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Lenovo 100e Chromebook (Gen 1, 81ER)

Exact 81ER Gen 1 HMM FRUs only (US keyboard layout listed); system board, wireless card, brackets, screws and power cords omitted. Not bench-tested. June 2027 AUE requires extended-update opt-in; existing-fleet repair coverage.

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Compatible Replacement Parts (17)

Compatibility from OEM documentation, not bench-tested.

Keyboard

Lenovo 100e Chromebook (81ER) US keyboard/upper case

OEM Part Number: 5CB0R07036
Part Specs →

Lenovo 100e Chromebook (81ER) US keyboard/upper case. Lenovo HMM parts description: "Upper Case B 81ER W/KB US". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 only; US keyboard layout; complete upper case with keyboard. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p49 / printed p43, Table 14 item 2, Upper Case B 81ER W/KB US.) Last checked 2026-10-23
I/O Board

Lenovo 100e Chromebook (81ER) USB board with cable

OEM Part Number: 5C50R07030
Part Specs →

Lenovo 100e Chromebook (81ER) USB board with cable. Lenovo HMM parts description: "USB BOARD W/CABLE B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 USB board with cable. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p49 / printed p43, Table 14 item 5, USB BOARD W/CABLE B 81ER.) Last checked 2026-10-23
Battery

Lenovo L17M3PB0 42Wh battery

OEM Part Number: 5B10Q13163
Part Specs →

Lenovo L17M3PB0 42Wh battery. Official OEM replacement documentation; see fit constraints. Also listed in the Lenovo 100e Chromebook (81ER) HMM.

Fit & Installation Notes:

81ER Gen 1; L17M3PB0, 11.25V, 42Wh, 3 cells. Match original battery/connector. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 14 item 7, SP/A L17M3PB0 11.25V42Wh3cellbty.) Last checked 2026-10-23
Battery

Lenovo L17L3PB0 42Wh battery

OEM Part Number: 5B10Q13162
Part Specs →

Lenovo L17L3PB0 42Wh battery. Official OEM replacement documentation; see fit constraints. Also listed in the Lenovo 100e Chromebook (81ER) HMM.

Fit & Installation Notes:

81ER Gen 1; L17L3PB0, 11.4V, 42Wh, 3 cells. Match original battery/connector. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 14 item 7, LG L17L3PB0 11.4V42Wh3cellbty.) Last checked 2026-10-23
Speakers

Lenovo left/right speakers

OEM Part Number: 5SB0Q79732
Part Specs →

Lenovo left/right speakers. Official OEM replacement documentation; see fit constraints. Also listed in the Lenovo 100e Chromebook (81ER) HMM.

Fit & Installation Notes:

Listed in the 81ER HMM (description text reads "B 81ES"); left/right speaker pair. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 14 item 8, Speaker(L+R) B 81ES.) Last checked 2026-10-23
Bottom Cover

Lenovo 100e Chromebook (81ER) bottom cover (D cover)

OEM Part Number: 5CB0R07037
Part Specs →

Lenovo 100e Chromebook (81ER) bottom cover (D cover). Lenovo HMM parts description: "D COVER B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 bottom (D) cover. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 14 item 9, D COVER B 81ER.) Last checked 2026-10-23
Display Bezel

Lenovo 100e Chromebook (81ER) LCD bezel

OEM Part Number: 5B30R07041
Part Specs →

Lenovo 100e Chromebook (81ER) LCD bezel. Lenovo HMM parts description: "LCD BEZEL B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 LCD bezel. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 1, LCD BEZEL B 81ER.) Last checked 2026-10-23
Camera

Lenovo 100e Chromebook (81ER) 720p camera

OEM Part Number: 5C20R07049
Part Specs →

Lenovo 100e Chromebook (81ER) 720p camera. Lenovo HMM parts description: "CAMERA 720P B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 720p camera board. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 2, CAMERA 720P B 81ER.) Last checked 2026-10-23
Screen

Lenovo 100e Chromebook (81ER) LCD panel

OEM Part Number: 5D10R07040
Part Specs →

Lenovo 100e Chromebook (81ER) LCD panel. Lenovo HMM parts description: "LCD PANEL B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 LCD panel (11.6-inch HD non-touch per PSREF); panel only. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 3, LCD PANEL B 81ER.) Last checked 2026-10-23
Hinge

Lenovo 100e Chromebook (81ER) hinges (left and right)

OEM Part Number: 5H50R07048
Part Specs →

Lenovo 100e Chromebook (81ER) hinges (left and right). Lenovo HMM parts description: "HINGE(L+R)B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 hinge pair. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 4, HINGE(L+R)B 81ER.) Last checked 2026-10-23
Display Cable

Lenovo 100e Chromebook (81ER) eDP cable

OEM Part Number: 5C10R07027
Part Specs →

Lenovo 100e Chromebook (81ER) eDP cable. Lenovo HMM parts description: "EDP CABLE B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 eDP (display) cable. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 7, EDP CABLE B 81ER.) Last checked 2026-10-23
Display Back Cover

Lenovo 100e Chromebook (81ER) LCD cover

OEM Part Number: 5CB0R07045
Part Specs →

Lenovo 100e Chromebook (81ER) LCD cover. Lenovo HMM parts description: "LCD COVER B 81ER". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 LCD rear cover. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p50 / printed p44, Table 15 item 8, LCD COVER B 81ER.) Last checked 2026-10-23
Power Adapter

Lenovo Chicony 45W PD 3.0 3-pin adapter

OEM Part Number: SA10E75843
Part Specs →

Lenovo Chicony 45W PD 3.0 3-pin adapter. Official OEM replacement documentation; see fit constraints. Also listed in the Lenovo 100e Chromebook (81ER) HMM.

Fit & Installation Notes:

81ER Gen 1 official CRU list; 45W PD 3.0, 3-pin AC input. Appropriate regional mains cord separate. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p51 / printed p45, Appendix B Table 16, Chicony PD 3.0 45W 3pin.) Last checked 2026-10-23
Power Adapter

Lenovo Liteon 45W PD 3.0 3-pin USB-C adapter (SA10E75841)

OEM Part Number: SA10E75841
Part Specs →

Lenovo Liteon 45W PD 3.0 3-pin USB-C adapter (SA10E75841). Lenovo HMM parts description: "Liteon PD 3.0 45W 3pin". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 official CRU list; 45W PD 3.0, 3-pin AC input. Appropriate regional mains cord separate. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p51 / printed p45, Appendix B Table 16, Liteon PD 3.0 45W 3pin.) Last checked 2026-10-23
Power Adapter

Lenovo Chicony 45W PD 3.0 2-pin adapter

OEM Part Number: SA10E75844
Part Specs →

Lenovo Chicony 45W PD 3.0 2-pin adapter. Official OEM replacement documentation; see fit constraints. Also listed in the Lenovo 100e Chromebook (81ER) HMM.

Fit & Installation Notes:

81ER Gen 1 official CRU list; 45W PD 3.0, 2-pin AC input. Appropriate regional mains cord separate. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p51 / printed p45, Appendix B Table 16, Chicony PD 3.0 45W 2pin.) Last checked 2026-10-23
Power Adapter

Lenovo Liteon 45W PD 3.0 2-pin USB-C adapter (SA10E75842)

OEM Part Number: SA10E75842
Part Specs →

Lenovo Liteon 45W PD 3.0 2-pin USB-C adapter (SA10E75842). Lenovo HMM parts description: "Liteon PD 3.0 45W 2pin". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 official CRU list; 45W PD 3.0, 2-pin AC input. Appropriate regional mains cord separate. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p51 / printed p45, Appendix B Table 16, Liteon PD 3.0 45W 2pin.) Last checked 2026-10-23
Power Adapter

Lenovo Delta 45W PD 3.0 2-pin USB-C adapter (SA10E75840)

OEM Part Number: SA10E75840
Part Specs →

Lenovo Delta 45W PD 3.0 2-pin USB-C adapter (SA10E75840). Lenovo HMM parts description: "Delta PD 3.0 45W 2pin". Official OEM replacement documentation; see fit constraints.

Fit & Installation Notes:

81ER Gen 1 official CRU list; 45W PD 3.0, 2-pin AC input. Appropriate regional mains cord separate. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://download.lenovo.com/consumer/mobiles_pub/100e-chromebook_hmm_201803.pdf ↗ (Lenovo 100e Chromebook HMM (81ER), PDF p51 / printed p45, Appendix B Table 16, Delta PD 3.0 45W 2pin.) Last checked 2026-10-23
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