20 Most Recent Samsung SyncMaster 931B 19" LCD Monitor Questions & Answers


There has to be a setting in the menu for the monitor...I would look in the menu in the monitor settings on the monitor itself, and find a reset selection, to set it back..

Samsung... | Answered on Oct 17, 2014


check the power cord, set to the monitor correctly, if still dead, open the monitor, check the power supply module, find some capacitor inside it, if became puffed or leaked change with new one.

Samsung... | Answered on Jul 23, 2013


I tried the following options and neither worked. 1) Hitting the monitor buttons as stated only got me a "digital" message and then the monitor went black as usual. Never got to any menu options. 2) Going into Safe Mode and changing the monitor settings or downloading/installing the correct driver didn't stick once you went back to the normal startup.

I didn't have another monitor handy to swap out so I had to be a little more creative. The only solution that worked for me is re-booting (F8 during startup) into the mode "Enable VGA Mode". This allowed me to go into the normal desktop with a screen resolution of 800x600. I went online, found the driver, downloaded it to the desktop. Deleted the video driver (Device Manager), installed the downloaded version, rebooted and....no problems.

I have Windows XP. Hope that helps. :)

Samsung... | Answered on Mar 15, 2013


hi, these mosfets are obsolete now, do you know a good equivalent for them?

Thanks

Samsung... | Answered on Dec 08, 2012


Did it happen all of a sudden? In other words, was it OK before?

Try going to screen preferences, settings, and look at the resolution slider - is it set to the native resolution of your monitor (1280x1024)? If not, correct and accept changes.

If the resolution is set OK, then multiple other things might have happened, but not knowing a bit more about the situation it's hard to advise anything...

Samsung... | Answered on Sep 12, 2012


press the menu button until for couple of seconds and this will disable the lock!

Samsung... | Answered on Sep 27, 2011


There is no risk of radiation through an LCD. Only blinding light that can give you a headache. (I tried using a CCFL as a desk lamp. Headache follows, and despite what people keep telling me, I don't think I look like was born at Chernobyl.) As for the scratch, you must first come to terms that your monitor will never again be perfect, and then decide what is the best course of action for yourself and your skills with the understanding that this will not be easy and it will take quite some time. Personally, this is what I would do. Use something to very carefully blot the bright spot, I would probably use a tiny bit of ink on the tip of a sharpened toothpick. (Apply at a bit of an angle parallel to the scratch to avoid pressure points and stray ink.) It is better to have small dark spot on the screen than a bright one. Next, turn off then unplug the monitor and lay it down as flat as possible. Then, with a very soft touch, clean the entire screen with a gentle sanitary wipe. No strong or abrasive cleaners. If t.p. is what you have than that is what you have. If the wipe is dry, put just enough water on it to make it just damp enough to clean the surface. Take a damp q-tip and dip it in some ash then brush off any rough particles. Gently rub the ashen q-tip along the scratch lengthwise using as little pressure as possible. Rubbing across the scratch may make things faster, but will make the blemish larger, trust me. Repeat with the ashen q-tip until you are satisfied that the edges of the scratch are no longer rough. Very carefully with a barely damp fresh wipe, remove the rubbing's from the screen. Here comes the hard part. What to use to help close the gap, and gloss the finish. Nothing that I have seen or tried is perfect. My fist choice would be to leave it and thank whoever you do or don't pray to that it still works. If this is not acceptable, then if possible, get or debo an anti-dust or anti-glare or privacy screen for the monitor. If this is not possible, but you have access to a water based clear acrylic pen with a satin finish, you could go with that. Do not use gloss or high gloss, shiny things attract attention. Whatever you use to cover the scratch, make sure it is water based, because the solvents in others will tarnish or melt the plastic overlay of the LCD. Another possibility is, if you know someone in the area who paints, perhaps you could get a little water based clear coat with a satin finish, and use a tiny bit of sponge to apply it to the screen. Using even a small brush will leave brush strokes, but if that is what you have, then that is what you have. Best of luck to you, I hope it works out. :)

Samsung... | Answered on Sep 19, 2011


It may have unstable DC voltages due to failing DC filter caps which is very common problem to all LCD monitors as shown in my albums.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Samsung... | Answered on Aug 29, 2011


Hi

This is a problem with a high magnetic field hence you need to de-goz the screen. Or leave it un-used for some time and it will be alright by itself.

Maybe when you were shifting you have kept a speaker with big magnet around the monitor thats why this has happened.

Dont worry it will go bad to normal by itself.

Samsung... | Answered on Jul 16, 2011


If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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/albums/yy352/budm/SAMSUNG/
http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Samsung... | Answered on Jul 14, 2011

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