Blank screen with 5a for long time while starting computer

[jaywant]

hi friends i am facing some problem while starting computer, when i start my computer it get stuck before booting showing blank screen with a small in written 5a then i tried restarting but same problem but if i wait for long time it automatically get started with loading windows.........i think its problem detecting cd rom because while starting computer i see green light on......please suggest me a good solution thanks

 

[Proximon]

I realize that english isn't your language, but I'll need some more information.

Did you just build this computer?

How long has this been happening? When did it start?

What motherboard?

What version of Windows?

Is the CD Drive SATA or IDE?

Hard drive?