Lenovo ThinkPad E15 User Manual

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.
Memory module
Prerequisite
Before you start, read Appendix A “Important safety information” on page 57 and print the following
instructions.
Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get
damaged.
Replacement procedure
To replace a memory module:
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 35.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See “Base cover assembly” on page 36.
5. Open the latches on both sides of the memory module slot at the same time
1 , and then remove the
memory module
2 .
Note: A Mylar film might cover the memory module. To access the memory module, peel off the film
first.
Chapter 6. CRU replacement 39

Lenovo ThinkPad E15 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black
Housing material	Acrylonitrile butadiene styrene (ABS), Aluminium
Display diagonal	15.6 \
Anti-glare screen	Yes
Display brightness	250 cd/m²
Operating system language	English
Operating system architecture	64-bit
Keyboard layout	QWERTY
Processor cache	8 MB
Processor cores	4
Processor model	i7-10510U
Processor family	Intel® Core™ i7
Configurable TDP-up	25 W
Processor frequency	1.8 GHz
Configurable TDP-down	10 W
Processor manufacturer	Intel
Processor boost frequency	4.9 GHz
Configurable TDP-up frequency	2.3 GHz
Configurable TDP-down frequency	0.8 GHz
Motherboard chipset	Intel SoC
Memory slots	1x SO-DIMM
Internal memory	16 GB
Internal memory type	DDR4-SDRAM
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
Storage media	SSD
SSD form factor	M.2
Total storage capacity	512 GB
Number of SSDs installed	1
Battery capacity	45 Wh
Battery life (max)	12.2 h
AC adapter power	65 W
Discrete graphics card model	Not available
On-board graphics card model	Intel® UHD Graphics
Cable lock slot type	Kensington
Trusted Platform Module (TPM) version	2.0
Audio chip	Synaptic CX11880
Audio system	Dolby Advanced Audio
Speaker power	2 W
Number of built-in speakers	2
Privacy type	Privacy shutter
Front camera resolution	1270 x 720 pixels
WWAN	Not installed
Bluetooth version	5.2
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
WLAN controller model	Intel Wi-Fi 6 AX201
Ethernet LAN data rates	100, 1000 Mbit/s
Sustainability certificates	ENERGY STAR, EPEAT Gold, RoHS, TCO
HDMI version	1.4b
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.

Weight and Dimensions

Depth	245 mm
Width	368 mm
Height	18.9 mm
Weight	1900 g