I have seen this problem before. What kind of graphics does your laptop have and how much ram does it have?
If you do not know where to locate of where to find this information please reply below with what OS you are using.
(In case if you don't know what an OS is, here is are a few examples: Windows XP 32-Bit/64-Bit, Windows Vista 32-Bit/64-Bit, Windows 7 32-Bit/64-Bit, Linux, Mac.. )