How to Replace the CMOS Battery in an Acer Laptop

CMOS batteries, on all computers, only have a certain amount of life and must be replaced after a time. Luckily, the CMOS battery on Acer laptop computers is quite easy to access and replace. The hardest part of the process is disassembling the computer.

Difficulty: Moderate

Instructions

Things You'll Need:

• Replacement CMOS battery
• Phillips screwdriver
• Flathead screwdriver

Instructions

1. Open the laptop computer's screen and lay it back as far as it will go. Be careful not to stress the screen and cause any damage, but press it hard if needed.

2. Press a flathead screwdriver under the front of the plastic bar lining the back of the laptop's keyboard. Pry the bar up slightly and hold it with one hand.

3. Pry up the other side of the bar with the flathead screwdriver and fully pull out the bar. Keep its ribbon cord connected and set the bar on the laptop's screen.

4. Remove the two Phillips screws securing the computer's keyboard. Then, slide the keyboard up and out to remove it. Again, do not remove its ribbon cord, and set the keyboard over the laptop's touch pad.

5. Remove the four screws securing the cover plate over the motherboard and remove it as well.

6. Locate the CMOS battery at the bottom right corner of the motherboard.

7. Remove the battery by prying it up gently with the flathead screwdriver. Then, replace the battery with a new one of the exact same specifications.

8. Replace all the parts in the laptop in the reverse order that you removed them.

Tips & Warnings

• While you have the laptop computer open, blow out some of the dust inside. This will help prevent cooling problems in the future.
• Always be careful of static electricity when working on computers. Just the slightest shock can ruin components.