External hard drive from pc to mac please help

My HP motherboard fried but the hard drive was fine. I extracted it, and put it an external enclosure and made it external. I plugged it in and it shows up on disk utility, but now I don't know what to do. I want to be able to transfer my old files to my new Mac. It says disk1s1 (the part with all of the files) isn't mounted. Should I mount it? will this erase my old data? Thanks

Hello jnorris5
Welcome to the Apple Discussions!
If the drive shows up in disk utility then it should show up in Finder (desktop). If it does show in Finder then all you have to do is drag and drop the files that you want to the Mac.
As the other poster stated you may be running NTFS file system on the ext drive, this is not a problem if you're only reading or copying the files. If you plan on writing to the drive with your Mac then you'll need to either format the drive (once you get the data off) to OSX Extended (Journaled) or FAT. You can alternately use a third party program such as paragon or macdrive, suggested by the other poster.
But if all you want to do is get the data from the drive to the Mac then just plug it in drag and drop the files.

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