Symptom:
The following is a summary of Lenovo's support for Windows 8.1 system, please refer to: Solution: Erazer, IdeaCentre, Lenovo series desktop Erazer series: Erazer D215, Erazer D230 , Erazer D305, Erazer D310, Erazer D315, Erazer T410, Erazer T430, Erazer X510, Erazer X700 IdeaCentre series: IdeaCentre K410, IdeaCentre K415, IdeaCentre K430, IdeaCentre K450, IdeaCentre Q190Lenovo series: Lenovo H415, Lenovo H425, Lenovo H430, Lenovo H435 , Lenovo H505, Lenovo H505s, Lenovo H515, Lenovo H515s, Lenovo H520, Lenovo H520g, Lenovo H520s, Lenovo H525s, Lenovo H530s, Lenovo H530s (Home Yue S530), Lenovo H535, Lenovo H535s (Home Yue S535), New Dream H515, New Dream H530, New Dream H535IdeaCentre, Lenovo Series All-in-One IdeaCentre Series: IdeaCentre A520, IdeaCentre A530, IdeaCentre A720, IdeaCentre A730, IdeaCentre B340 , IdeaCentre B345, IdeaCentre B350, IdeaCentre B355, Idea Centre B540, IdeaCentre B545, IdeaCentre B750, IdeaCentre Flex, IdeaCentre Horizon 27
Lenovo series: Lenovo C240, Lenovo C245, Lenovo C255, Lenovo C340, Lenovo C345, Lenovo C355, Lenovo C440, Lenovo C445, Lenovo C455, Lenovo C540 Ideapad Series notebook Flex series: Ideapad FLex14, Ideapad FLex15Ideapad P series: Ideapad P580, Ideapad P585Ideapad S series: Ideapad S206 (CPU is E450, E300, E1-1200, E2-1800, C60 models), Ideapad S210, Ideapad S210Touch, Ideapad S215, Ideapad S300, Ideapad S310, Ideapad S400, Ideapad S400Touch, Ideapad S400u, Ideapad S405, Ideapad S410, Ideapad S410p, Ideapad S410pTouch, Ideapad S415, Ideapad S415Touch, Ideapad S500, Ideapad S500touch, Ideapad S510p, Ideapad S510pTouchIdeapad U Series: Ideapad U310, Ideapad U310Touch, Ideapad U330p, Ideapad U330Touch, Ideapad U410, Ideapad U410Touch, Ideapad U430p, Ideapad U430Touch, Ideapad U510, Ideapad U530TouchIdeapad Y Series: Ideapad Y400, Ideapad Y410p, Ideapad Y480, Ideapad Y485, Ideapad Y500, Ideapad Y510p, Ideapad Y580Ideapad Yoga Series: Ideapad Yoga 11s, Ideapad Yoga11, Ideapad Yoga13Ideapad Z Series: Ideapad Z380, Ideapad Z480, Ideapad Z485, Ideapad Z580, Ideapad Z585IdeaTab K Series: IdeaTab K3011Erazer, Lenovo Series Notebook Erazer Series : Erazer N410, Erazer N480, Erazer N485, Erazer N580, Erazer N581, Erazer N585, Erazer N586, Erazer Z400, Erazer Z400Touch, Erazer Z410, Erazer Z500, Erazer Z500Touch, Erazer Z501, Erazer Z505, Erazer Z510, Erazer Z510Touch, Erazer Z710Lenovo G series: Lenovo G400, Lenovo G400s, Lenovo G400sTouch, Lenovo G405, Lenovo G405s, Lenovo G410, Lenovo G480IMR, Lenovo G480METAL, Lenovo G485, Lenovo G490, Lenovo G500, Lenovo G500s, Lenovo G500sTouch, Lenovo G505, Lenovo G505s, Lenovo G510, Lenovo G580IMR, Lenovo G580METAL, Lenovo G585, Lenovo G700, Lenovo G710 Yangtian and Zhaoyang series notebook Yangtian series notebook: Yangtian B475e, Yangtian B480, Yangtian B575e, Yangtian B580, Yangtian M49 0, Yangtian M490s, Yangtian M495, Yangtian V480, Yangtian V480C, Yangtian V480S, Yangtian V580, Yangtian V580C, Yangtian B4400, Yangtian B5400 (non-touch model), Yangtian B590, Yangtian M5400 (non-touch model), Yangtian V4400u, Yangtian M4450, Yangtian M4400, Yangtian V4400, Yangtian M4400s, Yangtian B4450S, Yangtian B490S, Yangtian B490, Yangtian B4400s Zhaoyang series notebook: Zhaoyang K2450, Zhaoyang K4450, Zhaoyang K49, Zhaoyang E4430, Zhaoyang E49, Zhaoyang K29, Zhaoyang K4350 Qitian and Yangtian series desktop, one machine Yangtian series: Yangtian A/M with A68 chipset /T/R/W, Yangtian A/M/T/R/W with B75 chipset, Yangtian S85x one machine, Yangtian S80x one machine, Yangtian S78x one machine, Yangtian S77x one machine, Yangtian S74x one machine, Yangtian S72x one machine, Yangtian S59x one machine, Yangtian S56x one machine, Yangtian S52x one machine, Yangtian S51x one machine, Yangtian S32x one machine, Yangtian S31x one machine, adopt H61 chipset Yangtian A/M/T/R/W, Yangtian A/M/T/R/W with H81 chipset, Yangtian A****q 1L with Q87 chipset, Q87 chipset Yang A/M/T/R/W, Yangtian A/M/T/R/W with Q75 chipset, Yangtian A****u 1L Qitian series with Q77 chipset: Q85 chipset Qitian M, Qitian M with Q75 chipset, Qitian M/B with A75 chipset, Qitian M/B with A68 chipset, Qitian M/B with H81 chipset, H61 chipset Qitian M/B, Qitian A7100 one machine, Qitian A3100 one machine ThinkPad series notebook ThinkPad W series: ThinkPad W530ThinkPad Edge series: ThinkPad Edge 130/135, ThinkPad Edge 330/335, ThinkPad Edge 430/435, ThinkPad Edge 445/545, ThinkPad Edge 530/535 ThinkPad Helix Series: ThinkPad Helix ThinkPad L Series: ThinkPad L330, ThinkPad L430, ThinkPad L530 ThinkPad S Series: ThinkPad S3-S431, ThinkPad S430, ThinkPad S5-S531 ThinkPad T Series: ThinkPad T430, ThinkPad T430s, ThinkPad T430u, ThinkPad T431s, ThinkPad T530 ThinkPad Tablet Series: ThinkPad Tablet2, ThinkPad Twist S230uThinkPad X Series: ThinkPad X1 Carbon, ThinkPad X131e, ThinkPad X230, ThinkPad x230s ThinkCentre M Series Desktop ThinkCentre M 8400t (Q77 platform), ThinkCentre M8400s (Q77 platform), ThinkCentre M6400t (Q75 platform), ThinkCentre M6400s (Q75 platform), ThinkCentre M4350t (H61 platform), ThinkCentre M4350s (H61 platform), ThinkCentre M4350q (H61 platform), ThinkCentre M4250s (H61 platform), ThinkCentre M4300t (H61 platform), ThinkCentre M8000t (Q77 platform), ThinkCentre M9201z (Q77 platform), ThinkCentre M7100z (H61 platform), ThinkCentre M7101z (H61 platform)