I brought my laptop from USA to japan but now it show a funny line, how can I convert it to japanese alphabet? -

I brought my laptop from USA to japan but now it shows most of the sites with a funny small horizonatal but most vertical plain lines, how can I convert it to japanese alphabet ?

If you are using Microsoft Internet Explorer, *Alt key* gt; view gt; encoding gt; moregt; quot;Japanese (Shift-JIS)quot;