rohanrus
1 Copper

Dell Precision T5500 Bios Update failed A17 -> A18

After executing the bios update file, Windows 10 displays the following messages during the reboot:

1. Bios update failed!

2.Embedded Microcontroller Firmware Update Successful

3. Could not find the firmware image in memory.

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2 Replies

Re: Dell Precision T5500 Bios Update failed A17 -> A18

I have been having the EXACT SAME issue with no resolution yet. I am baffled. I can’t upgrade to A17 or A18. Did CMOS reset, removed alll peripherals . Have you had any success?
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krravi
1 Copper

Re: Dell Precision T5500 Bios Update failed A17 -> A18

I have the exact same issue.

I have replaced the CMOS battery.

Cleared the CMOS.

Removed PCI cards except video.

Still no Luck!

I am able to flash the BIOS all the way back to A12 and back to A16.

But after that, no luck.

I get a bad checksum error!

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