Windows OS goes to black screen after Windows update

Symptom: The client has a windows 7 PC. Windows OS goes to black screen after Windows update. It boots, but it goes to black screen after Windows popup.

Troubleshooting: 1. Safe mode and last known good configuration don’t fix the problem. Refer to this psot:

How to boot into Windows 10 Safe Mode in black screen

2. Run Windows repair locally, but can’t access because incorrect password.

3. Run Windows bootable DVD and run repair. But it doesn’t fix the problem.

4. Run Windows repair and select System restore. Select early system point, but that doesn’t fix the problem.

5. Run Windows repair and select command. The restore backup registry files. That fixes the problem. The step by step procedure can be find here:

How to recover a Windows system that does not start because of corruption in the registry

Note: 1. The registry backup files have been remove from \windows\repair in Windows XP to \windows\system32\config\regback in Windows 7 and 10.

2. OS may install on differnet drive instead of C drive.

Published by

Bob Lin

Bob Lin, Chicagotech-MVP, MCSE & CNE Data recovery, Windows OS Recovery, Networking, and Computer Troubleshooting on http://www.ChicagoTech.net How to Install and Configure Windows, VMware, Virtualization and Cisco on http://www.HowToNetworking.com

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