|Wrong answer above. There is no jumper in a laptop and the CMOS has already been reset to defaults.|
Navaneeth, posting your email in the open like you have is an invitation to receive lots of spam. We do not use email here. This is a public forum.
You need to enter the BIOS (setup) screens on both your machines. Set the date and time correctly and then hit F10 when exiting to save the changes.