20 Most Recent AOC LM 720 17" Flat Panel LCD Monitor Questions & Answers


It does the same when attached to another PC?
If it is the monitor problem, then more likley to be the power supply section which will be the first place to check.
See examples here: http://s807.photobucket.com/albums/yy352/budm/AOC/

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/ 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.

AOC LM 720 17"... • Answered on Aug 01, 2011


Lower your resolution

AOC LM 720 17"... • Answered on Jul 03, 2011


It probably has the same problem as the 19" version as you can see here and all other brands as well:
http://s807.photobucket.com/albums/yy352/budm/AOC%20LM729/

Make sure to replace them in a set with good quality caps, not generic type.

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/ 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: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

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.

AOC LM 720 17"... • Answered on Mar 10, 2011


Seems the menu button of the monitor is stuck. Turn off the monitor and the with the main power supply. Spray an air duster or w40. then try to push one after the other and check it the button is working much better now.

AOC LM 720 17"... • Answered on Mar 10, 2011


No. All you need is to plug it in the monitor first before plug in it into the mains. The power supply of the monitor has its own capacitor that needs to be charge and the way to charge it is to plug it in to the monitor and turn it on working for at least 20 minutes. You will see the difference.

AOC LM 720 17"... • Answered on Mar 10, 2011


I guess it's mpu chip problem. you need to change it as the backlight and the mpu chip didn't work properly.

AOC LM 720 17"... • Answered on Mar 09, 2011


For that first open cpu cabinet cover then reconnect RAM memory and clean dust from all parts. Also reconnect both connection to harddrive. Then when you power up the computer press F8 key 5 to 6 times then enter in enable vga mode and change screen resolution to 1024*768. Also uninstall graphic driver then reinstall Then it will work again. Let me know if you need further assistance. Thanks for using FixYa.

AOC LM 720 17"... • Answered on Nov 30, 2010


There is a new one at Amazon.com.
heres the link.

http://www.amazon.com/HQRP-Adapter-Monitor-Replacement-Coaster/dp/B0025UAFYE

AOC LM 720 17"... • Answered on Aug 30, 2010


try to check the capacitors

AOC LM 720 17"... • Answered on Apr 25, 2010


More likely to be bad power supply due to bad caps, open it up and inspect the caps for bulging top/or bottom seals. Post back what you find inside so we can help you further, examples of failed monitors: http://s807.photobucket.com/home/budm/allalbums

AOC LM 720 17"... • Answered on Jan 25, 2010


Seems that you have set the resolution on your graphics card to a setting higher than the maximum resolution supported by your monitor.
Try to boot into Safe Mode & lower the resolution of your graphics card. If not possible, go to Device Manager & remove the graphics card from it, then reboot your computer. This will reset the resolution.
You can then re-install your graphics card drivers & get it to work properly.

AOC LM 720 17"... • Answered on Jan 04, 2010


Get both inverter board and backlight fluorescent bulbs from eBay.

AOC LM 720 17"... • Answered on Jul 05, 2009


try to resolder all lost contact on flyback transformer..............................

AOC LM 720 17"... • Answered on Feb 15, 2009


Hi,

According to LCDParts, an inverter for an AOC LM700 would cost $69.99. Specs (with picture) are available here.

Perhaps you can do a Google for lesser priced versions.

Good luck and kind regards.

AOC LM 720 17"... • Answered on Jan 26, 2009


Sorry to say, but it sounds like you power board is due for an overhaul.
It should be fixable since it does show signs of a little life left in it.
It would have to be taken apart. A visual may tell for sure.
Look for bulging capacitors (canister looking things) This a sign of a typical failure.
Of course, not all capacitors bulge when they go bad. That would make things too simple !!
ebaysbammbammfran

AOC LM 720 17"... • Answered on Oct 12, 2008


Hi,

Normally the orange light should turn green when everything is a go. Often the problem of orange light is not really the monitor but the PC. There is not video output from the video card and the monitor in sensing this assumes that the cable is unplug and thus does not switch on (green).

The sure way of determining which is at fault is to try and use a different monitor to your PC (as well as the cable). Should problem persist, then it is the PC that would need to be checked. On the other hand, if the PC works with another monitor, then you have just verified that indeed the monitor is defective.

Should you have verified that it is the PC, suspect would either be the video card and/or the memory sticks. In some instances cleaning with a pencil eraser the little gold pins of either the video card and/or the memory sticks helps.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

AOC LM 720 17"... • Answered on Mar 26, 2008


For some reason, it seems as if your monitor has either lost the video signal or the capability to interpret the siganl. If you have the ability, put a second monitor (or tv) to your computer. See if you get a video siganl. If you do, then your monitor has an internal issue with the signal and needs to be addressed "hands on" by a technician. If you do not see a video, then your problem lies within your video card. Good luck.

AOC LM 720 17"... • Answered on Aug 20, 2007


Aoc boot menu not open

AOC Computers &... • Answered on Apr 28, 2021

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