some keyboard keys not working - can't log in

[mamajt]

keys 4,r,f,v of my MBP 15,4 stopped working (i copied and pasted them into this post)
My password contains 2 of these letters and so I cannot log in.
I cannot copy and paste them because the v key is not working.
I cannot change my admin password because my installation cds got lost.
I have no external keyboard. What to do?

 

[kostia]

Can you copy and paste with the mouse (select and right click)?

You can get an external keyboard really cheap, any USB keyboard will work.

 

[kostia]

Also, Apple will sell you replacement install CDs for a small fee once you get to that point.

 

[r.j.s]

Right now, an external USB keyboard is pretty much your only option ...

 

[mamajt]

How I handled this problem:
1. log in into your guest account
2. turn on on-screen keyboard (system preferences -> international -> input menu -> keyboard viewer
3. change your admin password in system preferences -> accounts
4. log in with your new password and keep using on scren keyboard