On a customer’s computer, after replacing the NVidia graphics (VGA) card, his computer no longer started in Windows 7 Normal mode. The first thing we tried to do to solve this problem was to boot into Windows Safe Mode and then delete all the NVidia drivers that were there. After that, we restarted the computer and let Windows automatically find and install the new graphics card driver. But on the first forced reboot, the problem was still there: Windows was stuck on boot and nothing happened. After some research, we finally found the following solution to solve this problem.
Requirements: .NET Framework 3.5
Supported OS: Windows XP to Windows 8.1 (x86/X64)
Attention: Try this method at your own risk only if you encounter the same problems when you try to install or remove your new graphics card using the procedure and instructions recommended by the vendor.
How to solve boot problems after installing a graphics card.
Step 1: Start your computer in “Safe Mode with Networking”.
For this:
1. Turn off your computer.
2. Start your computer (Power on) and while your computer is starting up, press “F8Before the Windows logo appears, press the ” button.
3. Using the keyboard arrows, “Safe mode with network” option and press “Enter”.
![safe mode-with network-thumb1_thu[2]](https://www.wintips.org/wp-content/uploads/2014/02/safe-mode-with-networking_thumb1_thu2_thumb1.jpg "safe mode-with network-thumb1_thu[2]")
Step 2: “Download and Run”Display driver uninstaller” convenience.
Display driver uninstaller A driver uninstaller that helps you completely remove AMD/NVIDIA graphics card drivers and packages from your system without leaving any leftovers (including registry keys, folders and files, driver store).
1. Open your internet browser and download Display Driver Uninstaller DDU utility from one of these locations:
2. click on “Download” button and “Display driver uninstaller“utility program on your computer (such as “desktop”).
![display-driver-uninstall-utility[3]](https://www.wintips.org/wp-content/uploads/2014/02/display-driver-uninstaller-utility3_thumb.jpg "display-driver-uninstall-utility[3]")
3. When “DDU v12.3.exe” file download is complete, navigate to the file download location (for example, your “Work table”) and double click at”DDU v12.3.exe“.
Click on (“Running” when asked …)
4. Specify a destination folder for the extracted files (eg “C:\Users\Admin\Desktop\DDUv123”) and then press “Extract” button.
5. When the extraction is complete, open the destination folder (for example, “DDUv123” On the desktop) and double-click “”.Display driver uninstaller” application.
6. Click on “OK” to DSU warning message.*
Note: The procedure described below is usually effective and will not cause problems to your computer. But for security reasons, it is better to take a backup of your personal files before use DDU convenience.
7. When “Disable Display Driver” the main program starts, choose (1) your graphics card model (for example “NVIDIA”) check (2) “Remove the C:\AMD and or C:\NVIDIA folders” option and press “Clean and Restart (Recommended)” button.
After restarting the computer, Windows should load normally and without problems.
Step 3: Download and install the graphics driver.
When your computer restarts, go to the graphics card manufacturer’s website to download and install the appropriate driver for your graphics card:
Good luck!
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