controller board asus q550jv

Restore Power, Input & Charging with a Genuine Asus Controller Board

Fix Unresponsive Touchpad, Keyboard, and Power-On Failures

The Asus controller board (also called logic controller or embedded controller) plays a crucial role in your laptop's function. It manages everything from power distribution and battery charging to touchpad, keyboard, fan, and LED controls. When this board fails, symptoms can range from total power loss to erratic input and non-functioning ports.
Whether your power button won’t respond, the keyboard backlight is dead, or your USB ports suddenly stop working, replacing the controller board often restores your laptop without the high cost of a motherboard swap.

Why Replace the Asus Controller Board?

1. Resolves power-on issues and BIOS boot failures
2. Restores touchpad and keyboard functionality
3. Fixes backlight and LED signal problems
4.

Maintains USB charging and data connections
5. Improves fan regulation and thermal response
6. Prevents future embedded controller errors
7. Saves cost over full logic board repair
8. Enables modular repair with fast install
Typical signs of failure include unresponsive touchpad or keyboard, blinking LEDs without startup, or inconsistent charging. If the board shows signs of cracking, burning, or cable damage, it’s time to replace it.

FAQ About This Replacement Board

Do I need to reflash the BIOS after install?
Not usually. However, updating BIOS post-install is a good practice to ensure compatibility.
How do I know this is the issue and not the motherboard?
If your motherboard powers on but inputs or charging fail, it’s often the controller board.
Can I replace the controller board myself?
Yes, with basic tools and precautions. Ground yourself and test inputs before full reassembly.
Will this fix a non-responsive power button?
Yes, if the issue is board-related. It manages power button and status LEDs.
Is this a genuine Asus board?
Yes. We offer 100% genuine Asus controller boards, covered by a 12-month warranty.

How do I test if the board works?
Connect the flex cables and power source, then check keyboard, touchpad, and LED response before sealing the chassis.
Will replacing the board void my warranty?
Not if done correctly with official parts. Check your laptop’s service terms to confirm.
What tools do I need for the install?
Just a grounding strap, screwdriver, and anti-static surface are usually enough.

For installation help or board matching, visit our My Equipment portal, check out our video guides, or contact Asus Accessories support.
Over 15,000 Genuine Asus Parts Available