Look for the PC's date of manufacture or service tag number
stamped near the serial number (labeled s/n or Service tag). It may
also be on the back panel of the tower. Warranties are usually good
for 3 or 4 years.
For Macs
To find your computer's serial number
on a Mac OS X machine, select the Apple icon from
the toolbar at the top of the screen. Select About This Mac,
a popup window will appear.Under the
label Mac OS X, double-click the
text showing the version of software installed.
The computer's serial number will be displayed
in the same space.
Call Apple's support number and ask for the warranty status OR go to
http://www.apple.com/support/, select Check Your Service and Support
Coverage from the Self Service box on the right side of the screen,
then enter the serial number of your computer
Call the Help
Desk and ask for the Desktop Services Support Center for help
in assessing Apple warranty status.
For Dell Computers
Locate the PC service tag number (on a label on the back of the
CPU). Be sure to look closely at numbers and letters to distinguish
them. Dell Support provides
help for locating the service tag and reviewing warranty
information.
Desktop Services' Field Support works only on University-owned
PCs and is therefore not listed as a public Dell Service Provide on
the Dell Support site.
For Lenovo Computers
Locate your machine's serial number. For help follow
the link listed below. Be sure to look closely at numbers and
letters to distinguish them.
Obtain warranty status and warranty expiration date at the Warranty
Lookup page.
For Other Manufacturers
Contact the vendor's support line or web site to obtain
warranty status.
Have your model and serial number (service tag number)
available when you call