On the bottom there is a screen. There are 4 black clips down there, take a small screwdriver and push (give it a bit of force) and undo all 4 clips. The rest of the casing will come away once you do this.
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Re: how do you take this monitor apart?
It sounds like you have a monitor with a common problem, this series of
Westinghouse monitors are known to have this issue. After a few years
some LCD monitors
will blow a power supply. The problem is caused by parts called
capacitors overheating in the confined space of he monitor. When the
capacitors blow out they also damage the driver MOSFETs. If you are
good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictures
and your monitor should work fine. The capacitors do need to be
installed with the correct + and - connections, note the stripe on the
old one and insert the new one the same way. I am putting together a
step by step repair guide for this series of LCD monitors, it should be
up by 07/11, check my web site for the guide. Repair parts kits are also available for $16.95 If you don't want to try
the repair yourself we offer a repair service
for $35 plus shipping. If you are not going to repair it we will buy it from you for parts, we pay $30 for dead/as-is units.
I hope this helps, if so please rate my solution.
Corporate Computer www.ccl-la.com
Over 21 years of computer and printer support/repair
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The Proview 2200W is made by the same company that make the FPD1975w monitor for Gateway computers. The problem you are having is usually caused by bad capacitors on the power supply board just as you have stated. The problem is that model can have two different power supplies. One board is the PI-190DTLB and the other is the ILPI-021. These two boards use very different parts for the repair. You will need to open the unit and check the board before you order the parts. Here is a link to order a parts kit for both boards, and shipping to Israel is no problem, the kits ship free worldwide. There are instruction guides showing how to dis-assemble and repair many monitors on the youtube link. Parts kits Here: http://www.ccl-la.com/catalog/index.php?cPath=21_30
picture board on your monitor is bad, since it goes off after few
seconds and the power led or button is on, it means the
board of your monitor has developed fault and will need to be replace.
advice you replace the picture board on the screen of your monitor to
solve the problem of the blank screen.
i also had an issue on a monitor similar to yours i went further into it and took it apart and with much trial and error found that there was a shorted out component diode there is nothing you can do yourself unfortunately but if you choose not to buy another monitor you may be able to purchase the board to replace it . i hope this helps!
You may see very faintly that there is an image. The inverter or the filter capacitors are likely culprits. Open up the back of the monitor to get to the circuit board and if the capacitor is bulged out on top or leaking from the bottom, it is bad and needs to be replaced. They can be found all over ebay for under $5 with shipping per 5-10 caps. Hope this helps
About your only hope for getting a replacement switch is to buy a "Parts Only" monitor off of EBay and carefully remove the switch. This one is tricky it's attached to the front bezel as you've likely found out. When you disassemble the monitor, lay it face down and remove the bac plastic then remove the 4 screws holding the button board on then take the rest apart. That's the safest way.
OK, thanks to hihai in another posting, I was able (finally) to get into my monitor. Use a wide, thin knife and insert it between the grey plastic and the black plastic at the top or bottom of the monitor. (its easier at the top or bottom as you can distinctly see the deliniation between the grey and black - on the sides it's all black and the fit of this bezel around the monitor is so tight it's really hard to get in to the crack to pry the thing off). At any rate, once you get your thin knife (I too used a butter knife) into that crack, gently slide it to one end or the other. There are tabs near each end and a couple in the middle - you'll feel a bit of resistance near each tab as you slide the knife. Position the knife close to one of the end tabs. Rotate the knife handle outwards away from the monitor effectively prying the bezel upwards away from the face of the monitor. As you pop each tab, work towards the opposite end of the same side of the monitor. Once you have both ends dislodged, inserting the knife to pry up the all black sides will be easier. Unfortunately once you have the top (or bottom) and both sides loose the remaining top (or bottom depending on which one you started with) becomes a bit tighter to get the knife into.
Here's my word of caution. Be very gentle. While I was trying to find the way to get the bezel to come off I attempted to slide it in between the monitor face and the bezel itself and unfortunately cracked the glass face inside the monitor rendering it useless.
As for the power button, the button had worn down so much from use there simply was no travel left to push the contact on the switch board in the bezel. I tried a dab of hot glue on the inside of the power button to give it some more contact to the switch on the circuit board but didn't have enough. I was able to push the switch on the board with the circuit board removed from the bezel (with a tiny screwdriver not my fingers) and the monitor powered up fine. It was then I discovered the broken screen. Damn.