Hi,
When did this issue start occuring? If recently after installing certain software, system restore could be under consideration first.
If it is due to mis-press on the keyboard, I suggest contact Toshiba support for more accurate information.
Regards,
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”
