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Repair GuideLenovo

Lenovo Legion Pro 5 16ARX8 complete teardown. Replace or upgrade RAM, SSD, LCD. DIY test & repair.

The Lenovo Legion Pro 5 16ARX8 is a high-performance gaming laptop featuring a Ryzen 5 7645HX processor, RTX 4050 GPU, and a 165Hz display. This model is highly upgradeable, allowing you to expand RAM, replace the SSD, and even service the LCD display for improved performance and storage capacity.

By SellBroke TeamJuly 14, 2026Video guide
Device specs
RAMUp to 32GBDDR5 · 2 slots
StorageM.2 NVMePCIe 4.0 · 2 slots
Battery80 WhReplaceable
Display16-inch1440p · IPS · 165Hz

What You Can Upgrade

01
RAM
The Legion Pro 5 16ARX8 features 2 DDR5 SODIMM slots supporting up to 32GB total capacity. Both slots are easily accessible after removing the bottom panel, making RAM upgrades straightforward for users.
Easy
02
SSD
This model includes 2 M.2 NVMe PCIe 4.0 slots for storage expansion. You can replace or add drives to increase storage capacity, with support for standard 2280 form factor M.2 drives.
Easy
03
LCD Display
The 16-inch 165Hz 1440p IPS display is replaceable after removing the bezel and hinges. This repair allows you to replace a damaged screen or upgrade the panel if compatible alternatives exist.
Moderate
04
Thermal Paste
Repasting the Ryzen 5 7645HX CPU and RTX 4050 GPU improves cooling performance and reduces thermal throttling. This requires removing the heatsink assembly and carefully applying new thermal paste to both chips.
Advanced

Tools You Need

Phillips #0 screwdriverPhillips #1 screwdriverPlastic pry toolAnti-static wrist strapThermal pasteSmall brush or cloth
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Common Questions

Can I upgrade the RAM on the Lenovo Legion Pro 5 16ARX8?+
Yes, the Legion Pro 5 16ARX8 has 2 DDR5 SODIMM slots and supports up to 32GB of total RAM capacity. Both modules are easily accessible after removing the bottom panel.
What SSD does the Lenovo Legion Pro 5 16ARX8 use?+
The Legion Pro 5 16ARX8 has 2 M.2 NVMe slots with PCIe 4.0 support. You can use any standard M.2 2280 NVMe drive to replace or expand storage.
Is the battery replaceable on the Lenovo Legion Pro 5 16ARX8?+
Yes, the 80 Wh battery in the Legion Pro 5 16ARX8 is replaceable. You can access it after removing the bottom panel and disconnecting the battery connector.
What tools do I need to open the Lenovo Legion Pro 5 16ARX8?+
You will need a Phillips #0 screwdriver for small screws, a Phillips #1 screwdriver for larger fasteners, and a plastic pry tool to carefully separate the bottom panel and bezel components.
How difficult is it to disassemble the Lenovo Legion Pro 5 16ARX8?+
The Legion Pro 5 16ARX8 is moderately easy to disassemble. RAM and SSD upgrades are straightforward for beginners, while display replacement and thermal paste application require more skill and care.

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