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  • Posts: 16
  • Registered: ‎05-15-2016
  • Location: US
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x1 carbon gen 4 screens and warranty

2016-05-15, 8:47 AM



1) Does anybody knows, wich of these screens definitely not use PWM to control brightness?


00HN873 N AUO 14.0 FHD IPS AG
00HN874 N AUO 14.0 FHD IPS AG
00HN877 N LGD 14.0 WQHD IPS AG
00HN878 N Panasonic 14.0 WQHD IPS AG


i think the last one use pwm. Especially want to know if 00HN877 N LGD 14.0 WQHD IPS AG hase or not, and the other question, how can i ensure what screen in the notebook when buy it? can i understand it if i know part number?


or may be someone knows what model i will get if order through the lenovno site?


2) is the warranty worldwide? and if i extend warranty, it is also worldwide? same rules?



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  • Registered: ‎01-23-2020
  • Location: US
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  • Message 2 of 2

Re: x1 carbon gen 4 screens and warranty

2020-01-23, 5:49 AM

i think not only pwm technology,cause dizziness.

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