1010 Keyboard . . . . . . . . . . . . . . . 63
1020 Base cover assembly . . . . . . . . . . 65
1030 Hard disk drive, cable, and bracket . . . . . 67
1040 Fingerprint reader card, cable, and bracket . . 68
1050 Memory module . . . . . . . . . . . . 69
1060 M.2 solid-state drive and brackets . . . . . 70
1070 I/O card. . . . . . . . . . . . . . . . 72
1080 Speaker assembly . . . . . . . . . . . 73
1090 Wireless LAN card . . . . . . . . . . . 74
1110 Built-in battery . . . . . . . . . . . . . 75
1120 Coin-cell battery . . . . . . . . . . . . 76
1130 Thermal fan assembly . . . . . . . . . . 77
1140 Trackpad cable and trackpad . . . . . . . 78
1150 System board and USB bracket . . . . . . 79
1160 LCD unit . . . . . . . . . . . . . . . 82
1170 Keyboard bezel assembly . . . . . . . . 83
2010 LCD bezel assembly . . . . . . . . . . . 83
2020 LCD panel. . . . . . . . . . . . . . . 84
2030 Hinge kit . . . . . . . . . . . . . . . 85
2040 Integrated camera and microphone combo
card . . . . . . . . . . . . . . . . . . . 88
2050 LED and camera cable assembly . . . . . . 88
2060 Wireless LAN antennas assembly and LCD
rear cover assembly . . . . . . . . . . . . . 89
Appendix A. Notices . . . . . . . . . . 93
Appendix B. Abbreviation and
acronym table . . . . . . . . . . . . . 95
ii E490 and R490 Hardware Maintenance Manual
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