Black screen after bootmgr error.

Its a Vista Acer laptop over a year and half old. It started acting slow, then one day when it comes to turning it on it comes up with the bootmgr missing error message. Now I looked around and tried the disk repair solution. When it came to the repair it said it couldn't. I tried the "bootfix" after that and restarted to check results. It came up with a black screen with a flashing cursor. Now it won't even boot the cd no matter what boot order it has and no devices plugged in. Help!
Coolname 007: Sorry I forgot to mention, I tried it several time (3-4) before trying bootfix and even if I wanted to try again it wont let me.

Terry60: Thanks, but it didn't help at all since it won't read a disk and it refuses to do anything else.