Lenovo ThinkPad E570 CMOS Battery Replacement

Introduction

This guide will show you how to replace the CMOS battery in your Lenovo ThinkPad E570 laptop. Your laptop may need a new CMOS battery if you are experiencing the following symptoms:

The laptop has difficulty booting up
There is a constant beeping noise from the motherboard
The date and time have reset each time you restart the device
Peripherals aren’t responsive or they don’t respond correctly
Hardware drivers have disappeared
You can’t connect to the internet

Power down your laptop and disconnect from any external power sources before beginning this guide.

What you need

Step 1 CMOS Battery

Lenovo ThinkPad E570 CMOS Battery Replacement, CMOS Battery: step 1, image 1 of 3

Lenovo ThinkPad E570 CMOS Battery Replacement, CMOS Battery: step 1, image 2 of 3

Lenovo ThinkPad E570 CMOS Battery Replacement, CMOS Battery: step 1, image 3 of 3

Turn the laptop over so that the bottom is facing upwards, with the battery facing away from you.
Loosen two captive 5 mm screws on the back panel of the laptop using a Phillips #0 screwdriver.
Slide the panel towards you, then gently lift up to remove.

Edit

Step 2

Insert the flat end of the halberd spudger underneath the battery to free the it from the adhesive.
Unplug the connecting CMOS wire from the motherboard.
When reassembling, apply gentle pressure to the new CMOS battery with the adhesive pad facing down.