BIOS - DELL Insprion 3135 EC SCH DA0ZM5MB8D0 Rev;2.1

Mar 4, 2025

DELL Insprion 3135 EC SCH DA0ZM5MB8D0 Rev;2.1
biosbin.zip
schematics

About this board

This thread is for the Dell Insprion 3135 EC SCH with main board DA0ZM5MB8D0.

Dell had this board built by Quanta; Quanta board numbers start with DA and include MB. Check the number printed on the PCB before you download. Board revision: 2.1. Match the revision as well as the board number.

What this thread covers

EC / KBC firmware, if the board uses a separate EC chip

Usually needed when the laptop powers on with a black screen after a BIOS update, is stuck in a boot loop, or is locked with a BIOS password.

Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine.

Have a tested file for DA0ZM5MB8D0? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.

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BIOS DELL Insprion 3135 EC SCH DA0ZM5MB8D0 Rev;2.1

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