RAM upgrade for an ASUS R540SA laptop, Type-C, 1 slot in use, 4.0 MB total. Also, Battery is dead.

[RodC]

System: Windows 10, 64-bit
Battery or AC: Battery is dead. Laptop was not used or booted up for 3 years.
Model: R540SA, Type-C
Frequency of occurrence: N/A
Reset OS: N/A
Screenshot or video: N/A
========================
Detailed description：

[Blake_ASUS]

Hello RodC,
Please kindly send your device to service center.
Thank you.