ACPI HPQ0004 is a troublesome hardware device problem being experience by PC users like you. Canon Dr-c130l Driver. 2x2 Cll Algorithms Pdf Printer more. In this article, we will consider how to fix this unknown device trouble by automatic and manual option, and we will also briefly discuss the main functions of an ACPI HPQ0004 device. Automatic Option for Fixing ACPI HPQ0004 Unknown Device If you want to save time and energy in fixing device driver related troubles, such as ACPI HPQ0004 Unknown Device, then you can use a reliable and sophisticated Automatic Driver Update Tool such as Driver Detective. Driver Detective will automate the process of searching and downloading device drivers online. With the aid of Driver Detective, you won’t need to search for ACPI HPQ0004 drivers on the Internet, and read descriptions of each device drivers to make sure that you will download the correct drivers to fix your unknown ACPI HPQ0004 device trouble. It will be a great advantage for you, since one of the features of Driver Detective is to provide the important details of a hardware device such as the device type, official manufacturer of the unknown device, provider of the driver update, and version of the device driver.