Solved PC won't turn on after SSD installation. Any ideas?

August 1, 2018 at 16:21:46
Specs: Windows 7, Intel Core i3-4350/3.60GHz
Just replaced my HDD with an SSD. I wanted to connect to both of them at the same time so that I could transfer the data from the HDD to the SSD with an application. After hooking up both HDD and SSD with SATA cables and power connectors, I then turn the PC power back on and tried to start the PC. It will not turn on when pushing the power button now. I tried unconnecting the SSD and trying to get it to boot off of the HDD again. No luck at all. I then took out the HDD and tried running on just an SSD. No go.

Are there any obvious reasons why this may be happening..?
I thought that maybe my PSU couldn't handle both together but now it won't start with the one.

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#1
August 1, 2018 at 17:22:53
HDDs & especially SSDs use very little power, so the problem probably isn't due to an undersized PSU. Did you unplug the power cord & ground yourself before working inside the case? Did you try booting with no drives connected? They're not required for testing purposes.

EDIT: another thought. Reset the BIOS using the clear CMOS jumper (make sure power cord is unplugged 1st) & then try booting while no drives are connected.

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#2
August 1, 2018 at 18:47:27
Initially I did not unplug the power cord but simply hit the switch off. I tried booting with no hard drive but it did not work. I just removed the CMOS battery and put it back in again. It still will not power on with or without a drive connected.

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#3
August 1, 2018 at 20:54:46
✔ Best Answer
Check all cables in computer case with power cord unplugged, you might have dislodged one cable while inside system, especially the larger and smaller cables to the motherboard (20 or 24pin and 4 or 8 pin motherboard and CPU connectors).
Check the case to motherboard wire connectors so the power button can actually work, if any are unplugged, reattach.
Check the seating of the memory cards, etc., even removing the cards, cleaning the metal contacts with a soft clean pencil eraser, removing the left over bits, and popping them in and out of their sockets 4 or 5 times to burnish the contacts as well. A slight nudge of a working card and the good contact is lost and the clean point of contact now rests on a tarnished spot a fraction of a mm from where it was so poor contact. Cleaning usually fixes this if it is the cause.
Check the case for loose screws, if a screw was dropped inside of the case, then it was stood up or moved, the screw may now be touching a contact under the motherboard or other point and grounding it out against the case. If you remember loosing one, find it.
Check routing of wires to be sure that none are rubbing against any sharp edges of metal in the case and shorting out.

You have to be a little bit crazy to keep you from going insane.


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#4
August 2, 2018 at 08:11:00
It's up and running again! The cable to the mainboard wasn't seated correctly. I thought I had checked all of the cable connections. I appreciate all of the help!

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