Macbook pro 2011 backlight fuse

Introducing Sentient Search. The parts and device search that simply knows what you're trying to find. EMC number Model identifier MacBookPro11,4. Model number A Any combination of relevant keywords macbook pro mid logic board.

No devices found. No products found No compatible products found No related products found. Is there a part, tool or other item that we don't carry and you'd like to see? Request an Item. LCD Backlight Fuse. New Condition OEM. Quantity Discounts. Replacement fuse for the LCD backlight circuit. If the LCD backlight does not turn on dark screen but you can see the desktopyou might just need to replace this tiny fuse.

Identified by the letter "P" printed on the top surface of the fuse. Can be found labelled as F in circuit schematic diagrams and board view software. What's Included. Identifying Numbers. Never visible on the item. Tech Specs. Ampere Rating: 3. No Warranty - This product is designed to be consumed with use.

Find your device to verify compatibility. Not Compatible Compatible. Your Lists.Model A Where is the backlight fuse on the logic board, mbp powers up fine I hear the startup chimes, fan spinning. But the display screen is black. I connect the mbp to an external monitor and it works. I need to locate the fuse and test it. Also need the ID number in case it needs to be replace. Ok I check the contracts 38 39 40 all at 0.

I know that this is bad. I had also found on the lvd connector some kind of white foreign substance together with a bent contact and that is only the beginning of other issues. Iong story short this logic board is going to the trash bin and try to get a new board.

Thank you everyone who gave some of their free time to assit me. Once again thank you and god bless. It should be a XXXX number possibly A and if you add some high res images to your question front and back then we could even point it out for you.

What is the history of this laptop? Any liquid spill? When did this happen? Flowing an incident of some sort? Logic board The problem started when I tear it down used ifxit guide to replace the termal paste.

No history of any kind of mishap. This does not mean that the failed backlight is caused by that fuse. You do want to pay particular attention to contact 38, 39, and 40 on your LCD connector. Make sure that you do not have any shortcircuit anywhere else.

How could I determine if there was a short? I did notice on the LCD black spots on the left corner othe connector. Check the answers Backlight not turning on after water damage. What to do? Yes this is exactly what I've searching for couple days, my Macbook Pro 15" A Mid have backlight problem.

Thanks for oldturkey Fix Your Stuff. Back Answers Index. View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Voted Undo. Score 1. The All-New. The high performance electronics repair kit. Chosen Solution. Was this answer helpful?So I came across this MacBook from a friend and originally it had a cracked screen. The backlight worked at this time. Well she was given a free screen swapped it over and the backlight doesn't work could be why it was free well I have done research and seen about the fuse I took the back off powered it up and I have 10v across the fuse when on and I can see items on the screen with a light shined on it.

Anything else I should check before ordering a new screen? So I got a used screen off of ebay and doped it in. I have about 11V across the back light fuse and some of the pins on the controller have some resistance on them. I picked this up cheap hoping for an easy fixand I don't want to dump in money for a new logic board at this point.

The laptop was working fine the screen was stepped on, and it's had this issue ever since. If you want to replace a part, I'd go with the logic board, but check your old one first. Clean it appropriately with isopropyl alcohol and check the fuse and other components, for any damage. Check your display cable connector and make sure it is seated properly and check for damage on it as well.

Fuse and LED driver location marked. The driver is a APPA and that of course means it is Apple proprietary so no data sheets available. It might also be impossible to get a replacement. You'll have to find some information about Apples LED driver and see if there is a compatible one from TI for example. How do you check the led driver? The fuse has power acrossed it when on 10v to be exact. So my fuse is good. If the driver is good also could the screens backlight have just burnt out also?

Imhad the same problem, and tried the isopropyl alcohol on the backlight fuse.

macbook pro 2011 backlight fuse

I noticed some corrosion upon checking it using your illustration above. Thanks a million bro. Your a lifesaver. Well at least a MacBook Pro saver. Seji the veggie skimmilk It means the backlight burned out. You can choose to replace the backlight on its own, but this repair is risky and very difficult since the LCD and backlight are fused together.To start the conversation again, simply ask a new question. MacBook Pro, null. Posted on Jul 7, PM.

Jul 9, AM in response to selnomeria In response to selnomeria. Jul 9, AM. Unfortunately the extension program has ended: MacBook Pro inch, Mid intermittent black screen or loss of video Quality Program has ended - Apple Support.

Page content loaded. Jul 7, PM in response to selnomeria In response to selnomeria. You can reference ifixit. Jul 7, PM. Jul 8, AM in response to selnomeria In response to selnomeria. Jul 8, AM. It's not possible to pin-point the problem without tearing down your Mac.

Where is the fuse for the backlight?

That procedure is long and complicated, unless you are very good with hardware. As I've said, best to take it to an Apple store for a free evaluation. Then you can decide how to proceed.

Jul 9, AM in response to macjack In response to macjack. Jul 9, AM in response to leroydouglas In response to leroydouglas. Question: Q: Screen has no light, but under flashlight i see that it works More Less.

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Communities Contact Support. Sign in Sign in Sign in corporate. Browse Search. Ask a question. User profile for user: selnomeria selnomeria. Notebooks Speciality level out of ten: 0. Question: Q: Question: Q: Screen has no light, but under flashlight i see that it works Suddenly screen backlight has gone and the screen is completely black. More Less. Helpful answers Drop Down menu. Jul 9, AM in response to selnomeria In response to selnomeria You've already diagnosed it yourself.To start the conversation again, simply ask a new question.

It's working properly in the external monitor. Posted on Apr 8, PM. Page content loaded. Apr 8, PM in response to askmeplz82 In response to askmeplz Your query is best asked and answered at an Apple store genius bar.

Your post suggests that there may be an issue with the display or the display connection.

macbook pro 2011 backlight fuse

Apr 8, PM. Genius bar will replace the complete logic board and that's very expensive for a model macbook pro. Apr 12, PM. Apr 12, PM in response to askmeplz82 In response to askmeplz The tech guy used replaced the fuse in the board. I do not have the graph to locate the fuse. Apr 13, AM. Jun 20, PM in response to askmeplz82 In response to askmeplz Jun 20, PM. Question: Q: Is this the Backlight fuse in macbook pro 13, early ?

More Less. Communities Contact Support. Sign in Sign in Sign in corporate. Browse Search. Ask a question. User profile for user: askmeplz82 askmeplz Is this the Backlight fuse in macbook pro 13, early ?By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Ask Different is a question and answer site for power users of Apple hardware and software.

It only takes a minute to sign up. I bought a late MacBook pro for parts.

macbook pro 2011 backlight fuse

The computer turns on and functions but there is no lcd backlight. I can see there is video to the screen when shining a light through the back of the apple logo.

The lvds connector looks fine. The motherboard looks good. I've heard that backlight fuses go bad but I don't have the right soldering iron, or confidence, to replace the fuse. I see another board beneath the LCD clutchplate. Is that board an inverter?

If so, maybe the inverter is the cause of the problem? I have a couple mid mbp lcd assemblies sitting around but it appears those have a different cable layout.

Before I try to dismantle these LCDs to find any cross-over parts, does anyone know if the mbp LCDs are compatible with a late board? Thank you allan for helping me move forward through the isolation process. Through deduction, I found the problem to be with the motherboard. Sign up to join this community. The best answers are voted up and rise to the top. Asked 2 years, 6 months ago.

Active 2 years, 6 months ago. Viewed 1k times. What do you suggest trying next? How can I isolate this problem? It's easy to test a fuse - check for continuity with your multi meter. As far as the component in question inverterplease post a picture - a "clutch plate" is automotive term there's no "clutch" in a laptop so I am unsure to what you're referencing.

I meant to write "clutch cover". When I searched for it on eBay, all the listings had "clutch cover" in the title. I might have the wrong term. It is the black, plastic cover at the base of the display assembly. Does the LVDS cable provide backlight power and video data or only video data?

If it's the former, I have isolated the problem to the motherboard. I tried a display assembly and it received video but no backlight. The problem is with the motherboard. Active Oldest Votes. This is the entire process I used to isolate the issue Power on and shine a light through the Apple logo or examine the LCD closely to see if it is receiving video.

The other option is to connect the computer to an external display.

macbook pro 2011 backlight fuse

Remove back cover and examine the LVDS connector it's the gold connector located near the hinge facing the display assembly.If it is negative, divide 100 by the moneyline amount (without the minus sign) and add 1.

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