Re: Problems making bootable usb for Lenovo x260 bios update

On 5/26/26 6:22 AM, Tim wrote:
> On Mon, 2026-05-25 at 18:47 -0400, Robert Moskowitz via users wrote:
>> I Downloaded the "BIOS Update (Bootable CD) iso image (~22MB) and used
>> MediaWriter to burn it to a USB stick.
>>
>> The USB stick is not booting. (F12 at poweron to get boot device selection)
>>
>> I checked the SHA256 sum they provide and what I downloaded and they
>> matched.  GPARTed, though is not showing any recognized image, just that
>> the stick is an iso9660 file system.
>>
>> What do I have to do to get this bootable?
> You could "dd" it to the stick, some bootable things work better via
> another method.
Yeah, I could have tried that...

> Alternatively, try media writer again, and wait longer than you think
> you need to when it finishes before unplugging or rebooting.
I had tried that already, no dice.

>> Or do I indeed need to burn this to a CD (with my USB CD/DVD writer)
>> then try booting that?
> Sometimes that's the easiest solution.  Though, again, you can strike a
> problem that the ISO image's bootblock is not compatible with your
> system.  Which would be ironic, since the ISO is designed *for* your
> system.

I burned the CD with k3b and that worked to update the bios.

Interestingly, the dialog boxes specifically said to NOT remove the CD, 
not the image, the CD.

I ALWAYS shake a bit in my boots doing things like update BIOS on what 
looks like a working system.  I REALLY should have done this update 
while I still had the Win11 drive in.  Got to make notes of this with 
the NEXT laptop I buy!

Seller's recommendation to drain the battery first then recharge has 
resulted in a non-charging battery.  Even with this BIOS update. Time 
for a refund.


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