Problem with a Mitsubishi 52" DLP TV (WD-52725) connected to an HP Laptop

HI,
I am trying to resolve a problem with my Mitsubishi TV that is connected to my Laptop. The problem is that the display on the TV shows flickering horizontal lines.  It can be easily read but is hard on the eyes.  The display on my Laptop however is crystal clear.  THe laptop is an HP Pavillion ZD8060US (ZD8000 series).  The video card is an ATI Radeon X600. The OS is Wndows XP Media Center SP3. The TV as stated above is a Mitsubishi WD-52725 52".  I have already updated the drivers for the video card with no luck.  I have tried replacing the 15 pin VGA video cable with no luck, the only thing I can think of at this point is that I need a video driver for the Mitsubishi TV?  If so can you re-direct me to this driver or suggest some other solution.  This connection used to be crystal clear on the TV.  Nothing was changed, I'm not sure why this has happened.  Any help will be appreciated.
jmattson30Asked:
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jamietonerConnect With a Mentor Commented:
1 more thing did you try resetting the tv to defaults?
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jamietonerCommented:
Did you try turning up the refresh rate?
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jmattson30Author Commented:
Hi jamietoner,

Yes, I did that as well.  No improvement.
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jamietonerCommented:
I have a Mitsubishi WD-57831 connected to a PC via DVI and have never needed a driver(plus I don't think they make one). Do you have another computer you can test with so we can eliminate the tv or the laptop as the cause of the issue? Also are you using the 1280x720 resolution?
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jmattson30Author Commented:
Hi jamietoner,

I did try using a different computer as well with the same result.  If I change the resolution to 1280 x 720 the display is worse.  Thanks for your suggestions but still not there.  Do you have any other suggestions?  I had also gone to HP's website to do an online health scan.  The computer came back healthy.
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jamietonerCommented:
Ok, so it's a problem with the tv. Do other devices like cable or satellite display properly?
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jmattson30Author Commented:
Yes.  Only the display on the computer is bad.  I even replaced the bulb on the DLP TV and still no improvement.  I'm at a loss.
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jamietonerCommented:
Probably a problem with the vga port on the tv, is it still under warranty?
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jmattson30Author Commented:
No longer under warranty.
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jmattson30Author Commented:
Hi jamietoner,

I am awarding the points to you since you had some good suggestions and good follow through with quick responses.  It did not resolve my problem however.  I'll just have to check with Mitsubishi themselves to see if they have any suggestions.  Thanks for you help anway.
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