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Screen Issues I got this monitor from a second hand store so i'm not sure if it may just be broken, but when I got it home, i hooked it up to my computer and it worked perfectly. Until about 5 seconds later when the screen display went to black. If i press the two button, it will come back for just a few seconds and say analog and then cut back to black. If the screen is junk, that is fine, i just want to see if it can be fixed.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

  • 159 Answers

SOURCE: Viewsonic VX910 powers on, screen displays for 1 second then turns off

Blinking on and off is not always a capacitor issue, it is usually caused by faulty transistors at the high output transformers that light the backlights. Crappy board design ! But fixable in most cases.

Posted on Aug 10, 2008

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SOURCE: Monitor failure

I have just cracked open a Viewsonic VX724 monitor with the same problems mentioned above. This is a power supply issue. As I am a technician I can repair my power supply by replacing a few capacitors and a couple of surface mount transistors on the back of the power supply PCB. If you aren't a technician than I would suggest you weigh the cost and either source a new powersupply and install it or scrap your monitor.

Dillon, Trace Electronics, Barrie ONT, Canada

Posted on Apr 11, 2009

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SOURCE: LCD monitor turns black after a few seconds

I went through a lot of threads trying to come up with the solution to this problem, monitor goes off after a couple of seconds of just hitting the blue power button, and the solution I came to is the power supply within the monitor has gone out! which is common for flat pannel monitors, but I am not saying my situation is the same as yours, if you see different colors when it goes off on you, their is other problems wrong, mine has always been the power supply and I just take the monitor to a laptop repair guy and he charges me 65 flat to repair the issue. instead of going to viewsonic which they want you to send them and pay out of pocket first before they fix your issue. I will say 65 dollars flat and 3 days of not having a monitor is better then going to the ups store and paying 65 to box it and 70 to ship it. I guess look around for an electronics expert in your area and have them take a look at it.

Posted on Nov 15, 2009

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SOURCE: Hi, My screen blacked out, However If I press the

These have age related problems on the inverter board which lights the 4 bulbs
I repair these regularly through ebay.
Most common cause is a blown fuse on the inverter board, sometimes that is caused by bad capacitors or transistors. Usually it's just from age and heat.
Fuses are marked F1 and F2 and located on each side of the white large plug that feeds the board. These can be checked with continuity meter.

Posted on Nov 18, 2009

Testimonial: "Thank's again Fran, I was looking in the wrong place, power in brown Delta board had a F1 fuse. 4th board on opposite side had F1 & F2 Like you said"

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SOURCE: Viewsonic VA912b. Monitor will only turn on for a

Bad caps in the power supply, common problems. See examples here:

Posted on Jan 07, 2010

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A monitor may have an electrical charge still in its capacitors so make sure you are properly earthed and all power plugs are removed. A second hand replacement might be a safer option.

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I cracked my screen a while back and started using a monitor for my screen, which i had no problems with what so ever. I bought a monitor off someone, as they were seeing which monitor was best they were...

I'd check the ext. monitor port for bent pins, or possibly even a broken pin - if it's bent you can probably straighten it out (very carefully using tweezers),; if it's broken then it's toast - that's pobably why you ain't getting a signal on the external.

The 2nd hand screen is either no good or improperly installed or it might not be compatible (I've seen incompatible screens where the brightness control adjustments are just ... reversed - i.e. dim means brighter, and brighter means dimmer). eBay is a pretty good source for these things (used, original stuff) so I'd check there if I still have access to the original screen (the cracked one). Check under Samsung N130 and you should see plenty of screens that are being parted out...

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1 Answer

My Windows XP is connected to my Epson Powerlite S3, but the screen is blue with the words Source: Computer (Auto) No Signal on it. When I click "Help" on the projector, it takes me to a screen...

'No signal' and 'unsupported signal' messages mean 1 of 2 things, either the VGA output is off(laptop) or the display resolution is set too high(laptop and desktop). Assuming the VGA cable you are using is good, try this:

Desktop: hook the computer back up too your computer monitor & set the computer to the basic VGA resolution. For windows XP, right click a blank area on the desktop, click 'properties' on the dropdown menu, click settings. Write down the numbers in the 'screen resolution' and 'color quality' boxes!

Drag the 'screen resolution' all the way down to then 'less' side. Then change the 'color quality' to the lowest setting. Click apply, then answer yes (the display will look UGLY - don't worry!!) Now connect your computer back to your projector. If it works, then the resolution you use on your desktop monitor is not supported on your projector. Experiment with different resolutions to see which one looks best on your projector. You will need to change the settings each time you switch monitor to projector.

Laptop: by default the VGA connector on your laptop is off. To turn it on, look for a blue symbol on one of your function (F1, F2, F3...) keys. It looks like an old TV with a line on both sides 'O' (F4 on HP) Press & hold the blue button (on the lower left of the keyboard, usually to the left of control ) and tap the bleu button you just found. Let go & give you're a computer a few seconds to change over. If the laptop screen goes blank, you found the correct button! The display image should now be visible. Repeat this 1 to 2 times to change it back to laptop display.

If you did not see the display on the projector, 2 other issues are possible. First, verify that the VGA output on the laptop is working - connect the laptop to a regular computer monitor & change the display resolution to the lowest settings (see desktop above), then try it again on the projector. If you cannot get an image on a computer monitor, your laptop settings may need to be adjusted in the same dialogue box as the settings. Monitor #1 is the laptop display, Monitor #2 is the external output.
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Screen was very strange looking, with nothing but streaks. unhooked it from computer (Mac Pro), shut down computer, rehooked, turned on monitor, rebooted Mac (hooked to other monitor), which came up...

I would try this with PC first or another MAC to make sure it is not video card problems.
If it still bad you may have to inspect the caps just like all failed VIEWSONIC as shown here.

Basic LCD monitor troubleshooting guide:

Failed TV and Monitors:
Capacitors kit: he can make you a set of caps for you.
Please post back what you find.

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