after a second - ViewSonic Computers & Internet

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If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Oct 03, 2010

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Posted on Jan 02, 2017

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1 Answer

Why does screen go black after a few seconds


Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.

To fix this black screen problem, change the inverter board (based on your monitor brand).
Source(s): http://lcdmonitorrepair.annics.com

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I have a samsung syncmaster t240 monitor. Boots up normally but the desktop appears for a brief time (1 second) then goes black. I used the torch technique and saw the desktop icons. When I switch the...


Hello,

I believe the power led button is still on while the screen goes black, if yes, it means the picture board of your monitor is bad that is why it appears for a second and goes black after that

Since the power led button is on, It means the picture board on your monitor is faulty that is why it appears for a second and goes black.

The best thing for you to do now is to take the monitor to a local repairer or any service center within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself in other to complicate issues.

Take care.

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1 Answer

My monitor showes for a split second then goes black


First, can you attach another monitor to the computer to check to see if it works?

If it does, then your monitor is going bad. Possibly the power supply.
If a second monitor acts the same way, then it's your video card.

Dec 10, 2009 | Computers & Internet

1 Answer

My screen goes black after a few seconds


Sounds like a bad solder joint on the printed circuit board. Once it heats up then it no longer makes good contact and the monitor goes black until it cools down and makes contact again. You could resolder it if you knew where it was but monitors are dangerous to go playing around with as they can hold very high charges of electricity in their capacitors that are very dangerous. It's a throw away world. Go buy a new one.

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1 Answer

Monitor will not power on. viewsonic va930m


had the same issue and fixed it myself. there a bad cap on the board. lucky the one you need to change is on the edge of the board. its 1000uF at 16V. cost me a 1.90 for the cap at fry's, $2 for the copper wicking. $2.99 for the cheapest plug in sodering iron(30 watts in my case). pulled the cap off leaving the bare wires to act as weight. flipped the board over. wicked up the a solder in the two holes. replaced cap. feeling good.

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1 Answer

Monitor goes to black and back on


MY LCD 22 ACER MONITOR GOES O BLACK AND I CAN'T SEE THE MENU

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1 Answer

Monitor sleeps after one second


Try connecting the wires properly. try changing the VGA cable. i had the same problem my screen goes black some times and pink i changed the VGA cable it was absolutely fine!!!
What is VGA cable
VGA Cables Adapters Converters and Devices C2G

visit a computer mechanic for further trobleshooting

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