Amazon.com: New Laptop Keyboard Replacement for Acer Aspire 5742 5742G 5742Z 5742ZG, US Layout Black Color : Electronics
Acer Aspire 5742Z Intel Pentium CPU P6100 @ 2.00GHz, 4 GB RAM, 320 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
PEW71 LA-6582P Mainboard For Acer Aspire 5742Z 5742 5733 Laptop Motherboard SLGZS HM55 DDR3 100% Full Tested Working Well - AliExpress
Acer Aspire 5742Z-4183 Keyboard | Replacement Part