In This Video, I Show My Whole Process of "Fixing" a Dead Graphics Card With Screen Glitching & Freezing
Can Work On Laptops As Well
Links & More Info Below:

Louis Rossmann's Video Explaining How/Why This Works
" Reballing flip chip GPUs is BULLSHIT "
   • Reballing flip chip GPUs is BULLSHIT ...  

Usually works:
On GPU's with graphical glitches / freezing / that stills how some life
Black display 50/50 chance

Sometimes it does not work:
If you got a bad vram chip ( matrix effect screen glitch )
Or your pc was really dusty and something shorted out because of a cheap PSU
And you have full black screen

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Some of the tools I used (Optional)

Rework Station
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Amazon CA: https://amzn.to/2E2OYXc
Gearbest: http://bit.ly/2DPKEtp

Thermometer Gun
Amazon US: https://amzn.to/2SlaIAR
Amazon CA: https://amzn.to/2KDMj6Z
Gearbest: http://bit.ly/2BDU4GX

Metro DataVac Super Air Blower
Amazon US: https://amzn.to/2Shmlse
Amazon CA: https://amzn.to/2SgsDZm
Ebay: https://ebay.to/2zvA6gd

(Channel Supporting Affiliate Links)
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Yes This Can Also Work On Laptop GPU's
I have tested it, after a heavy load of a game
It could break it again (PUBG is a good test to find out if your gpu is 100% or not) - At least the early version of the game