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Need to open the case on an ACER 24" LCD Monitor

Acer 24 inch LCD monitor - Model B243W. I need to open this up to check the connections on the lamps/inverter board. This monitor lights up intermittently. I can't find any way to open this unit up!Any help?

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You are advised to take it in to an authorised technician for repair. Never open the case unless you are qualified and certified.

Posted on Nov 06, 2009


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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
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I have an acer b243w monitor. it powers on for about 2 seconds then goes black. thens it tries a second time and the same thing and making a slight hiss noise and the back of the monitor smells like static...

You may have high voltage arcing, bad inverter transformers, bad DC filter caps, bad lamp wires. You will have to open it up and inspect the inside first.
Failed ACER monitors:
Bad lamps:

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:
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:
Failed TV and Monitors pictures:

Learn about bad caps:

Capacitors kit: he can make you a set of caps for you.
Or just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Jun 08, 2011 | Acer B243W 24 inch LCD Monitor

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Monitor says no signal

You will need to check that the connection with the computer is firm and also the correct drivers are loaded on the computer.

You can get the driver from this site and install on the computer.
You will have to select the operating system of your computer.

Hope this helps.

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Acer Monitor Lcd 22in B243w Monitor goes black and shuts off

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The resolution is done at the PC video output setting, not at the monitor, you should set the PC video resolution to be at monitor native resolution: 1920 X 1200 @60Hz This will give the correct aspect ratio of your display.

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Right-mouse-click on your "wallpaper".
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gulabgoud, Most monitors come apart the same way, or almost!!! May I suggest that you visit YOUTUBE to search and view some video clips of VALID (good) "lcd monitor disassembly" and / or "lcd monitor repair" ??? Have you ever heard the expression "a picture (in your case video clip) is worth a thousand words" Good luck guy, your on your own!!! If this helps you out, please rate this response on fixya. But don't come back here CRYING or complaining IF YOU SCREW UP YOUR MONITOR !!! Bye for now.. 12fix louie

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Open your cpu cabinet.
Refix RAM memory .
Pull cmos cell from motherbord for 10 minutes.
Pull processor fan and processor then refix both clean dust from all parts.
Remove pci cards from pci slot then check.
Let me know if you need more assistance.

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