How to do hard disk blue screen prompt error

I used discarded 10GB notebook hard drive with an IBM hard disk box, assembled an external hard drive. But when i pull out the hard disk from the computer, the system often display blue screen, prompting file read and write error, my system is Windows ME, Fortunately, my external hard disk data is safe, and can be used normal. Will this affect the life of external hard drives? Whether it will Impact computer?

This situation influential to external hard drive and the computer. The problem occurs because of when you pull out the external hard drive from your computer, the external hard disk read and write operations is still running. At this time seizing the external hard disk, the system will prompt that read and write file error. Due to the hard disk is in working condition, forced power may cause more serious damage, so before you plug out the external hard disk, you should determine the system of external hard disk read and write over. Secondly, there is USB disconnect function in Windows 2000/XP system, but not integrated this function in Windows 98/ME. In the case of the proposed conditions, upgrade the operating system to Windows 2000/XP.