Is your operating system Windows 10 or Windows 7?
Your processor model number will be one of these:
Intel® Core™ 2 Duo Processor T9500 (Configuration 1),
Intel® Core™ 2 Duo Processor T9300 (Configuration 2),
Intel® Core™ 2 Duo Processor T8300 (Configuration 3),
Intel® Core™ 2 Duo Processor T8100 (Configuration 4)
Intel® Core™ 2 Duo Processor T7250 (Configuration 5)
Your graphics is nVidia:
NVIDIA® GeForce® 8600M GT GPU with Total Available 512MB Dedicated Video RAM
And your chipset is"
Mobile Intel® PM965 Express Chipset
This information came from : https://docs.sony.com/release//specs/VGNAR770CTO_mksp.pdf
This means your laptop is from around 2007. The processor and chipset are not supported on Windows 10. And, because this is a laptop, it is extremely unlikely that you will be able to change your graphics card, nor can you add Intel graphics.
Getting a replacement board for your laptop is also not a good path to follow.
The best option for you is to get a new laptop, with Windows 10. But, before you do anything, please make certain that you have your data backed up some usb stick or cloud storage. And, if you need to retrieve product keys for any Microsoft Office or Adobe software that you may have purchased, please do so along with the install media.
I know this is not what you wanted to hear, but the laptop is too old to try to repair at a reasonable cost and your chance of success is limited. Plus, it is not supported on Windows 10.
You will then have full support for the hardware, software, and a warranty. And, if you are a gamer, better performance. Just be certain to get a laptop that supports switchable graphics, and not just Intel graphics. This will probably cost more, but you will be glad you did. If you cannot, and are a gamer, please check the version of Intel graphics on your new laptop and check to see if it is supported by your game(s).
Also, if your graphics are going bad, then your motherboard and/or processor may be well on the way to failure as well. Thus, the reason you should make a backup of your data now.
Sorry, I cannot help more.
First of all, thank you for yr reply.
Second, you impressed me, as other Intel guys and gals here, as always, i only told you a little info about my laptop, but you could pretty much know my situation already...Bravo !
To answer yr question:
Yes, I am running on Windows 7 Professional 64 bits, not Windows 10.
Yes, the chipset is Intel PM965 Core 2 Duo T9500/ 2.6Ghz
I always appreciate when people gives me a straight talk...yeah,...although it is sad to hear...and i just recently replaced the old 2 hard drives with SSD drives-$200+. This old lady was worth over $3000+ back in 2007, a customized model. Runs great until the blue color columns vertical lines appear.
So,...no way could I replace the graphics card itself?? I remember sometime last year i opened the laptop, removed the heat-sink and applied thermal paste, I remember seeing the graphics card....can I unscrew to unplug the piece and pop a new one in ??
p.s. it's not the $$ issue, one 1 hand, i have another sony Z series small laptop, it's just these days, i can't find some truly "real" laptop, not a big fan of apple stuff, not a fan of tablets, not a big fan of windows 10- too much problems with privacy issues and drivers problem(s) Thank you
Sorry for the delay, i took longer time than I expected....I believe you are correct, the Nvidia graphics card does not have screws on 4 corners, the one on the left is intel one, that has a flat screw,....i removed the thermal paste and used alcohol to clean them up, the alcohol wetness was still there when the photo was taken.
Is there any "unofficial" street type suggestion(s) you can share with me, how do i go by in trying to "rescue" this graphics card or "extend" her life a little longer??
Truly truly appreciated,