Question about Samsung Syncmaster 730B 17" Flat Panel LCD Monitor

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Lights Out? I am told that the backlight on my 730b has gone out. Can it be fixed?

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  • Michael Irwin
    Michael Irwin Mar 10, 2008

    I am told that the backlight on my 730b has gone out. Can it be fixed?

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Yah it can be fixed

Posted on Mar 11, 2008

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My samsung 730b monitor has gone dark. is there a reset or fuse that can be replaced?

this is probably a fault with the internal power supply or the backlight inside of the monitor. in certain Samsung monitors the capacitors go bad in the power supply, these can be replaced by re-soldering identical ones to the power board, which is fairly easy to do if you know how to solder. if that isn't the problem, the back lights have gone bad, which is very dificuly and probably expensive to replace. However, the monitor could be fine and you could have just altered the brightness/contrast or some other settings in the menu on the monitor itself, you could try selecting the factory reset option if it has one. Another thing that could go wrong is if someone has messed with the display calibration settings on the computer itself (unlikely).

Apr 30, 2011 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Just downloaded windows 7 onto desktop. screen is now too large. i have a samsung syncmaster 730b and it wont let me change the resolution to make the screen smaller


Welcome to Fixya. For you to be able to change the resolution of the screen you need to install the driver of your video card or onboard video and it will fix the problem.

Thanks for using Fixya.

Feb 21, 2011 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

I turned on my computer this morning. The display

press and hold ctrl and alt key at the same time then press left and right arrow key until you get the correct display.

May 03, 2010 | Samsung Syncmaster 730B 17" Flat Panel LCD...

2 Answers

Samsung SyncMaster 730B LCD monitor isn't backlit at all

Most failure in LCD monitors are due to cheaply made caps being use. If you are going to DIY repair, please read below, or if you are going to have it fixed then at least you will know if you are being ripoff or not.
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 SAMSUNG monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Apr 22, 2010 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Samsung 730b will not come on. amber light flashes

you have a weak inverter in your lcd backlight replace it

Jul 12, 2009 | Computers & Internet

1 Answer

Samsung SyncMaster 730B monitor green color problem

video controller card has gone bad need new video controller card.

Mar 16, 2009 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Monitor; Power light on, screen blank

Do you have a second monitor you can switch out? Have you checked the monitor itself to make sure it's not set for digital vs. analog (or vice-versa)? Are all cables and plugs tight and secure? Has the brightness level been turned down? These are all the troubleshooting steps I go through before anything else. There are just a few things that generally go wrong with a monitor. Since the power light is on, that rules out one of them. In this case, I'd narrow it down to the power inverter or the backlight for the screen has gone bad. The best way to check for the backlight is turn off all the lights in the room (preferably at night) and see if you can detect even the faintest of an image on the screen. If so, you know the backlight is out.
The bad news is no matter how you look at it, it's probably time for a new screen if none of the troubleshooting did anything. The good news is- monitors are cheap and geting cheaper. Shoot- I just saw had a 25" monitor for $199 this week. Almost got one but I'm afraid my wife would divorce me if I brought in yet another. Guess I'll have to wait till she needs to change the prescription on her glasses first.
Let me know if there is anything else I can help with.

Feb 22, 2009 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer


my freind you need a technician for that

Mar 11, 2008 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Samsung syncmaster

my samsung 730B moniter will not run how do I fix it?

Dec 28, 2007 | Samsung Syncmaster 730B 17" Flat Panel LCD...

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