kakoi notebook vibrat, pomogite

Asus N53SM
Intel® Core™ i7-2670QM Processor (6M Cache,
2.20 GHz) / 15.6 LED / 4GB DDR3 1333 RAM /
500GB HDD 7200 RPM / GeForce GT 630M 2GB /
WiFi 802.11b/g/n / Bluetooth / HDMI / USB 3.0
/ DVD RW SM / Bang & Olufsen audio + EN/RU

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Dell XPS L502x 15.6"/Intel Core i7 2670QM Quad-Core,2.2GHz/8GB/500GB/NVIDIA GeForce GT 540M/be OS/En

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Lenovo IdeaPad Y570 15.6"/Intel Core i7-2670QM,2.2 GHz/4GB/750GB/NVIDIA GeForce GT 555M/be OS/En+Ru