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After HDD Replacement, Won't turn on

Replaced HDD with Seagate 7200 RPM Momentus Drive, now MacBook won't boot. Have tried resetting SCM, PRM; tried holding power button for 5 seconds, tried different power adapter - with battery, without battery. For a while, the light on power adapter was blinking orange when I tried to boot, but would not come on. Have reinstalled memory strips, have tried putting alternate memory in; have tried switching back to original HDD. It's like the machine is not getting any power - no fan, no disk, nothing.

Any ideas?

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Plss. Help me too i have almost same problem after accidentaly deleting the OS or Application my mac book won't this play but have power and fan are working. I try also the three sulotion but nothing happend plsss help tanks.

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The new hard drive has to be formatted and a system installed to use it.

Start up from your system installation disk by inserting the disk and holding down the "C" key on start up. Go to the second screen pull down menu to Utilities '> Disk Utilities, select the drive on the left and format it. Now you can install a system.

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Thanks for the help. I did do that for my machine, and you're right, I had to format for it to work. The machine I'm asking about, though, doesn't turn on at all. No power. Even when plugged in. I'm afraid it's a logic board issue, but HOPEFUL it's just a left IO board replacement... I was wondering if anyone else had a similar problem and what it was that needed to be replaced.

Thank you!

Jennifer

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Jennifer, your question inferred that this happened after you replaced the hard drive. Remove the battery and see if it will boot. Why the new hard drive? Has it been formatted and does it have a Mac system on it? If not boot from your original system installation disk by inserting the disk and holding down the "C" while booting.

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Thanks. I tried putting the original drive back in. Again, while I appreciate your assistance, the problem is there is no power. None. The screen stays black, there's no chime, no fans, absolutely nothing happens. It's dead. Even when it's plugged in.

It HAPPENED to occur after replacing the HDD, but according to an outside tech, it's either the Side IO board or the logic board. It has nothing to do with formatting the drive, unfortunately.

Thanks, but I had to take it in to the Apple Genius guys to fix.

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Please look at the title of your question. Glad you got it working.

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I know this is an old thread, BUT I had the same exact problem (along with a lot of others on the net) and figured out what it was (without spending $ on an apple tech)! When I put in my new HD, going from a 160GB to a 750GB, put the case back on, no power nothing. I took the case off and plugged the power chord in with no battery, and it started up. The problem was the thin little HDD flex connector that powers the HD. When I peeled back the connector to get it off of the old hard drive, I accidentally ripped it. It was at a "Y" in the connector near the top where the HD gets plugged in, so it was hard to detect and barely noticeably. When I went to put the case back on, the power died again because the top case compressed the stress point that ripped in that connector causing it to short and kill the power. I used some scotch tape to tape it in place at the point that was torn. The part number for mine is 821-0513A if you want to look it up to see what I'm talking about. If anyone else has this problem, I suggest thoroughly checking every point of that connector. It's about a $30 part brand new.

Maybe this link with a picture of the part I am talking about will work. Its a very fragile connector:

Block Image

https://www.powerbookmedic.com/parts/922...

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There is no "thin little HDD flex connector that powers the HD" on this model MacBook. Are you talking about a different model?

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Regardless of model, if you have the gold ribbon connector, it is very fragile and if ripped during the process, it will make the computer appear to not power up. Google the part # I provided.

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This is a really old post and google happened to pop it up. Today I had a MacBook Pro 2008 / 2009 with a failed drive. Needless to say, for testing, I had an old sata sitting around and popped it in -- just to see if I could get an old Snow Leopard DVD to come up -- needless to say the drive had a copy of Windows 7 on it, to my surprise it showed it booting - after a minute or two the system died. From there, you guess it, would not power back on at all.

The solution I found, in case someone stumbles across this: is to remove the battery, the hdd AND remove the ram. Power it on -- you'll get two beeps because the ram is missing. Re-insert the ram, hdd, battery, etc, and it should power back on as usual.

Hope this helps.

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I’d like to thank you for adding what you learned to this super ancient thread. I replaced the internal drive on my mother’s MBP and couldn’t figure out why the heck it wouldn’t boot. I couldn’t find any other solutionse that worked. Your post allowed me to fix the problem .

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I’m having the same issue, here’s my scenario:

Bought a used late 2009 iMac in mint condition. Reinstalled OS, etc., its been working great. Decided to upgrade RAM and hard drive to ssd. I have experience replacing drives, broken ipod/ipad screens, etc..

I followed the iFixit guide (also reading through all the comments) as well as watched the OWC video. While I had the iMac open I cleaned out dust with compressed air and vacuum. Before people freak out, the vacuum did not touch any components. I hold the nozzle of the vacuum near where I blow the compressed air in short bursts so it sucks up the airborne dust. I have used this approach many times with zero issues.

Went to install new SSD and realized I had wrong adapter ( was using one I had on hand). Reinstalled original drive but now no power when I turn it on. No fans, no nothing.

Tried resetting SMC but nothing.

Thought maybe I had blown the power supply so took that out to inspect but looks fine (not that I would’ve been able to see anything, but was looking for obvious signs of damage). Reinstalled power.

Following advice of other commenters above, I removed RAM and disconnected HDD. Turned power on and low and behold it started with fans spinning, etc. However I had not reinstalled LCD.

After shutting it back down I reconnected everything , reinstalled RAM and went to power on. Same issue, no power. Just silence.

Do you all have any words of wisdom? Is it the HDD SATA cable somehow? It looks fine but I did have a tough time removing the SATA data connection when I first took the original drive out. The cable itself seems more robust than so many of the other cables in there.

I would greatly appreciate your thoughts.

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I’m having the exact same issue and have been scouring the internet to find a solution. I hope someone helps us out!

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Have you checked the gold HDD flex connector? It provides power to the HD and if it gets torn during the install (paper thin and hard to detect a tear) it will cause problems.

After HDD Replacement, Won't turn on

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Thanks Bartimus. Unfortunately my 27" 2009 iMac has a different sata connector, not the ribbon style. But I am going to see if I can find a replacement cable. Thanks for the quick response!

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Hi Jennifer I'm having the same problem and I'm pretty sure it has nothing to do with the formatting either but I was wondering what ended up being the problem?

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im pretty late to this party but i have a iMAC just replaced a bad hard drive and screen would not turn on after then my ram chip falls out on its own so i put it back in and bam screen back on make sure ur ram chip didnt come loose while taking your mac apart guys!

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Hello everyone, Its seem I have the same problem here. After replacing my hard drive, my mac turn on but it only display on blank screen with a picture of a file with a question mark, Am I doing anything wrong here. Please help and much appreciated.

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Just had my Mac book to the apple tech cause it would not charge or turn on. Payed for replacement hard drive. It worked great for one day now won't charge, won't turn on , no noise, no fan, no power. As I have read above people had the same problem when replacing hard drive themselves as the apple tech that did mine. Having to head back to. The store again for an analysis and hopeful a quick fix. If I can I will post what they did to repaire it this time. I know it is not the charger cause I tried three other charger using different out lets incase that was he proble absolutely no power. Here go fingers crossed

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No answer but the same problem . Replaced the he and the ram. Not my first time. Formatted and installed the o/s on the new crucial drive remote from another Mac and it worked fine. Next home I went to start nothing - no chime, no fan, no screen. I think the power ribbon to the HD makes the most sense. Does anyone have a definitive answer

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Same issue with my early-2011 13" MBP. THE OEM battery exploded and almost took out the trackpad and case. I got it out in time and took to Apple. They recommended I buy a replacement off the net. I did.

I took the opportunity to also upgrade to a SSD drive.

Now my MBP won't turn on unless I remove both the power cord and the battery. If I do that and put the battery and power cord back in place it will start every time. The next time I shutdown I have to yank the battery and power cord again.

We tried SMC reset. It did nothing.

I hope someone figures this out eventually. My laptop is fine other than this annoying issue and Apple says it's now "vintage" and won't work on it.

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What the heck… If I take off the battery, then the new SSD boots up…. but it’s a naynay with the battery plugged. What is this? MacBook Pro 2009. Upgraded to 8 GB ram, new trackpad, new power brick, bluetooth keyboard and magic mouse, new optical drive and from 250 GB HDD to 480 GB SSD. Mojave with patch, ok. New battery. It is working like a charm… (yeah, I’m not native english). So… WHAT IS GOING ON?

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