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I tried updating the BIOS on my Inspiron 1100, 5100, or 5150, and I got an error stating “You are running on an unsupported machine”, what is wrong and how do I fix it?

April 26, 2017BIOS Error GOT inspiron stating updating

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I tried updating the BIOS on my Inspiron 1100, 5100, or 5150, and I got an error stating “You are running on an unsupported machine”, what is wrong and how do I fix it?

1 Answer

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The BIOS on these systems underwent a major reworking. Dell changed the BIOS of these systems from a Phoenix BIOS to a Dell BIOS. If your system’s current BIOS revision is less than A22, follow these instructions: If you have an Inspiron 1100 or 5100: update to A22 first and then to the higher revision. If you have an Inspiron 5150: update to A23 first and then to the higher revision.