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MBP extremely slow after SSD installation

Sweps

macrumors newbie
Original poster
May 29, 2016
1
0
Hi guys,
I've just installed a new kingston v300 120GB SSD on my MBP 2012.
The Mac was insane slow already during the OS installation, I tried to install El Capitan, but it took too much time and it kept freezing at 80%.
So I decided to install Maverick, and it went quite good despite the fact that it was still too much slow.
I hoped it would have been better after the installation was complete, but instead now it's pretty unworkable. It took ages to do whatever action.
I have a SATA 3 interface, and 4 GB RAM.
Thanks!
 

JTToft

macrumors 68040
Apr 27, 2010
3,447
792
Aarhus, Denmark
Kingston V300 is not a fast SSD, but you shouldn't be seeing what you're describing.
It's feasible you have a bad SATA cable. You might try taking the SSD out and connecting it externally to see how that works.
 
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robeddie

Suspended
Jul 21, 2003
1,777
1,732
Atlanta
Probably something got damaged in the install? That said, should have gotten an 850 evo. I've got 2 1tb evos in my 2012 MBP and they're super fast and going strong 13 months in.
 
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