Help with MacBook Pro

[stagi]

I have an older MacBook Pro (2007). Hard drive was failing so I got a new drive and replaced it. Followed some instructions online and it was fairly easy, just had to open up the case, pop the old one out and replace. I was careful with everything and after putting it back together it won't turn on. It's plugged in right now and pressing the power button does nothing?

Anyone know what could possibly be the problem here?

Thanks!

 

[Angelo95210]

I have one of these old MBP and I have heard it's not that easy to change the hard drive. Did you use a tutorial to make sure you plugged everything back ?

 

[stagi]

I have one of these old MBP and I have heard it's not that easy to change the hard drive. Did you use a tutorial to make sure you plugged everything back ?

Yea, used a tutorial and it was actually very easy. Took out all screws opened up the case, unplugged drive, plugged new in and put back screws. I opened it again and made sure all cables were securely in and everything looks fine but still won't turn on.