HP ProBook 6540b Intel i5-M430 2.27Ghz 4GB RAM 160GB HDD Win 10 Home DVD-RW : Electronics - Amazon.com
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Amazon.com: New Laptop Keyboard Replacement for HP Probook 6550B 6555B 6545B 6540B P/N:574746-001 584234-071 583293-001 PK1307E1C00 V103202BS1 V103226BS1 MP-09A83US-698 US Layout Black Color : Electronics