Question about MPC Computers ClientPro 414 All-In-One PC Desktop

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Mpc all in one computer 414 power light shows but the screen is black

I bought used online, 512 mb,40gb, but nothing is showing on the screen, I think the video card might be missing is that the reason?

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  • Anonymous Nov 17, 2008

    I have the same problem on a similar machine. If I plug an external monitor into it, it works fine.

  • brdstf40 Jan 02, 2009

    I'm having the same problem. On start up, however, I can see a brief MPC logo.

  • Anonymous Feb 05, 2009

    I have had the same problem with three units and contacted MPC who replaced them. Now that they have filed for bankruptcy and have no support left I have two more All-In-Ones w/ same prob. That's right a total of five out of 10 in just the past year. Granted they were all 4+ years old when the issue occurred

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I have a couple hundred MPC 414 and 424, 95% have been great machines lasting almost 4 years in a constant "on" work environment. However 5% have experienced the "black out" issue this is caused by the power inverter located inside of the monitor housing next to the LCD display. The 414 and 424 have different model inverters and are not interchangable. A company name Chingawa makes them, but like everything else only made a minimum amount and replacements are very hard to come by. Good luck with your search. Plug a external monitor in and see what happens.

Posted on May 19, 2010

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It sounds like you are having 1. A hardware conflict 2. System Setup could have the Montior turned off 3. Bad Video Card With an external monitor plugged up and it working it doesn't sound like a video card it sounds like the actual monitor has died

Posted on Mar 18, 2009

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In short, no -- the video card is probably not missing. The video card in this device is fairly easy to remove (or check if it is installed/reseat). The following assumes you have the "boomerang" stand:

#1: Lay the system "face down" so that the LCD panel is resting on a flat surface (preferably soft/clean surface)

#2: Remove the two chrome-plated hinge caps on the stand (you have about a 50% chance of breaking them, so don't feel bad if you do)

#3: remove the plastic hinge cover - you should be able to remove it by applying gentle pressure with your fingers. Just wiggle it up and down and it will pop off.

#4: remove the boomerang stand. This will require removing 4 or 6 screws.

#5: Remove the metal door that covers the VGA card - this is held in with 4 screws

#6: The VGA card should be installed in the "cavity" you just exposed. The card is completely covered by a heatsink, and won't be visible, but it will fill the "cavity" completely. If you just see 3 big connectors, you're missing a video card. The card itself is probably held in with 3 screws. You can remove it if you want (using the handle) to reseat it, but it shouldn't be necessary.

Does your computer make any POST beep? It should make some sort of beep when powered on. If not, you might have bad RAM, a bad CPU, bad motherboard, or corrupt BIOS. I don't know if the CP414 has a built-in BIOS recovery mechanism (I don't think it does, but I know the 424 and 434 do). The easy way to determine if it does requires a floppy drive. If you have a floppy drive, and the system tries to access it every few seconds after powering on, then you have a good chance of recovering it (search google for "AMI bios recovery floppy"). Otherwise, you need a miniPCI POST diagnostic card to do much testing. You can buy one on ebay for under $10. Just make sure it fits into a MiniPCI connector. There is a door on the back of your system that covers two miniPCI slots. Either one will work with a debug card.

A few people have mentioned that it could be an actual LCD problem. I agree that it could, but only if your system boots with no display. Your description of the original problem doesn't provide enough detail to draw a real conclusion. Does it boot into Windows? What happens if you connect an external monitor? Do you have the 17" display or the 19" display (or the 17" touchscreen for that matter)?

Posted on Jul 01, 2009

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http://www.ecs.com.tw/ - ECS Website

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