Accessing Samsung Galaxy Y without data loss

I have my very first smart phone - a Samsung Galaxy Y (2011 Android 2.3) - in hand and i wanna access it in a timecapsule kind of way to look around but its pattern locked. So the issues: - Gmail password is out of sync. No internet connection. Can i get in sync? - Computer doesnt regonize the device. Assuming its a security thing because its locked. Can i get around it? If so might be able to use ADB or other software. - Unable to install outside software from sd card. Gives out different error messages. Can go in detail if needed. Im so lost and hope to get the data out. Its the only valuable thing about the phone.