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A_Gayathri
HP Administrator
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To download drivers for the HP Pavilion Desktop a645w, follow these steps:


  1. Visit the HP Support Website: Go to the HP Customer Support - Software and Driver Downloads.


  2. Identify Your Product:

    • You may see an option to select your product. Click on "Desktop" since you are looking for desktop drivers.

    • In the search box, type "HP Pavilion a645w" and submit your search.


  3. Select Your Operating System:

    • Once your product is identified, you will see a list of available drivers for different operating systems.

    • Make sure to select the correct version of the operating system you are using (e.g., Windows 10, Windows 7, etc.).


  4. Download Drivers:

    • Browse through the list of drivers available for your desktop.

    • Click on the "Download" button next to the driver you wish to install. It might include drivers for audio, network, chipset, etc.


  5. Install the Drivers:

    • After the download completes, open the downloaded file and follow the on-screen instructions to install the driver.


  6. Restart Your Computer:

    • After installation, it may be necessary to restart your computer for the changes to take effect.

For any detailed instructions or if you encounter issues, you can refer to the HP support User manual  documentation 


Need help or have any questions? Start a new discussion here and get the answers you need.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.