Amazon.com: Genuine New Laptop GDDR5 1GB 1 GB Graphics Video Card for HP EliteBook 8540W 8560W 8560P 8570W Mobile Workstation AMD ATI Mobility Radeon HD 6700M HD6770M MXM VGA Board Upgrade Replacement :
Can I upgrade a laptop graphics card? – CareerGamers
How to upgrade a laptop GPU? What is the complete process - Quora