Windows Vista will not start up

Please have a look at this link to see MS's recommendations for startup problems in vista.
And since you can't even get it booted at the moment, see here for an explanation of that 0x...24 error code, which indicates a problem with the file system driver or the drive itself. You will need to run the chkdsk utility from a recovery disk or recovery console to determine this.
It's possible that since your optical drive is not functioning, that the driver for that drive is causing the problem, but if you don't have the recovery console installed and can't run a recovery disk, you may have to take it to a shop just to get it booted on another hard drive. (see similar discussion here)
There is a hotfix available for systems that receive this error code, see here
Because there is a hotfix available, you might be able to get Microsoft support for this problem by following the hotfix link in that last link.
Good luck.
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Here's to to restore your laptop. Keep in mind that this will most likely delete everything off your hard drive and restore it to factory defaults.

If you choose not to restore your system, I would recommend taking it to a local computer repair shop.

The procedure is as follows.
1. Turn off the computer.
2. While holding the F8 key, turn on the computer.
3. The Advanced Boot Options menu will be displayed. Use the arrow keys to select Repair Your Computer and press ENTER. 4. Follow the on-screen instructions.

u find one option after automatically restart launch startup & repair do that thing