How does HP install software and gather data? Learn more about HP’s privacy policy. HP has scanned your product but currently has no suggestions for driver updates. This page requires Javascript. Thank you for your patience. Any warranty support needed would be completed by the reseller that sold the product.

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Please make a different selection, or visit the product homepage. Select all Deselect all. Choose ‘Refresh’ to update the list. Javascript is disabled in this browser.

Thus, the warranty has been removed from this product. We were unable to retrieve the list of drivers for your product.

Warranty withdrawn refurbished product: We were unable to find any drivers for your product. Would you like to view the product details page for the new product? This page requires Javascript. This product was designated to be returned to HP.

Compaq Presario CQAU Notebook PC – Driver Downloads | HP® Customer Support

Modify your browser’s pv to allow Javascript to execute. Please enter a Product Number to complete the request. This could take up to 3 minutes, depending on your computer and connection speed. This product cannot be identified by Serial Number alone. Product sold without warranty: Let HP identify any out-of-date or missing drivers and software. Already have an HP account? Select your operating system and version. Download list – Download compzq files at once View, edit and download your entire list of software and drivers here.


Thank you for your patience.

Javascript is disabled in this browser. Product sold by third party: Select your operating system and versionChange Detected operating system: Technical data is gathered for the products supported by this tool and is used to identify products, provide relevant solutions and automatically update this tool, to improve our products, solutions, services, and your experience as our customer.

This page requires Javascript. The serial number provided does not match the previously selected product.

Compaq Presario CQ40-621AU Notebook PC Product Specifications

Product has been exchanged: How does HP install software and gather data? Or, view all available drivers for your product below. Please return to the product information page and verify the numbers provided or try again later.

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This process can take several minutes depending on the number of warranties being checked.