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Apple Computing Products:
macOS - Notebook Hardware
MacBook Pro wont power up after HD upgrade
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<blockquote data-quote="sparky0916" data-source="post: 1605170" data-attributes="member: 332821"><p>Hey guys,</p><p></p><p>I bought a 15" MacBook Pro [mid 2012, A1286] second hand nice & cheap last week cause the display backlight was faulty. I plugged it into an external monitor and it was definitely working fine.</p><p></p><p>I had bought a Seagate 1TB SSHD to replace the HD that died in my 17" MBP the week before, but decided to put it in the 15" as it's a much newer model. </p><p></p><p>After installing the new unit in the 15", I put it all back together, hit the power button only to find no signs of life at all [except for the green battery indicator lights on the side]... No fan, no ding, no drive noise, nothing!</p><p>I opened it up again & double checked that the battery and all all the other cables/connectors that i may have accidentally bumped were still connected properly. I even tried putting the original HD back into it just in case.</p><p>[i've since taken the orig 15" HD out and put it into the 17" MBP to get it working again].</p><p></p><p>Although the green lights on the side light up when i press the battery indicator button, i tried disconnecting the battery, connecting the charger and still nothing.</p><p></p><p>Is there any chance i could i have bumped something causing a connection/cable to come loose on the underside of the board?</p><p></p><p>I'm praying that someone will have the magical cure for this [or at least point out something that i've stupidly overlooked, hehe]... please?! <img src="/mac_images/images/smilies/Undecided.png" class="smilie" loading="lazy" alt=":\" title="Undecided :\" data-shortname=":\" /></p></blockquote><p></p>
[QUOTE="sparky0916, post: 1605170, member: 332821"] Hey guys, I bought a 15" MacBook Pro [mid 2012, A1286] second hand nice & cheap last week cause the display backlight was faulty. I plugged it into an external monitor and it was definitely working fine. I had bought a Seagate 1TB SSHD to replace the HD that died in my 17" MBP the week before, but decided to put it in the 15" as it's a much newer model. After installing the new unit in the 15", I put it all back together, hit the power button only to find no signs of life at all [except for the green battery indicator lights on the side]... No fan, no ding, no drive noise, nothing! I opened it up again & double checked that the battery and all all the other cables/connectors that i may have accidentally bumped were still connected properly. I even tried putting the original HD back into it just in case. [i've since taken the orig 15" HD out and put it into the 17" MBP to get it working again]. Although the green lights on the side light up when i press the battery indicator button, i tried disconnecting the battery, connecting the charger and still nothing. Is there any chance i could i have bumped something causing a connection/cable to come loose on the underside of the board? I'm praying that someone will have the magical cure for this [or at least point out something that i've stupidly overlooked, hehe]... please?! :\ [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
MacBook Pro wont power up after HD upgrade
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