Toshiba Satellite U400 U405 Laptop USB LAN Audio Jack Board with Cable 33BU2LB0040

Product Description

The Toshiba Satellite U400 U405 Laptop USB LAN Audio Jack Board with Cable is a replacement internal component designed for compatible Toshiba Satellite U400 and U405 series laptops. This interface board combines connectivity functions for USB ports, LAN/Ethernet, and audio jacks, helping connect external peripherals, wired network cables, headphones, and other compatible devices.

If your laptop experiences damaged USB ports, wired network connectivity issues, or faulty audio jack connections caused by a defective interface board, replacing the component may help restore the affected functions.

Identified by part number 33BU2LB0040, this replacement board is suitable for laptop repair technicians, service centers, and users repairing compatible Toshiba Satellite laptops.

Before purchasing, compare the original board number, connector positions, cable arrangement, and physical layout to ensure compatibility with your laptop.

Compatible Models

• Toshiba Satellite U400 Series

• Toshiba Satellite U405 Series

Compatibility may vary by exact model and hardware revision. Confirm the original part number before ordering.

Compatible Part Numbers

– 33BU2LB0040

Product Details

Warranty Details

Warranty coverage depends on the product condition and purchase terms. Please confirm the applicable warranty period with LaptopHub before placing your order.

Important Note

• Verify part number 33BU2LB0040 against your original board.

• Compare the board layout, USB and audio connectors, LAN port, and cable connections before ordering.

• Not every Toshiba Satellite U400 or U405 configuration necessarily uses the same board.

• Disconnect the charger and internal battery before installation.

• If connectivity problems continue after replacement, the fault may involve the motherboard, network hardware, audio drivers, or another component.

Frequently Asked Questions

1. Which laptops are compatible with this Toshiba interface board?

It is listed for compatible Toshiba Satellite U400 and U405 series laptops. Check your exact model and original part number before purchasing.

2. What is the part number of this board?

The listed part number is 33BU2LB0040.

3. What functions does this board support?

The product is described as an interface board for USB, LAN/Ethernet, and audio jack connectivity.

4. Can this board fix USB, LAN, or audio jack problems?

It may resolve connectivity issues caused by a faulty board or its connections. Other hardware or software faults may require additional diagnosis.

5. How can I confirm compatibility before ordering?

Compare the original board’s part number, connector arrangement, cable design, and physical layout with the replacement part.