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Hello i have a lcd monitor HNC model:HSG1065 when i plug the vga cable the screen turns on and then turns of it keep turning of and on i can watch everything on the screen but it keep turning of and on if U guys can help me out pls let me know thnx

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  • 21 Answers

Have you try it on another source?

then I would suggest you look inside and see if any condenser are carved (top not flat) mean that the electrolite is dryed)

then all condenser need to be replace.

Posted on Jan 04, 2014

  • 1 more comment 
  • jean-paul Hernandez Jan 05, 2014

    Do U mean if a capacitor are flat thats good but if it not flat it is damage?

  • jean-paul Hernandez Jan 05, 2014

    What U mean with replacing all condenser

  • jean-paul Hernandez Jan 05, 2014

    How condenser look like? Because i know capacitors but condenser i don't know how it is

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Either the VGA card or the monitor can not display the resolution correctly, so you need to get it back to where it was, this solution is for Windows users (not sure about other OSs), reboot your system and and get in the options start-up screen by pressing F8 at boot, choose safe-mode with VGA, if you see your desktop normally here then it's definately the screen resolution, set it back to a lower resolution (try 1024X768 and go downwards until it works fine), restart your system normally and you should be able to test new resolutions again, if it won't work using VGA mode then you might need to uninstall your VGA card but make sure that you have the correct driver for it before uninstalling, also please disable any onboard graphics card if you have one. I hope this would solve your problem, please feel free to ask if you any further questions regarding this matter. Thanks

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SOURCE: Lcd GEM Gl-822A--dont show image

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SOURCE: westinghouse lcd monitor 19" - screen turns white

Fade to white might be caused by a bad or open connection to the backplane or bias voltage setting of the LCD. Check the connectors and cables between the LCD and the main board. Also, look for loose or disconnected ground wires.

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SOURCE: gateway monitor, black screen with blinking power button

wjfarm48, Sure sounds like a power supply problem. How old is it? How many hours of use? Do you understand what a switch-mode-power-supply and an inverter supply is? If not, then here are your options. Check with Gateway to see if there is a swapout program. You box up and ship them your monitor+cash, and they return a REFURBISHED same model with new CCF tubes and inverter/SMPS. When you box up the monitor, follow this lead. "A 3 inch thick layer of breathable air shall be the only thing touching the lcd front panel" Next option is find some local TV/Monitor repair guy who can get parts and or replacement boards/CCFtubes from Gateway. Last but not least, is to repair yourself. Not Recomended.. But do a search on lcd monitor repair or Bad Capacitors In LCD Monitors or Repair of SMPS in LCD/FPD Monitors. Also check for videos on YouTUBE related to lcd monitor repair just for your own info. Here 's what you are dealing with. The light that makes your FPD bright white is generated by Cold Cathode Fluorescent Tubes (2) that require 600-1200vac at high frequency that is generated by an INVERTER which gets 12-24vdc from the SMPS. Almost the same technology is used in the new style screw-in curlie-que Compact Fluorescent light bulbs. Only they call the inverter a electronic ballast. Anyway, thats about all the info I have. Let me know how you make out in you quest to get your LCD up and running again. I'm louie12fix on fixya or lmistyrel@ aol.com BYE for now.

Posted on Apr 03, 2009

  • 2 Answers

SOURCE: black screen with message about no input signal

might be something wrong with your monitor's data cable

Posted on May 21, 2009

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I recently replaced the battery in my acer aspire 5532. Less than a week later when I turn it on the screen remains black. You can hear the computer starting and the indicator lights turn on but nothing...


Oh, OH!..........................

1) Does the laptop feel warmer than usual?

2) Have you noticed any strange behavior?

Staying up late at night?
Excuses why there are DVD's all over the place?
Refrigerator door is left open?

Any mention, why there is an M1A2 Abrams tank sitting in the living room?






OH,.......I'M JUST KIDDING!



A) Laptop on, take a flashlight, and shine at the LCD screen; at various angles

See faint images?

(Ah HA! Busted! Somebody's holding a thin curtain up inside the Display Assembly!........................Not funny?..................K)

B) I would like you to connect a VGA monitor, to the VGA port (connector) on the laptop.
This test will show us if the laptop is working okay, but the problem is the Video Cable, or inside the Display Assembly.

It also tells us if the graphics chipset is good.

Laptop OFF, monitor OFF, connect a VGA monitor; to the LEFT side of the laptop; and to the Blue VGA port.

This is a general example of a VGA connector (port), and VGA Cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for the VGA Cable example.

You can use one of the older CRT types of monitors, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

C)Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings the display should automatically, on the external VGA monitor.

IF not;
There are at least 3 display options available;

1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold the Fn key down, and at the SAME time tap once on the F5 key.
The F5 key is the Display Toggle-Over key

Still no?
Hold the Fn key down again, and tap the F5 key once more.

IF, the display shows on the external VGA monitor, then the problem is the Video Cable; or inside the Display Assembly.

[Inside the Display Assembly would be screen Inverter, or LCD screen ]

http://battery-adapter.com/product_info.php/products_id/3408/vAspire+5532+Series

The plastic frame in front of the LCD screen, is the Display Bezel.
Acer? LCD Panel Bezel, or LCD Bezel

http://www.youtube.com/watch?v=9_UtDnQuQUA

Go to 0:45
The green rectangular object that was behind the Display Bezel, and is mounted to the bottom of the LCD screen; is the screen Inverter.
As you can see it's a green colored, rectangular circuit board.

Just showing you location. If it is decided to replace it, I will step by step you through the procedure.


Now a small primer if I may;

An LCD screen cannot produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, (Or more than one), or a series of LED's
(Light Emitting Diode)
As far as I can tell the Aspire 5532 uses one (1) CCFL for a Backlight,

https://www.laptopscreen.com/English/model/Acer/ASPIRE~5532/

However, Laura, this is not 'etched in stone'.
If your Aspire uses LED's for a Backlight, it will be stated on the Palm Rest Cover.

A CCFL is a Cold Cathode Fluorescent Lamp. (Bulb)
Similar to Fluorescent lighting used in homes, and businesses; but on a much smaller scale.

Average thickness is 2mm. That is a little larger than 1/16th of an Inch, or about the width of this capital letter -> O <-

Average length is almost as long, as the LCD screen is in height.
View the last 8 photos,

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

A screen Inverter is used to convert the power (Electricity), from the laptop; for the LCD screen, and Backlight.
90 PERCENT of the time, the fault can be attributed to a bad screen Inverter.

CCFL backlighting uses a screen Inverter.
LED backlighting GENERALLY does not.

Primer over.

Please post in a Comment, as to whether the display shows on the external VGA monitor.
We will diagnose from there.

Regards,
joecoolvette

http://solutions.3m.com/wps/portal/3M/en_US/NA_Optical/Systems/BehindTheScenes/Optics101/

Click on the monitor icon

Apr 08, 2013 | Computers & Internet

1 Answer

My hp dv5000 screen is blank


Problem can be;

A) Graphics chipset
B) Video Cable
C) screen Inverter
D) LCD screen

Let's diagnose, and find out.

A) Graphics chipset:

To start off with, the Pavilion dv5000 series of Notebook PC's; is NOT known to have a problem with the graphics chipset.
The Pavilion dv2000 series, Pavilion dv6000 series, and Pavilion dv9000 series; does.

1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port; on the laptop.
The VGA port is on the Left side of the laptop, and located towards the rear.

This is a general example of a VGA connector (port), and VGA Cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for VGA Cable example.

You can use a CRT type of monitor (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.
IF not:

There are at least 3 display options available;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the SAME time tap once on the F4 key.
The F4 key is the Display Toggle-Over key.

Still no? Hold the Fn key down again, and tap once more on the F4 key.

No display on external VGA monitor, suggests a problem with the graphics chipset.
(Most of the time it is a problem with the Mounting, of graphics chipset TO motherboard. If this proves to be your problem, state in a Comment )

Display on external VGA monitor means the problem is the Video Cable, or inside the Display Assembly.
(screen Inverter or LCD screen)

B) Video Cable:

The Video Cable plugs into the motherboard, in an area under the Switch Cover.

(Left side.
Switch Cover is the plastic cover above the Keyboard, and below the LCD screen. Has the Power On Button, LED indicator lights, etc in it)

It then loops by the left Hinge, and goes up into the Display Assembly.
There is a small separate wire that comes from the main Video Cable, and connects to one side of the screen Inverter.
The main part of the Video Cable goes on, to connect to the back of the LCD screen.

Example of Video Cable,

http://www.batterycentury.com/hp-430531-001-cable-p-215726.html

Click on image to enlarge.
The wide connector you see at the top/left, connects to the back of the LCD screen.

The wide connector at the bottom/right, connects to the motherboard.
The single cable (Wire) coming off at the bottom, connects to one side of the screen Inverter.

Just due to normal repeated opening, and closing of the laptop; the Video Cable may become pinched.
This leads to it being pulled on, and may also lead to damage of the Video Cable.
(Stretched/Broken wires)

Procedure is to Physically check the connections of the Video Cable. Visual inspection alone will NOT do. You need to physically see if you can plug the connection in tighter.

1) ALL power removed. Remove the AC adapter (Charger), and Battery.
2) Remove the Switch Cover.

[Switch Cover is just that. A Cover. I will give a link to a free Service Manual from HP Support, towards the bottom of this solution ]

Try to plug the Video Cable connection at motherboard, in tighter.
Once done reinstall the Battery, and attach AC adapter. Plug AC adapter into power.
Turn the laptop on.

Still no? Turn laptop off. (Hold down on Power On button)
Remove ALL power again.

This time check the Video Cable connections at screen Inverter, and back of LCD screen.

The plastic frame in front of the LCD screen is the Display Bezel.
Example,

http://www.ebay.com/itm/447997-001-HP-Pavilion-LCD-Display-Bezel-DV9000-Series-w-Webcam-GENUINE-/170992584210?pt=US_Laptop_Screens_LCD_Panels&hash=item27cff3c612

Service Manual indicates to remove Display Assembly from laptop, in order to remove Display Bezel.
IMHO this = NO.
I think you can remove the Display Bezel, without having to remove the entire Display Assembly.

This video details removing the Display Assembly.
Shows replacing the LCD screen.

http://www.youtube.com/watch?v=NNyvf4KqeIY

What my concern is with removing the Display Bezel, is the integral Hinge Covers that are a part of it.

I believe the Display Assembly can be tilted far enough back, that the Display Bezel can be removed, and carefully ease the Hinge Covers out/off at the same time.

Why not just remove the Display Assembly?
A whole lot less stuff to reconnect, after you have checked the LCD screen connection of the Video Cable, and screen Inverter connection.

After disconnecting the LCD screen from the Hinge Brackets, you just tilt the LCD screen forward, and check the Video Cable connection.
Then slightly tilt the Display Cover back, so the LCD screen can rest against it, and reinstall power.

Connections are plugged in tighter, and this proves to Not be the problem, go on.
(Don't forget to remove ALL power again)

The Screw Covers are made of synthetic rubber, or plastic.
They are held in place by a type of rubber cement.
I like to use a computer pick, (Much safer than a blade!), and lift up at the base of the Screw Cover.

I also like to GENTLY stick them to the Display Bezel for safekeeping. (They like to stick to the tool, your fingers, and it seems passing cars. "Oops, dropped one. Where'd it go? Hmmmm)

If you are careful with them you can reuse them. (Doesn't stick anymore? Apply a TINY dab of rubber cement to them, with a toothpick)

Screws removed, I suggest cut a piece of thick construction paper, that just fits the inside edges of the Display Bezel.
Helps prevent scratching the LCD screen, from your fingernails, when you go to flex the Display Bezel, and remove it

The LCD screen is an Assembly of layers. They are held in the factory aligned position, by the metal Screen Frame which surrounds them.

There are screws that hold the Hinge Brackets TO the Screen Frame, and there are screws which when removed, will take the Screen Frame apart.

ONLY remove the necessary screws which hold the Hinge Brackets, TO the Screen Frame!

More in a Comment.
Regards,
joecoolvette

Feb 24, 2013 | HP Pavilion dv5000t Notebook

1 Answer

Acer Aspire 5536 only gives black screen when i connect power supply


  • Nothing is more annoying than a monitor that refuses to turn on. Make sure your Acer monitor is plugged in to a functioning outlet. If it's plugged into a power strip, try replacing it with a new one or moving the plug to a different outlet. Ensure that both ends of the power cable are plugged in firmly and securely, and that the connection to the monitor is not loose.
Cable Issues
  • Your Acer LCD monitor will usually accept DVI and VGA inputs. If you have an older computer, a VGA cable should work fine. If it doesn't have a VGA port, you'll need to obtain an inexpensive DVI to VGA adapter at your local computer store. A DVI cable, however, is compatible with most modern computers and offers superior picture quality over VGA. Make sure you're using the cable that's compatible with your system, and that you have the proper conversion adapter, if necessary.

Jun 19, 2012 | Computers & Internet

2 Answers

Have a Gateway Notebook KAV-60 with a broken screen. Trying to connect to an external monitor without any prompts or commands, as I can't see the screen. With an Acer Netbook I just plugged in the


Make sure the vga cable is in tight on the kav-60 and the external monitor.

Try the keystrokes to toggle the display. Normally you would Press and Hold the FN function key located at the lower left on the keyboard then hit the key F1 thru F12 that toggles the display. The correct F1 thru F12 key to hit will have LCD/CRT on it or it will have the icon of a display. The display toggles in three stages ( laptop only, external only or both laptop and external).

Apr 29, 2012 | Gateway Computers & Internet

1 Answer

Screen blank with white dot


Problem with;

1) Video cable:

A) Video cable connection on motherboard side is loose, and/or on back of LCD screen.

B) Video cable is damaged.

2) screen Inverter:

screen Inverter is bad.

3) LCD screen:

LCD screen is bad.

4) Graphics chipset:

Graphics chipset is bad.

Suggest you connect a VGA monitor to the VGA port (Connector) on your laptop.
See if the problem is the graphics chipset, Or video cable, Or display assembly.

You didn't state what manufacturer and Model Number of laptop this is.
All I can do is state generic information.

This is an example of a VGA Cable, and VGA connector,

http://en.wikipedia.org/wiki/VGA_connector

The VGA connector will be on the side, or back of your laptop.
For the VGA monitor you can use a CRT type monitor, (Looks like a small TV), or a flat LCD screen monitor that has a VGA cable.

Laptop OFF, monitor OFF, connect the external VGA monitor to the laptop.
Turn the monitor on. If a CRT type allow it to warm up.

Turn the laptop on.
By default the display should show on the external VGA monitor.
IF not;

There are at least 3 display options.
1) Laptop internal monitor ONLY
2) Laptop internal monitor AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the same time tap once on the Display Toggle-Over key.
(For an example HP's usually use the F4 key for a Display Toggle-Over key)

Display shows the same on the external VGA monitor?
You have a bad graphics chipset.

[ Some laptops have been erroneously stated as having a graphics card, when in fact they do not.
The GPU (Graphics Processing Unit) is soldered directly to the motherboard.
This is Integrated Graphics.

http://en.wikipedia.org/wiki/GPU

There is no changeable, replaceable graphics card. Therefore the solution is motherboard replacement ]

IF, the display is good on the external monitor, you have a problem with the Video Cable, and/or in the Display Assembly.

After diagnosing with an external VGA monitor, post back in a Comment.
Also post the manufacturer name, and model number of the laptop.

Regards,
joecoolvette

Apr 22, 2012 | Computers & Internet

2 Answers

Moniter keeps turning off saying no video imput


Hello and Welcome to FixYa!

Check that the Input signal cable is properly inserted in the VGA socket. Secondly the Primary VGA is properly giving display signals to the Monitor/LCD. Because there are cases in which VGA is the bottle neck of the trouble you are facing.

Cross check and update me with the status,

Best of Luck,

Do RATE the solution, If found Helpful,

Concerned.

Jun 13, 2010 | HP vp17 Monitor

1 Answer

Keeps turning off


Make sure the VGA cable is plugged in all the way and screwed down. These units were made in 2002 so it may just be too old to go on. A repair would probably cost more than a new or used flat screen LCD.

Aug 20, 2009 | HP Pavilion MX75 17" CRT Monitor

1 Answer

HOW MUCH FOR PLUG FROM SAMSUNG FLATSCREEN TO LAPTOP


You mean the VGA cable? You can buy it from PC stores. Just ask for the VGA cable.

Jul 22, 2009 | Samsung SyncMaster 191T 19" Flat Panel LCD...

1 Answer

Problm with viewsonic va712b


Hello,

It may also be a problem with your video card, I've already seen a problem likewise, try to remove and replug your VGA card and try again, if you can try to plug another screen on your PC and to plug your screen on another PC, then you'll be sure

Nov 05, 2008 | ViewSonic VA712B 17" Flat Panel LCD...

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