Question about AOC 203P (Black) 20.1" LCD Monitor

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I have a 20" AOC monitor using as an external

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6ya6ya
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Posted on Jan 02, 2017

  • 43 Answers

SOURCE: AOC 19MVWK - no image or rainbow vertical lines

It seams like connection is bad. If it is black but light show that is on or in stand by than it is the cable from monitor to computer if monitor is totally off when it is black either the electrical connection is bad or the power plug is broken.

Posted on Jan 31, 2008

  • 8 Answers

SOURCE: AOC LM729 17" LCD Monitor

Where are the ring inductance coils on the power supply board?

Posted on Feb 04, 2008

  • 4 Answers

SOURCE: AOC LM729 LCD - Go to; bright white lines, blank, computer view and lines, blank. Yeah, please help!

This is an old post but maybe this will help someone else......

I have sold a lot of these LM729's a few years back and now, out of warranty, they are starting to show these same symptoms. I was stumped at first but finally did some real testing on them and found that in every case it it the 1000uF capacitors that are faulty. Look at the board and you will see 2 capicitors, the barrel shaped components, that have 1000uF printed down the sides of them. Both of these should be replaced even if only one is bad because chances are the other will go soon as well. You can usually pick these up for under 2 bucks each at your local Radio Shack. Get ones rated for 35 volts (35V), the ones on the board are 16vols but I usually try to go a bit more robust when I replace capacitors. The rating is just how high the voltage can go so it's okay. They are usually more durable since they are to handle higher voltages. Just take the LM729 apart, remove the power board, desolder the capacitors, clean up the holes, (Be gentle in desoldering them, you don''t want to pull the things, you will pull off and possibly tear the copper foil pad that you need to solder the new cap to) Install the new capicitors minding the polarity, as in there is a MINUS sign on the capicitor and this must go in the hold with the matching MINUS sign. Solder the leads, clip the excess off. Reassemble and you'll probably find that LM729 working just fine! These are very good monitors and very rugged. AOC isn;t at fault for this failure. The Chinese have been making scads of bad capicitors for a few years now. Anymore, if there is an electronic failure it can be traced back to bad capicitors.

Posted on May 02, 2009

  • 26 Answers

SOURCE: AOC LCD monitor black out..Please help?

Sounds like bad video card drivers..Try updating the drivers from the manufacturer's website. Give us the details of your video card/ PC.

Or it could be monitor related. Open the monitor and check the power supply. Make sure there are no bad capacitors inside. If you find any replace them with new ones with same number or bigger capacity,


Posted on Apr 02, 2010

budmrtn
  • 11361 Answers

SOURCE: My AOC monitor went black and has this error

The video resolution of your PC is too high for the monitor to display.
http://www.fixya.com/support/r4873371-fixing_out_range_format_not_supported

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
Capacitors kit: http://lcdalternatives.auctivacommerce.com/

Posted on Aug 01, 2010

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How do I hook a an external monitor up to a hp dv6 1355 with a cracked screen?


http://h10025.www1.hp.com/ewfrf/wc/product?product=4043282&lc=en&cc=us&dlc=en&lang=en&cc=us

Product information > Product specifications > Product specifications;

External Ports:
1 VGA (15-pin)

Manuals > Notebook Tour - Windows 7;

Left-side Components - External Monitor Port
Left/Rear side of laptop,

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

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.

(You can also use an HDTV if it has an HDMI port, and you have an HDMI cable. The HDMI port is on the Left side of the laptop, too.

{Don't buy an HDMI cable that is expensive. Just a waste of money.
Those gold plated parts are just a little bit better, than an HDMI cable that doesn't have it. $20 for an HDMI cable is PLENTY. (12 Feet) I use one's that cost less )

A) Laptop OFF, monitor (External display device) OFF.
Connect the VGA monitor to the VGA port, on the laptop.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.

There ARE at least 3 display options available;

1) Internal monitor ONLY
2) Internal monitor AND external display device (VGA monitor in this example)
3) External display device ONLY

Press, and hold the Fn key down, tap once on the F4 key.
(The F4 key is the Display Toggle-Over key)

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

For additional questions please post in a Comment.
Regards,
joecoolvette

Dec 15, 2012 | Computers & Internet

1 Answer

(external monitor AOC LM765 flickers white lines) My laptop screen is damaged. I plugged an external monitor (AOC LM765 via RGB), works fine for the past three days but suddenly ghostly lines appear. Any...


Hook up that monitor to another laptop or computer. If it works then its an issue with the vga port on your laptop. If the monitor still shows those lines then you know for sure the monitor is bad and it will have to be replaced.

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1 Answer

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This monitor includes very low-volume speakers (2x1W), so you might need to connect external speakers if you require higher volume.

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I'm trying to hook up my Westinghouse L2410NM 24 inch monitor to my MacBook Pro. I'm using the DVI adaptor for my mac to connect to the monitor via an DVI-HDMI cable. My mac seems to detect the L2410NM,...


You need to change the refresh rate, some monitors operate on 60 Hertz, and others on 70 or 72 Hertz, try changing the refresh next to the resolution choices.

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AOC monitor hooked up to a laptop


Be sure to have the monitor connected before you power up the laptop. Also, check the laptop manual to see if there is some sort of key combination that enables the external monitor. You might also be able to find such a key combination by looking at the actual keys to see if you have one that also has an icon of a monitor or the letters CRT on the individual key. Typically, you would press this key while holding down the Fn or similar key to invoke the external monitor.

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