Use a double click to open ‘My Computer’. Its icon is right on the desktop screen. Once ‘My Computer’ is opened, right-click on the drive that has the operating system. Usually, this is the ‘C’ drive.
A long list of options will appear in front of you. Scroll down to select ‘Properties’. This will open a new small window with a few tabs right on the top.
Click the ‘Tools’ to get another window of different options. Push the ‘Check Now’ button that is right under the heading of Error Checking.
It is the time to click "Scan For and Attempt Recovery of Bad Sectors". Clicking on the check box will initiate the disk checking process. This process will fix the errors by locating the bad sectors, plus recover readable files.
You need to click ‘Yes’ to kick off the procedure. Once it is completed, restart your Toshiba laptop. The computer will not start as it normally does.
You will see a three-stage automatic error check, when the computer goes for booting. Let the checking go ahead. This may take several minutes, depending on the size of your hard drive.
All the disk errors will be fixed, when the check disk procedure completes. You will witness a list of errors found and fixed, before the laptop boots.
In case your face same issues even after the disk checking process, contact the Toshiba Support. You will find the support link in the ‘Resources’ page. There is a possibility that the damage on the laptop is above your expertise level.