How to Update the Ethernet Controller Driver for a Compaq Presario C700

Written by jason artman
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How to Update the Ethernet Controller Driver for a Compaq Presario C700
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Keeping hardware device drivers updated is an important maintenance aspect of owning a computer. Device drivers--the software programs Windows uses to control the hardware in a computer--are frequently updated by computer manufacturers to introduce new features or resolve problems found after the hardware is released. If you need to update or download the device driver for the Ethernet adaptor in your Compaq Presario C700 laptop, you can find the driver at the official HP support website.

Skill level:


  1. 1

    Open the Web browser and navigate to the HP support website. Type "C700" in the search box appearing at the top of the page, and press "Enter."

  2. 2

    Expand the "Laptops/Tablets/Netbooks" category, and click the link with the full model number of your C700 laptop. If you do not know the full model number, choose "C700 CTO." The "CTO" stands for "configured to order," and is most likely the correct model number if you ordered your Presario C700 online.

  3. 3

    Click "Software & Driver Downloads" after reaching the screen that shows a picture of the Presario C700.

  4. 4

    Click the pull-down menu under "Select your operating system," and select "Microsoft Windows Vista" or "Microsoft Windows Vista (64-bit)."

  5. 5

    Click the plus sign next to "Driver--Network" to expand the category, and then click "Download" next to "Realtek RTL8139/810x Family Fast Ethernet NIC Driver." A file download window appears. Browse to the desktop and click "Save."

  6. 6

    Double-click "sp37986.exe" on the desktop to install the Ethernet driver for the Compaq Presario C700.

Tips and warnings

  • If you need to update the Compaq Presario C700 Ethernet driver because you are unable to get online with the computer after reinstalling Windows, download the driver on a computer that can get online and transfer it to the Presario C700 using a removable storage device, such as a USB flash drive.

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