HP 14-ac100 Driver Download (Official)

HP Drivers

The 14-ac100 is a disk drive controller manufactured by HP. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This driver - "sp71811.exe" - has been downloaded 771 times and is rated 5 out of 5 stars based on 11 reviews. The uploader reports that this update will work successfully on PCs running Windows 11, Windows 10 and Windows 7. The total disk space used for this update is 33.6 MB.

11 Ratings

Supported Models

HP 14-ac100

HP ENVY 15-j106la

HP Pavilion x360-11-k005nx

HP Pavilion x360-11-k006nw

HP Pavilion x360-11-k007nf

HP Pavilion x360-11-k010nz

HP Pavilion x360-11-k032ng



Supported Operating Systems

Windows 11, Windows 10 (64 bit), Windows 7 (64 bit)

File Name

Versions (29-Jul-2015)

Additional Notes

DriveGuard Driver File

Uploaded By

siddhik (DG Staff Member) on 7-Sep-2015

How to Update HP 14-ac100 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the HP 14-ac100 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter HP 14-ac100 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the HP Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the HP website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with HP. All company names/logos are properties of their owners.
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