20 Most Recent Samsung 931BF 17" LCD Monitor Questions & Answers

I have the same monitor, and twice I've experienced this exact problem. In my case, the video connectors have relaxed. If I wiggle the cable, I can make it better or worse, so it's time to disconnect, reseat. I don't know if it will work for you, but it's free!

just unplug the monitor and replug it after a few seconds, My streaks disappeared, It works like the degaussing button which got rid of built up static.

Blue tint/cast over the whole screen can eb from video cable is not properly seated/bent pin, or in the Video card. I would try checking and reseating the video cable first, also try it on another PC to find out if your PC has the problem or not.
Please leave rating if it helps.
Basic LCD monitor and TV troubleshooting guide: http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting http://www.fixya.com/support/r7406380-tv_training_manuals Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps. Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

There is problem in cablee

Look for bad caps first, then the inverter circuits.
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 SAMSUNG 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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
http://www.badcaps.net

More likely to have power supply problem when it does strange things.
Very common problem with all LCD monitors. Look for caps with leaking/bulging tops.
See failed SAMSUNG and other brands here to get some idea what to look for inside if you are going to DIY repair.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Try it on another PC, if it still does not work and you want to DIY repair, please read below and look at pictures.

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: 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

I've never opened one of these units, but I think you're right...a broken, cracked, or "cold solder joint"...had that problem on boards a lot of times. What has been assembled, should have a way of disassembling, unless the plastic was molded or glued after assembly, which is almost never the case, to my knowledge. Sometimes screws are hidden under labels, paper or metal plates, anywhere, really. If you can drop by a computer repair shop, you might be able to pick their brains about where the screws are, just depends on the person working there. Only other choice is to get the repair manual, but they're expensive and hard to locate, sometimes. Anyway, keep working on it, I think you'll figure it out!

http://www.raincitystory.com/flash/screenclean.swf

You have to check keyboard and the cable which interconnect main board and keyboard it could be damaged.

Manufacturer's Website: Go to the manufacturer's website (visit the official Samsung website in this case). Click on the support section, search your monitor model by product name or model number, and download your monitor model for the user manual. User manuals usually list codes and other relevant information. User Manuals Online: Many people post user manuals online for all types of electronic devices and peripherals. You can search for your monitor and look for the user manual at sites such as ManualsLib, ManualsOnline, or Retrevo. Most of these sites will catalog user manuals for a wide variety of devices posted online by users and are normally free to access. Physical User Manual: If you still have the original box or packaging with your monitor, there might be a copy of the user's manual in that box or enclosed. It might be in an actual printed booklet or perhaps just some links to online resources. Check under a section entitled 'Remote Control Codes' or 'Setup Instructions'. Contact Samsung Support: If no luck finding it to download or to help you, there is contact support available, they should know where that information is, and be able to send it to you or refer you. With these, you should be able to find the user manual for your Samsung 32" curved screen display and enter those codes.

http://www.samsung.com/us/support/owners/product/NP530U4B-A01US

Ask the makers for product support. This is basically a refined hack tool.

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Go to samsung.com for updates, if available.

The Samsung GT-C3520 flip phone does not connect to any wireless LAN. The phone only has GSM network connectivity. The manual for the Levant GT-C3520 is available here: https://www.samsung.com/levant/support/model.GT-C3520HAATHR/ . The current link to the manual is https://downloadcenter.samsung.com/content/UM/201202/20120227115742198/GT-C3520_UM_EU_Eng_Rev.1.0_110915_Screen.pdf . The specifications for the C3520 are available here: https://www.gsmarena.com/samsung_c3520-4218.php . I wish that I had better news for you. Cindy Wells

There may be a solution here, but I have never messed with SQL. https://dba.stackexchange.com/questions/88982/how-to-repair-database-consistency-errors

Sounds like the phone is on a contract with a different supplier. Contact the original SIM supplier, EE, O2, Vodaphone etc and ask them to unblock the phone.