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Suyama mj7cna monitor no display after power cut

Suyama mj7cna monitor showing green light but no display after power failure

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I switched my 23" hannspree monitor off using the on screen off switch, now when I switch it on the light at the bottom of the monitor shows green then turns amber and the monitor won't come on. This is a...


Normally, monitors will show green (or other color) when there is a video signal available.
Amber is fairly common to announce 'I'm here if you need me.'

Jan 12, 2015 | Hannspree Computers & Internet

1 Answer

The display shows no image


Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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 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

Jun 02, 2010 | Chi Mei Corporation 221D-NBC Monitor

1 Answer

Montitor display turns off. Not power, green light stays on.


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 Dell 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

Similar board: http://www.lcdrepair.us/SE178WFPcinverter-power.html

May 14, 2010 | Dell SE198WFP LCD Monitor

1 Answer

Fan for my acer 3690 spins, green light is on but no display show


Look to See If Your Hard Drive/Data Indicator Light is on and blinking (or solid)..
You need to try and hook up a desktop monitor to the laptops serial port.. Reboot with the External Screen Plugged Into The Laptop.. If You See Windows Booting From The External Monitor - Then You Have A Faulty Screen, or possibly a faulty Display Cable.. Most Likely The Screen Has Failed Though... Also, Hold The Screen Up To A Bright Light while its powered on, You Might have just lost the backlight and have a display still, It will be REAL faint but holding it up to a light and looking to see if you can see Windows Running..

If No Display on the External Monitor When Connected To The Laptop, Then You Have GPU/Graphics Failure, Due To Thermal Damage.. This Is A Motherboard Issue Because The Chips Are Integrated.. A ReBake/ReFlow Of The Chips Will Get Your Video Back, Or Replacing The Motherboard.....

Nov 15, 2009 | Acer Aspire 3690-2196 Notebook

1 Answer

AcerAL1714 LCD Not Connecting With DELL Inspiron 15 Vista Laptop


There is a symbol of Two monitors on F3 Or F4 button

1. Press Fn key and hold it
2. by holding Fn key press F3 key

Your monitor will start displaying

Oct 05, 2009 | Acer AL1714 17" LCD Monitor

1 Answer

Viewsonic Va912b monitor


it seems that there is a problem in the lcd back light or may be in power supply section

Sep 12, 2009 | ViewSonic VA1912wb 19" LCD Monitor

1 Answer

Tatung monitor Power light shows yellow light.


It sounds like your resolution or refresh rate is out of reach for your screen.


Restart your computer (even if it will be manually unplugging the power cable)

If you have no display while your computer starts up; you might have a hardware failure. Swapping your screen out, or plugging it into another computer (that works) will confirm if this is the issue.

If you can see the computer starting up you can press F8 (on your keyboard) continuously just before Windows can start.

Select "Safe mode" so that you will have the basics of screen settings.

Now you can go to control panel, display and click on the Settings Tab at the top. Change your settings to a rather default "1024x768" resolution and change your referesh rate to nothing more than 75hz under the advanced icon.

Hope this helps!?

Jul 07, 2009 | Tatung L17AMTN 17" Flat Panel LCD Monitor

1 Answer

Monitor L17AMTN flashes WinXP desktop, then blanks.


dmellman, Before you open it up, try this! With fully booted pc and WIN DESKTOP screen up, reconnect the L17AMTN . Have a bright flashlight handy so that when the lcd screen flashes on for 1 second and then goes dark, you will want to check to see if the desktop remains on the screen even though you think it went away. Shine the light 1-2 inches from screen at different angles. Has the desk top completely disappeared or is it still being displayed? Do you know about Cold-Cathode-Fluorescent tubes and their Inverter type power supply? I assume that this unit also has a "lay on floor black box switch-mode-power-supply" that is supposed to supply raw 12v-14v dc to the monitor? This symptom is typical of lcd monitor power supply failure, and or inverter board failure. Not to mention the fact that the CCFT's could be a bit tired from use. YOUTUBE has some videos on taking apart lcd monitors. also do search on web for "bad caps on lcd boards" or "bad caps in lcd monitors". I should think that this Tatung might suffer from swollen cap-itis. get back to me with results of your investigation. Im louie12fix on fixya or lmistyrel@aol.com just nrth of Windy City

Apr 17, 2009 | Tatung L17AMTN 17" Flat Panel LCD Monitor

1 Answer

Hi my lcd suyama 17" computer monitor will not turn on. the green light next to the `on` button flashes but apart from that there is no life at all.


Its not getting a signal from your video card or onboard video.

Are you connected by a VGA cable or a DVI Cable. Or does it have an adapter from VGA to DVI?

Check and see if the moniotr it set to DIGITAL instead of ANOLOGUE. If so, switch to the other.

If you press the monitor settings buttons, does anything show like options to adjust contrast?

If so then it most likely your computer.

Apr 15, 2008 | Computers & Internet

9 Answers

There is power but no display


Your symptom is commonly caused by failure if the inverter circuit. It is made by Sampo. The inverter powers the backlights. Replacing the inverter is the first step to resolve the problem.

Oct 10, 2006 | MPC Computers AOC 7F 17" CRT Monitor

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