NVIDIA driver issues, such as error codes 43 and 45, can prevent your graphics card from functioning properly and may lead to reduced performance or missing functionality. These errors are commonly caused by outdated drivers, corrupted installations, hardware recognition problems, or system conflicts. Follow the detailed instructions below to resolve these issues.
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Getting NVIDIA drivers for your Razer Blade
Find NVIDIA driver updates via Windows Update. See How to get the latest software and driver updates from Windows for more details.
If you just updated Windows, please install the "Optional updates" under Settings > Windows Update > Advanced options.
Troubleshooting display issue (Error 43 and Error 45)
In some cases, the display issue can be resolved by updating or reinstalling the display driver.
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Right-click the "Start" button.
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Select "Device Manager".
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Look for an exception in "Display adapters".
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Right-click and select "Properties".
For Error Code 43
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Right-click on the NVIDIA device under Device Manager.
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Select "Uninstall device".
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Select "Delete the driver software for this device".
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Click on "Uninstall".
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Click on "Action" and select "Scan for hardware changes". This will automatically reinstall the driver.
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Boot up in Safe Mode.
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Reinstall the drivers. This is to eliminate the possibility of a corrupt installation.
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Perform a system recovery or factory reset.
For Error Code 45
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Go to "Action" under Device Manager.
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Click on "Scan for hardware changes".
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Follow the on-screen instructions.
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If NVIDIA drivers are installed, uninstall the drivers in "Device Manager".
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Select "Delete the driver software for this device".
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Restart your Razer Blade. Windows will automatically detect and reinstall the drivers upon reboot.
If you have a Razer Blade Stealth connected to a Razer Core, ensure that the Graphics Adapter in the Razer Core is detected by the system otherwise, skip this section.
- Open Device Manager.
- Expand "Display Adapters". You should see three display adapters including "Microsoft Basic Display Adapter".
Troubleshooting blue screen errors
For a guide on how to resolve the Blue Screen of Death (BSOD), see How to fix BSOD errors on a Razer Blade system.
Using NVIDIA GPU for primary display
Note: Some Razer Blade Pro models allow using discrete NVIDIA GPU onboard for primary display. To see if your Razer Blade supports this, do the following:
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Launch Razer Synapse.
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Go to SYSTEM > PERFORMANCE > GPU MODE.
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Select "Dedicated GPU only".
Note: While on "Dedicated GPU only" mode, battery use is higher.
GPU is not detected or crashing
GPU errors and crashes on your Razer Blade can be fixed by system and driver updates.
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Ensure Windows is up to date. See How to get the latest software and driver updates from Windows.
If you just updated Windows, please install the "Optional updates" under Settings > Windows Update > Advanced options.
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Reboot your system after a system update.
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Check for new updates from time to time.
Using NVIDIA GPU for primary display
Note: Some Razer Blade Pro models allow using discrete NVIDIA GPU onboard for primary display. To see if your Razer Blade supports this, do the following:
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Launch Razer Synapse.
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Go to SYSTEM > PERFORMANCE > GPU MODE.
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Select "Dedicated GPU only".
Note: While on "Dedicated GPU only" mode, battery use is higher.
Downloading the NVIDIA Control Panel
NVIDIA Control Panel application is no longer included in the NVIDIA driver package. However, you can get it at Microsoft Store.
Learn more about NVIDIA drivers for Windows 10.
