If that PC having Windows XP Operating System

Given below are the problems

1. Select boot device in BIOS

2. If you are installed

Multiple operating system, select which one you want it (that files Boot.ini)

3. ntldr misssing press ctrl+alt+del to restart

4. ntdetect.com file is

missing press

5. Kernel file is missing press c+a+d to restart (ntkernol)

6. Chkdsk error

7. No media device

8. Bad RAM

9. Fatal Error (Blue Screen)

10. Once enter the OS it is showing low disk

space / low virtual memory, etc..

11. Not properly installed hardware and software drivers (see the device manager)

12. Your HDD having Bad Sectors

13. Again and again restart

14. System is hanging