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Small green circuit board with two USB ports and one audio jack

DELL

DELL Inspiron 3451 3452 USB Audio Port IO Circuit Board

SKU CH-JHR5-7TPT9

Replacement IO circuit board with two USB ports and an audio jack for Inspiron 3451 and 3452 laptops

  • Genuine Dell OEM part for reliable replacement
  • Fits Inspiron 14 3451 and 3452 models
  • Provides two USB ports and an audio port
  • Connects directly to the laptop motherboard
  • Exact match for Dell part number 2MV5N

Genuine Dell OEM IO Circuit Board

This is a genuine Dell OEM replacement IO circuit board for Inspiron 3451 and 3452 laptops. It houses two USB ports and an audio port that connect to the main motherboard. The part is new and matches the component shown in the supplier images. It restores front-panel connectivity when the original board fails.

Capacity and headroom: two USB ports

The board provides two USB ports and a single audio combination jack for headset or microphone use. It handles everyday peripherals such as mice, keyboards, flash drives and wired headsets. It does not add extra USB ports, video outputs or Ethernet connectivity beyond what the motherboard already supports. Bandwidth and power delivery are limited to the motherboard's internal header specification.

Practical limits of the internal connector interface

The circuit board connects to the motherboard via a proprietary internal header specific to the Inspiron 3451 and 3452 chassis. It cannot be used in other Dell models or third-party laptops because the pinout and physical mounting differ. Signal integrity and port enumeration depend entirely on the host motherboard's USB and audio controllers. No firmware updates or driver changes can expand the port count or alter the connector type.

Helstu kostir

  • Genuine Dell OEM part for reliable replacement
  • Fits Inspiron 14 3451 and 3452 models
  • Provides two USB ports and an audio port
  • Connects directly to the laptop motherboard
  • Exact match for Dell part number 2MV5N

Tæknilýsing

BrandDELL

Spurningar um þessa vöru

Will this IO board fit alongside the existing motherboard in my Inspiron 3451?

Yes, this genuine Dell OEM board is designed for Inspiron 3451 and 3452 models and connects directly to the motherboard in those laptops.

How can I verify the board is working after I install it?

After installation, check that both USB ports and the audio jack on the side of the laptop detect devices and play sound correctly.

Does the package include any cables or screws, or must I buy them separately?

You will receive exactly the IO circuit board shown in the product images; any additional cables or mounting screws are not included.

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