I guess that English is not your first language so I will ask you questions.
1. Have you just purchased this laptop? Is it New or Second-hand?
2. How much RAM is installed? 512Mb or 1Gb or 2Gb?
3. Have you installed the Operating System from a CD/DVD?
4. What Operating System have you installed? Vista or XP or W7?
5. Have you installed the Motherboard Drivers from a CD/DVD?
6. Is this the same as the laptop that you have got click here