Lenovo Client

Lenovo Clients – Services Alert: X1 Carbon Gen7 & X1 Yoga Gen4 – battery indicator issue/hibernation

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   ALERT TYPE SERVICE SOLUTION

   HEADLINE X1 Carbon 7TH & x1 Yoga 4TH generation

   PROBLEM TYPE BATTERY ICON MAY DISAPPEAR

   Issue / Impact
Battery icon may disappear – X1 Carbon 7th and Yoga 4th

Symptoms
Customer may experience ThinkPad battery charge levels shown as invalid (255%) or not shown when using ThinkPad on battery charge or during battery charging. These symptoms may cause the ThinkPad to unexpectedly hybernate or shutdown when using the battery.

Applicable Brands
ThinkPad

Applicable Systems
ThinkPad X1 Carbon 7th Gen
ThinkPad X1 Yoga 4th Gen

Operating Systems
Windows 10

   Solution
Update ThinkPad to the latest BIOS – 1.31 or later. Most symptoms are reported to be resolved with recent BIOS improvements. BIOS link

If the customer has updated to latest BIOS and symptoms remain or return – servicer must replace the battery FRU. Servicer should check for damage of the battery connector on system board. Replace system board if connector is damaged.