Question about ViewSonic VA1930WM LCD Monitor

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Monitor has blue power light on but no picture from harddrive

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Try it on another PC first.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

Posted on May 16, 2010

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Posted on Jan 02, 2017

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Checked connections, all good. Tested with another Winplus monitor, it works . The car battery was changed since then monitor has no picture but power button is on (blue). Menus not working either??????


If another monitor works in place, it sounds like you've found the culprit. If the other monitor works completely normally, and you aren't even seeing menus on that monitor, AND the power button is blue (which normally indicates powered and in use), it sounds like the back light or some internal connection on that monitor is bad. Hope that helps and good luck!

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1 Answer

When I came home today the blue monitor light was on, but there was no picture. When I moved the mouse to get the monitor up, the light went out. I've tried unplugging it and plugging it into...


Here is a link to a repair guide for the LG L196WTQ. It sounds like you have a power supply failure and the guide shows how to open the unit, check the power board and then what to replace if you do find bad capacitors.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/

Problems like wavy or flickering picture, flashing power light, slow to display the picture or no power at all are all symptoms of a failed or failing power supply board.

I hope this helps, if so please rate my solution.

BuddyMc

Jul 25, 2011 | LG L196WTQ Monitor

1 Answer

My samsung LCD monitor display blank but blue light is blink.


Hi,

Check to ensure all connections are in good place and are properly connected, if they are and yet no display, the picture board on your monitor is faulty, since the power light is on, it means the picture board of your monitor has developed fault.
take the monitor to a local repairer within your vicinity to help with the replacement of the picture board.

Dec 10, 2010 | Samsung SyncMaster 740N (Silver) 17 inch...

2 Answers

Monitor has blue power light on but no picture from harddrive


I assume you have already try it on other PC, otherwise you may have problem in the power supply (bad caps), inverter circuits (transistors, transformers), lamps (worn out or poor solder connection). You will need to open it up and post back what you see inside so we can guide you further. See example of failed monitors due to bad components: http://s807.photobucket.com/home/budm/allalbums

Mar 24, 2010 | ViewSonic VA1930WM LCD Monitor

3 Answers

Slow flashing blue power lite. Monitor shows no


First when you power up the computer press F8 key then enter in enable vga mode.
If you are able to enter then go to start menu->control panel->display property ->settings.
Change screen resolution to 1024*768 then apply and ok.
But if you are not able to see safe mode and other menu.
Then open cpu cabinet .
Refix RAM memory.
Pull cmos cell from motherboard for 10 minutes.
Reattach all connection harddrive.
Open processor fan and processor remove dust from all parts.
Make sure motherboard is not ground with cabinet.
Remove PCI cards if any.
After all above still same then change RAM then try.
Let me know if you need further assistance.
Thanks for using FixYa.

Dec 19, 2009 | Gateway DX4640-UBC01A PC Desktop

1 Answer

Mine similar except the blue light stays on ,monitor goes black


Have you tested the monitor? The monitor could be faulty. Try hooking up the computer to another monitor or another computer up to that monitor if possible. If the monitor is testing good then make sure all USB devices are disconnected and try to boot again. Then open the case and blow out any dust. Check the motherboard screws are tight. If the screws holding the motherboard to the case are loose it can cause a grounding issue. Then swap out the power supply with a working one and see if that fixes it. Disconnect hardware one at a time and re-boot. One of the devices...cd-rom,harddrive,ect could be faulty. Make sure the video card is fully seated and test the card in another working computer or test a working card in that computer. If it has on-board video then install a video card if available and see if it works. If none of these things work then the board is bad and needs replacement.

Sep 10, 2009 | SimpleTech SimpleDrive Pininfarina 320GB...

1 Answer

Screen does not turn on but green light is on.


Green light indicates the monitor is getting power. Nothing coming up on the screen indicates, No Signal.

No signal from the computer. This means the computer itself isn't working.

A bad power supply in the computer can cause this. A bad power supply is the leading cause of desktop computer failure. It is replaceable, and can be done by the owner relatively easy.

You may have a computer tower that the Power light comes on, you hear fan/s spinning, (Including the Power Supply fan), and it sounds like the harddrive is running.

ALL the lights in your computer use less than 1 Watt.
EACH fan uses 2 to 3 Watts.
A harddrive sitting there spinning in an endless loop, consumes about 2 to 3 Watts.

A Processor uses 51 to 125 Watts. Depends on what Processor it is.

A weak Power Supply will have enough power for lights, fans, and that harddrive sitting there spinning.
It won't have enough power to turn on the Processor.

[No processor operating, then the harddrive sits there spinning in an endless loop, because there is no processor to find the boot sector]

For a test, connect your monitor to a know good computer. See if it works.
Now connect that other monitor to your computer.

Sep 05, 2009 | Sampo P7011M (Silver) 17 in. Flat Panel...

1 Answer

Harddrive issues.


I would suggest 2 things.
Open the PC up and reseat the RAM stick/s.
Also reseat the graphics card if applicable.
If the monitor still doesnt get sync take out the pci cards and see if it will POST.
If so plug your PCI cards back in one at a time to diagnose which is the faulty one.
Also it could be your graphics card, take it out and use the O/B graphics see if the monitor will get sync off the O/B.
If this doesnt help please supply more information.

Jan 16, 2008 | Gateway (M520HD100G) Hard Drive

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