Oem LED Backlight Inverter Board for iMac 21.5 A1311 Mid 2011–Late 2011 (661-5976)

Product Description

The LED Backlight Inverter Board for iMac 21.5-inch A1311 is a replacement display-related circuit board intended for compatible Apple iMac models. It supports the display backlight circuitry, helping provide illumination for the screen.

This replacement board may be suitable for repairing certain backlight-related display problems when the original board is faulty. Before ordering, compare the part number, connector layout, and physical design with your existing board to confirm compatibility.

Compatible Models

• Apple iMac 21.5-inch A1311 Mid 2011
• Apple iMac 21.5-inch A1311 Late 2011

Compatible Part Numbers

• 661-5976
• LED Backlight Inverter Board
• Model Family: iMac A1311

Product Details

• Product Type: LED Backlight Inverter Board
• Compatible Brand: Apple
• Compatible Screen Size: 21.5-inch
• Compatible Model: iMac A1311
• Model Period: Mid 2011–Late 2011
• Part Number: 661-5976
• Application: Display Backlight Circuit
• Condition: Replacement Part
• Installation: Professional installation recommended

Warranty Details

1 Month Replacement Warranty

Important Note

• Verify your iMac model number and original board part number before purchasing.
• Compare the board’s connectors, mounting points, and layout with your existing component.
• A dark screen can result from other faults, including the display panel, cable, or power circuitry. Diagnosis is recommended before replacement.
• Professional installation is recommended to avoid damage to delicate internal components.

Frequently Asked Questions

1. Which iMac models is this backlight board designed for?

It is listed for the 21.5-inch iMac A1311 Mid 2011 and Late 2011 models. Confirm the original board part number before ordering.

2. What is the part number of this board?

The listed part number is 661-5976.

3. What does the LED backlight board do?

It supports the display’s backlight circuitry, which helps illuminate the LCD screen.

4. Can this board fix a dark iMac screen?

It may help if the backlight board is the cause. A faulty LCD panel, display cable, or another circuit can cause similar symptoms.

5. How can I confirm compatibility?

Check your iMac model number and compare the original board’s part number, connectors, and physical layout with the replacement.