There are a few computers that accept passwords. They have to be guessed. so here they are if you're stuck. You can enter the same password for every computer.

The fastest one to enter is zxcvb.

• 00000000 - US nuke launch code (PAL) until 1977 - source
  
• ber5348833 - The Net (1995 film, source[mike.passwall.com])
  
• courage - The Password Is Courage (1962 film)
  
• fidelio - Eyes Wide Shut (1999 film)
  
• freedom - The word William Wallace yells at the end of Braveheart (credit: Braden)
  
• gizmo - Small Soldiers (1998 film, password is a reference to Gremlins)
  
• Joshua - Wargames (1983 film)
  
• krmit - Hackers (1995 film, source[www.imdb.com])
  
• Kronos - The Incredibles (2004 film, Syndrome's password, source[movies.stackexchange.com])
  
• mellon - The Fellowship of the Ring[www.tk421.net] (LOTR series, the Elvish word for friend)
  
• opensesame - Ali Baba and the Forty Thieves (classic story & common password since)
  
• pencil - Ferris Buellers Day Off (credit to Gothmog)
  
• swordfish - Swordfish (2001 film about "hacking")
  
• valleyforge - Deus Ex (2000 game, also a popular sci fi password - source[www.quora.com])
  
• Z1ON0101 - The Matrix Reloaded (Trinity uses an IRL exploit to set this password)
  
• zxcvb - qwerty but for the bottom row

There's another password that doesn't turn up in Google, it's probably personal to the dev so I'll keep it private.