Sunday, December 16, 2007

Operating Systems: PC won't boot after a configuration change

A user makes some configuration changes and then installs an application. The application requires the user to reboot the computer. When the computer reboots, it is unable to start Windows XP.
You need to ensure that the user's data is preserved.
What should you try first?

1. >>Start in Safe Mode and perform a System Restore.
2. Use the Emergency Repair Disk.
3. Perform Automated System Recovery.
4. Start the system in VGA mode and uninstall the application.

Explanation : You should start the computer in Safe Mode and perform a System Restore. Windows XP saves a scheduled restore point, a restore point before making some configuration changes, and a restore point before an application is installed. It allows you to revert your computer's configuration to a specific point in time. Restoring a system using System Restore does not affect user data. You can initiate System Restore by booting normally or to Safe Mode. In this case, you will need to boot to Safe Mode.

You should not start the system in VGA mode and uninstall the application. VGA mode is used specifically to correct problems with the video adapter configuration. Also, uninstalling the application might not resolve the problem because the problem might be caused by one of the configuration changes.

You should not use Automated System Recovery (ASR). ASR reformats the hard disk and restores from an ASR backup set, which does not include user data. Therefore, user data would be lost.

You cannot use an Emergency Repair Disk (ERD). ERDs were supported by Windows NT and Windows 2000. They are not supported by Windows XP.