Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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If not the inverter, then what?

My LCD in my MacBook is dark, I replaced the inverter but it didn't fix the problem. What's the next step?

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cody1307, what are the last three digits of your computers serial number? Those numbers will help us to properly identify your computer.


The MacBook sn: 0p1 is the last three digits. I believe it's a Santa Rosa/penryn duo 2 core. The display cable is fine. As machead3 asked.


Intro Date: February 26, 2008 Disc Date: October 14, 2008

Order No: MB403LL/A Model No: A1181 (EMC 2242)

Subfamily: Early 2008 Model ID: MacBook4,1

Std RAM: 2 GB Std VRAM: 144 MB

Std Storage: 160 GB (5400 RPM) Std Optical: 8X DL "SuperDrive"


have same problem



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2 Answers

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Sadly it would most likely be to replace the display. It might just be a cable (have you looked over yours for cuts, nicks, bad connector) or just the backlight its self but replacing a backlight is a very advanced DIY project.

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cody1307,I'd start by following the Apple trouble shooting guide.


No display, or dim display, but computer appears to operate correctly (if dim,

display shows startup icon and/or desktop)

1. Remove any connected peripherals.

2. Try known-good power outlet, power adapter and power cord.

3. Make sure the F1 key is not stuck down.

4. Press F2 (with the fn key pressed and not pressed) to increase the screen brightness setting.

5. Open Display system preference panel and check brightness. If works, replace keyboard.

6. Reset PRAM. Restart the computer, then hold down the Option-Command-P-R keys until you hear the startup sound at least one additional time after the initial startup sound.

7. Reset the SMC. See Knowledge Base article 303319, “Resetting MacBook and MacBook Pro System Management Controller (SMC)”. Resetting the SMC means you will also need to reset the date and time (using the Date & Time pane of System Preferences).

Warning: Make sure you do not hold down the “fn” key when resetting the SMC.

8. Connect an external display, and check for video on external display.

9. If video is fine on external display, troubleshoot LCD panel and verify cable connections to inverter and LCD.

10. If video symptom is same on external display, replace logic board.

11. Verify LCD panel cable and LVDS cable connections are seated properly and that the cables are not damaged.

12. Replace LCD panel.

13. Replace logic board.

If, after you replaced the inverter and checked the cable etc. you still have no backlight, replace the LCD. Hope this helps, good luck.

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