Display problems becoming unmanageable. Thinking about replacing motherboard

25 pts.
Microsoft Windows XP
Windows XP Professional
Not sure how to classify this problem other than just being a general hardware problem.  I have an All-In-One Desktop PC manufactured by a small company in Massachusetts that I believe is now out of business.  They called it their SpaceSaver computer.  It essentially is like a laptop with a screen attached to the front.  
The problem I am having is with the display.  I purchased this PC new in December 2007.  About a year ago, the computer started making a high pitched whine, I couldn't even hear it, but it was bugging my wife.  So I opened the PC thinking maybe it needed to be dusted off, thought maybe the fan was getting dusty or something.  I was able to determine that the whine was coming from somewhere on the motherboard.  We put  up with it.  Then the flickering started.  We noticed it while watching You Tube videos.  But only when they were made full screen.  The screen would flicker, or more aptly described as white lines across the video.  I updated the display adapter drivers and of course all of the windows updates are up to date.  
The problem only grew worse and now the flickering not only happens when a small video is being played, but web sites using FLASH (which many are nowadays) also are affected by the flickering.  I knew it was out of control when just the desktop started flickering with the desktop image.  So anyway, normally I would replace the display adapter, but with this being on board audio and video I dont believe that is possible without replacing the entire motherboard.  I dont mind doing that but honestly am not sure if that will solve my problem or not.
Here are some specs on the computer.  
Operating System   System Model Windows XP Professional Service Pack 3 (build 2600) Install Language: English (United States) System Locale: English (United States)   Enclosure Type: Desktop Processor [sup]a[/sup]   Main Circuit Board [sup]b[/sup] 3.40 gigahertz Intel Pentium 4 16 kilobyte primary memory cache 2048 kilobyte secondary memory cache 64-bit ready Hyper-threaded (2 total)   Board: MS-7290 1.0 Serial Number: 7710288351 Bus Clock: 200 megahertz BIOS: Phoenix Technologies, LTD W7290IMS V1.10 09/05/2006 Drives   Memory Modules [sup]c,d[/sup] 160.04 Gigabytes Usable Hard Drive Capacity 56.88 Gigabytes Hard Drive Free Space Optiarc CD-RW CRX880A [Optical drive] ST9160821A [Hard drive] (160.04 GB) -- drive 0, s/n 5MA4Z236, rev 3.ALD, SMART Status: Healthy   2040 Megabytes Usable Installed Memory Slot 'A0' has 1024 MB Slot 'A1' has 1024 MB [!--TD width=48%] [/TD--]   Local Drive Volumes [!--TD width=48%] [/TD--]   [table width="100%" cellpadding="0" cellspacing="0" border="0"> [tbody] [tr] [td width="50%">[/td] [td width="20%">[/td] [td width="30%">[/td] [/tr] [tr] [td]c: (NTFS on drive 0)[/td] [td]160.04 GB[/td] [td]56.88 GB free[/td] [/tr] [/tbody] [/table]

Software/Hardware used:
Win XP Pro

Answer Wiki

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Well the only way you are going to know is to do it. If it is out of warranty or the company no longer exists then you are out of luck as far as their support anyway, so you’re pretty much on your own with what you decide to do. Do try to verify if they are indeed out of business. If they are still in business they may be able to help you determine exactly where the failure lies. Otherwise if you can replace the monitor, start with that. It is just as likely to be the problem I think and will save you from replacing the MB if it works. Proceed from there as you see fit.

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  • Spadasoe
    Add in display/audio cards behave quite nicely with modern BIOS and vice versa. And with the cost of high quality cards getting lower all the time, you could not only solve your problem but also imrpove both video and general computer performance since you would free up shared memory as the new card would undoubtedly have it's own memory and more of it.
    5,130 pointsBadges:
  • JoeFixes
    Hi Guys, Thanks for your thoughts. But neither of these solutions are viable for me. The monitor is not replaceable, this is an ALL-IN-ONE PC. The monitor is attached to the entire computer. Likewise there are neither any audio or video cards nor slots to put a card if I wanted to. Still I appreciate the feedback and welcome others. JoeFixes
    25 pointsBadges:
  • carlosdl
    Well, I would not recommend replacing the motherboard. I would recommend replacing the machine. Even if you solve the problem replacing the motherboard, some other component could fail soon, and you will be in the same situation again.
    85,905 pointsBadges:
  • Chippy088
    Well, it was a well stated and documented question. I don't think we can solve the problem, sounds like a limited edition type of machine. I would suggest looking to see if there is a user forum for your PC on the internet somewhere. Most times, when a PC manufacturer goes out of business, someone starts a user group for support.
    4,625 pointsBadges:
  • JoeFixes
    Thank you Chippy for a thoughtful and intuitive reply. Although it is not a limited edition machine, there were many made and also many made by other manufacturers, looking for a forum on line would be a good idea.
    25 pointsBadges:

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