crwdns2934241:0crwdne2934241:0 david chase
crwdns2934249:0crwdne2934249:0:
You can try performing a system restore before you try to install a new OS so for perform system restore is to open safe mode by clicking F8 on start-up and check safe mode option then further a dialogue box will open to ask for system restore and then follow the above steps.
crwdns2915684:0crwdne2915684:0:
open