This is meant to be a rough guide and Leelanau Communications, Inc. takes NO RESPONSIBILITY for any damages arising, directly or indirectly, from testing done by any user or business. For more, read our disclaimer. There, with that out of the way, read on to begin developing a computer or network testing plan. Testing Your Computer or Network / Basic Outline Make multiple backups of your data. Back up applications as well if you have the space, but definitely back up your data. If it disappears into the 1900s, you'll have no one to blame but yourself. If you are testing a network or have multiple computers running the same operating system and software, you might want to initially test a single computer (remove it from the network first though). Set the date to December 31, 1999 and the time to 11:58 PM. Turn the computer off, wait three minutes, and turn it back on. Your computer should report that it is January 1, 2000 at about 12:01 AM. This "rollover" test determines if the system clock and your applications will join you in the next century. Set your computer's date to April 1, 2000 (or any other date after January 1, 2000). Turn the computer off, wait until the hard drive spins down and turn it back on. While some systems can correctly roll over and keep track of the proper year, they may have problems taking a user entered date beyond 2000. A problem at this stage is probably the real time clock having only a two digit field. Open and run all of your programs. If you are using a program that takes date entries (spreadsheet, contact manager, etc.) enter some post 2000 dates and save, close and reopen. One good date to use is February 29, 2000 (the year 2000 is a leap year). Pay special attention to DOS programs.
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