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Lenovo 21ED User Manual

Lenovo 21ED
52 pages
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E15 Gen 4
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.
Discrete memory module (for selected models)
Prerequisite
Before you start, read
Generic Safety and Compliance Notices and print the following instructions.
Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get
damaged.
For access, do the following:
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 25.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn over the computer.
4. Remove the base cover assembly. See “Base cover assembly” on page 26.
Removal procedure
Chapter 6. CRU replacement 27

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Lenovo 21ED Specifications

General IconGeneral
BrandLenovo
Model21ED
CategoryLaptop
LanguageEnglish

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