If it doesn’t do the trick, please say so in the comments. This should fix it, especially if the problem has just started recently. If this solution doesn’t work, try increasing this and doing it again. If you are not sure, leave this as “the past hour” for now.
I have to type in if I want to to search for something, not that that's hard work, but it isn't as convenient. The following four items should not have a checkmark in them (unless you want to clear this information too):
Under “Privacy”, click on “Clear browsing data…”.
