Having a tired old machine, I had tried everything to speed it up, nothing worked. someone suggested an ssd, so I thought give it a go before retiring my old faithfull HP pavillion. It was easy to migrate everything from the hard drive to the ssd via a usb to sata cable and free software, then swap the ssd into the laptop. It booted up after the swap of drives without any trouble and so fast if I had blinked I would have missed it.
I am very pleased to be able to continue to use my old faithful with its new lease of life, it feels and reacts like a new machine, and it runs quietly and cooler, Money well spent.