Thank you for your update Christopher.
I worked around the problem by draining the battery, as described in more than one post above. This was many months ago, and since then I've not had the problem again.
I won't be updating my BIOS any time soon.
Thank you for your update Christopher.
I worked around the problem by draining the battery, as described in more than one post above. This was many months ago, and since then I've not had the problem again.
I won't be updating my BIOS any time soon.