HP ProBook 450 G1 Speaker replacement / Disassembly 

Speaker model - 721950-001
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Tools i use the most:
1. Blade - www.amazon.com...
2. Blade - www.amazon.com...
3. Screwdriver Generic BEST BT-8912 45 in 1 Screwdriver Tool Sets - www.amazon.in/...
4. Thermal paste - Arctic MX-2 / Arctic MX-4