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LENOVO DRIVER ARCHIVE

Lenovo IDEAPAD U400 Drivers Download

Archived packages and model information. Confirm the exact device and operating system before installing.

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This historical archive may be incomplete. Release dates refer to the packages, and do not mean a driver is current. Use Lenovo Support to check compatibility and current availability.

Drivers for IDEAPAD-U400

Driver information from Lenovo sources. Check your exact model, machine type, operating system and version before installing. Downloads link directly to Lenovo.

Audio (2)

  • Conexant Audio Driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    Audio:8.54.42.0/SRS:1.11.6700
    Released
    2012-09-06
    Size
    84.8 MB
    Importance
    Optional
    Download from Lenovo

  • Conexant Audio Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    8.54.19.0
    Released
    2011-11-23
    Size
    72.4 MB
    Importance
    Recommended
    Download from Lenovo
Camera and Card Reader (2)

  • Camera Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    2.18.23.104/5.8.56001.0/2.18.23.104
    Released
    2011-08-24
    Size
    13.9 MB
    Importance
    Recommended
    Download from Lenovo

  • Camera Driver (Bison, Chicony)

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    2.22.23.3/6.0.1304.0
    Released
    2012-12-12
    Size
    9.04 MB
    Importance
    Optional
    Download from Lenovo
Diagnostic (2)

  • Lenovo Diagnostics for Windows 64-bit

    Operating system
    Windows 10 (64-bit), Windows 11 (64-bit)
    Version
    4.41.0
    Released
    2021-10-14
    Size
    26.18 MB
    Importance
    Recommended
    Package details

    Lenovo Diagnostics for Windows 11 (64-bit), 10 (64-bit) - Desktops, Notebooks, Workstations

    Download from Lenovo

  • Lenovo Diagnostics User Guide

    Operating system
    Windows 10 (64-bit), Windows 11 (64-bit)
    Version
    4.41.0
    Released
    2021-10-14
    Size
    3.43 MB
    Importance
    Recommended
    Package details

    Lenovo Diagnostics for Windows 11 (64-bit), 10 (64-bit) - Desktops, Notebooks, Workstations

    Download from Lenovo
Graphics Processing Units (GPU) and Server-AI Accelerators (2)

  • AMD Graphics Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    8.851.0.0
    Released
    2011-11-27
    Size
    307 MB
    Importance
    Recommended
    Download from Lenovo

  • AMD Seymour Graphics Driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    9.0.0.0
    Released
    2012-12-12
    Size
    333 MB
    Importance
    Optional
    Download from Lenovo
Motherboard Devices (core chipset, onboard video, PCIe switches) (4)

  • Intel Chipset driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    9.2.0.1030
    Released
    2011-08-24
    Size
    2.36 MB
    Importance
    Recommended
    Download from Lenovo

  • Intel Chipsets driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    9.3.0.1021
    Released
    2012-09-06
    Size
    1.47 MB
    Importance
    Optional
    Download from Lenovo

  • Intel Management Engine Driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    8.1.0.1263
    Released
    2012-09-06
    Size
    45.1 MB
    Importance
    Optional
    Download from Lenovo

  • Intel Management Engine Interface Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    7.0.0.1144
    Released
    2011-08-24
    Size
    4.18 MB
    Importance
    Recommended
    Download from Lenovo
Mouse, Pen and Keyboard (2)

  • Touchpad Driver (Synaptics, Cypress)

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    16.2.10.13/2.3.7.104
    Released
    2012-12-12
    Size
    125 MB
    Importance
    Optional
    Download from Lenovo

  • TouchPad Driver (Synaptics, Cypress)

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    15.3.18.1/2.3.6.28
    Released
    2012-02-08
    Size
    94.9 MB
    Importance
    Recommended
    Download from Lenovo
Networking: LAN (Ethernet) (2)

  • Intel Ethernet Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    11.12.36.0
    Released
    2011-08-24
    Size
    103 MB
    Importance
    Recommended
    Download from Lenovo

  • Intel LAN Driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    Control pannel:17.2.153.0/Device manager:12.1.77.0
    Released
    2012-09-06
    Size
    76 MB
    Importance
    Optional
    Download from Lenovo
Networking: Wireless LAN (2)

  • Intel Wireless WiFi Link Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    14.2.0.10
    Released
    2011-11-27
    Size
    200 MB
    Importance
    Recommended
    Download from Lenovo

  • Wireless WiFi Link Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    9.2.0.105/5.100.82.15/14.2.0.10
    Released
    2011-11-23
    Size
    654 MB
    Importance
    Recommended
    Download from Lenovo
Operating System Installation and Update (2)

  • Hotfix for Microsoft Windows 7 (32-bit)

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    KB2482122
    Released
    2015-06-03
    Size
    1.39 MB
    Importance
    Recommended
    Download from Lenovo

  • Hotfix for Microsoft Windows 7 (64-bit)

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    KB2482122
    Released
    2015-06-03
    Size
    1.69 MB
    Importance
    Recommended
    Download from Lenovo
Power Management (2)

  • Lenovo Energy Management

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    8.0.2.20
    Released
    2012-09-06
    Size
    45.4 MB
    Importance
    Recommended
    Download from Lenovo

  • Lenovo Energy Management Diver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    6.0.2.5
    Released
    2011-11-06
    Size
    13.6 MB
    Importance
    Recommended
    Download from Lenovo
Recovery (2)

  • Lenovo Onekey Recovery for 32-bit Windows

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    7.0.0.2525
    Released
    2012-09-16
    Size
    278 MB
    Importance
    Recommended
    Download from Lenovo

  • Lenovo Onekey Recovery for 64-bit Windows

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    7.0.0.2525
    Released
    2012-09-16
    Size
    278 MB
    Importance
    Recommended
    Download from Lenovo
Software and Utilities (8)

  • CSUP

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    201109
    Released
    2011-11-06
    Size
    277 KB
    Importance
    Optional
    Download from Lenovo

  • Lenovo EE Boot Optimizer

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    0.0.1.9
    Released
    2011-11-06
    Size
    12.7 MB
    Importance
    Recommended
    Download from Lenovo

  • Lenovo Migration Assistant

    Operating system
    Windows 10 (32-bit), Windows 10 (64-bit), Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    2.1.4.6
    Released
    2020-11-24
    Size
    49.3 MB
    Importance
    Recommended
    Download from Lenovo

  • Lenovo System Interface Foundation

    Operating system
    Windows 10 (32-bit), Windows 10 (64-bit)
    Version
    1.1.19.8
    Released
    2021-03-12
    Size
    360.07 MB
    Importance
    Recommended
    Download from Lenovo

  • Service Modify For EE

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    1.0.0.2
    Released
    2011-11-06
    Size
    284 KB
    Importance
    Optional
    Download from Lenovo

  • Smart Display

    Operating system
    Windows 10 (32-bit), Windows 10 (64-bit)
    Version
    1.0.0.10
    Released
    2021-04-08
    Size
    126.44 MB
    Importance
    Recommended
    Download from Lenovo

  • User Guide Program

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    V1.0.0.6
    Released
    2011-11-06
    Size
    49.7 MB
    Importance
    Optional
    Download from Lenovo

  • YOUCAM

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    3.1.3728
    Released
    2011-11-06
    Size
    120 MB
    Importance
    Optional
    Download from Lenovo
Storage (2)

  • Intel AHCI driver

    Operating system
    Windows 8 (32-bit), Windows 8 (64-bit)
    Version
    11.5.4.1001
    Released
    2012-12-12
    Size
    10.9 MB
    Importance
    Optional
    Download from Lenovo

  • Intel AHCI driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    10.5.0.1026
    Released
    2011-08-24
    Size
    12.1 MB
    Importance
    Recommended
    Download from Lenovo
ThinkVantage Technology (1)

  • Lenovo System Update

    Operating system
    Windows 10 (32-bit), Windows 10 (64-bit), Windows 11 (32-bit), Windows 11 (64-bit), Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    5.07.0131
    Released
    2021-10-04
    Size
    7.92 MB
    Importance
    Recommended
    Package details

    Lenovo System Update for Windows 11, 10 & 7 (32-bit, 64-bit) - Desktop, Notebook, Workstation

    Download from Lenovo
USB Device, FireWire, IEEE 1394, Thunderbolt (1)

  • SATORI USB 3.0 Driver

    Operating system
    Windows 7 (32-bit), Windows 7 (64-bit)
    Version
    2.0.34.0
    Released
    2011-08-24
    Size
    8.59 MB
    Importance
    Recommended
    Download from Lenovo

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