How to Fix NVIDIA Graphics Card Not Detected Error 45
4The NVIDIA GPU error code 45 is typically associated with the message "Hardware device is not connected to the computer," which appears in the Device Manager. This error indicates that Windows cannot recognize the hardware device, in this case, the NVIDIA GPU, because it is not properly connected or there are issues preventing it from being detected. Here are some common causes for this error:
Physical Connection Issues:
The GPU may not be properly seated in the PCIe slot, or there could be issues with the physical connection, such as dirt or debris in the slot or on the contacts of the GPU itself.
Driver Issues:
Corrupted or outdated drivers can cause the operating system to fail to communicate effectively with the GPU. This might occur after a system update, driver update, or software change that affects the device drivers.
Hardware Malfunction:
The GPU itself might be faulty or damaged, which can prevent it from being detected by the system. This could be due to overheating, manufacturing defects, or wear and tear.
Power Supply Issues:
Insufficient power supply or issues with the power connection can lead to the GPU not being recognized. GPUs require a significant amount of power, and any disruption in the power supply can cause detection problems.
Solutions to Resolve NVIDIA GPU Error Code 45:
To troubleshoot and potentially resolve the NVIDIA GPU error code 45, consider the following steps:
Re-seat the GPU:
Power down your computer, open the case, and carefully remove and reinsert the GPU into its PCIe slot, ensuring it is securely and properly connected.
Update or Reinstall GPU Drivers:
Go to the NVIDIA website to download and install the latest drivers for your GPU model. Consider completely uninstalling the existing driver and then performing a fresh installation.
Check Power Connections:
Ensure that the GPU is receiving adequate power. Check all power connectors to make sure they are securely connected and that the power supply unit (PSU) meets the power requirements of the GPU.
This troubleshooting guide will work Windows 11 operating systems (Home, Professional, Enterprise, Education) and desktops, laptops, tables and computers manufactured by the following brands: Asus, Dell, HP, MSI, Alienware, MSI, Toshiba, Acer, Lenovo, razer, huawei, dynabook, LG , vaio, surface among others.
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》 CHAPTERS 《
00:00 Intro
00:25 Solution 1
01:21 Solution 2
01:57 Solution 3
02:53 Outro
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