Any changes you've made will automatically be saved. Click OK to close the Settings for Clearing History window.For more information about other settings, see Delete browsing, search and download history on Firefox.When the search results appears, click on the top result item. Insert the bootable drive to your computer, and enter BIOS to boot the computer from it. At Start, type recdisc.exe in the search field. Wipe a hard drive with the bootable drive. On the target disk, right-click a partition and select Delete Volume. Right-click the Windows icon and select Disk Management. Startup Repair wont reset your computer to its factory settings, but it can attempt to fix. Here is how to delete all partitions on your drive: Step 1. Put a check mark next to Cache and make sure other items you want to keep are not selected. These steps allow you to create the boot or startup disk (a recovery media) for Windows Vista that you can use in emergency cases. Startup Repair might also be installed on your hard disk.The Settings for Clearing History window will open. Select the check box for Clear history when Firefox closes.In the drop-down menu next to Firefox will, choose Use custom settings for history.Select the Privacy & Security panel and go to the History section.Click the menu button and select Settings. In the search box, type Disk Cleanup, and then, in the list of results, select Disk Cleanup. In the Menu bar at the top of the screen, click Firefox and select Preferences. Open Disk Cleanup by clicking the Start button.You can do this in the list of volumes on the top side of the Disk Management window. You can set Firefox to automatically clear the cache when Firefox closes: In the Disk Management window, locate the partition you want to remove and right-click on it (or press and hold it if you’re using a touchscreen). Next to Time range to clear, choose Everything from the drop-down menu, select Cache in the items list, make sure other items you want to keep are not selected and then click the OK button.Click History and select Clear Recent History….

Click the menu button to open the menu panel.Tip: Here's another way to clear the Firefox cache: So for today’s blog post, we will concentrate on 4 different reports: Top Queries by Average CPU Time.

How to clear start up disk