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In-Build CX11256 modem #2 Driver

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Network Microsoft Windows 10, 8.1, 7, Vista, XP
This driver download is available for Windows PCs.
At a Glance
DeviceIn-Build CX11256 modem #2
VendorMicrosoft
Supported OSWindows 10, 8.1, 7, Vista, XP
SafetyScanned, malware-free
LicenseFree
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On This Page

The In-Build CX11256 modem #2 driver helps Windows recognize the modem and communicate with it for dial-up connections over a compatible telephone line. Listed under Microsoft in the Network category, this driver is intended for users restoring an older computer, reinstalling Windows, or troubleshooting a missing or unrecognized modem.

Key Features

  • Modem recognition: Allows Windows to identify the device and make it available to compatible connection software.
  • Dial-up connectivity: Supports communication between the operating system and modem hardware when setting up a telephone-line internet connection.
  • Legacy Windows support: Listed operating systems include Windows 10, 8.1, 7, Vista, and XP; confirm that the individual package matches your Windows edition and architecture.
  • Driver maintenance: Provides a way to replace a missing driver or update an existing installation when a compatible package is available.

How to Install In-Build CX11256 modem #2 Driver

  1. Identify your device and system. Open Device Manager and locate the modem, which may appear under Modems or Other devices. Check its hardware IDs in Properties, then confirm your Windows version and whether it is 32-bit or 64-bit.
  2. Check package compatibility. Before choosing an In-Build CX11256 modem #2 driver download for Windows, compare the package’s supported hardware and operating systems with your computer. For Windows 10/11 systems, note that Windows 10 is listed as supported, but Windows 11 compatibility is not confirmed.
  3. Download from a trusted source. Choose a compatible package rather than relying only on a “latest version” label. If offered as a free download, verify the source and avoid unrelated installers or utilities.
  4. Install the driver. Extract the files if necessary. Run the included setup program, or right-click the modem in Device Manager, select the driver update option, and browse to the extracted folder.
  5. Restart and test. Restart if prompted, then check Device Manager for warning symbols. Test the modem using your connection software and a working telephone line; dial-up access also requires an appropriate service account.

Keep the driver updated when a verified, compatible release addresses a problem or improves reliability. If the modem already works correctly, review compatibility details before making changes, and retain the previous driver so you can roll back an unsuccessful update.

Driver Details

DeviceIn-Build CX11256 modem #2
VendorMicrosoft
CategoryNetwork
Supported OSWindows 10, 8.1, 7, Vista, XP
PublishedOctober 31, 2026
UpdatedNovember 1, 2026
This driver download is available for Windows PCs.

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