I have an XPS13 9350 and on start up am informed that the AC power adapter is not recognized and the battery is not charging. I have the latest BIOS installed and conducted a diagnostic test after start. The error code generated is ePSA : Build 4304.07 UEFI ROM. Although this started one morning after switching the laptop on with no discernible damage to the AC adaptor or leads, I have replaced the AC adaptor but with no change in error message. Placing the cursor over the battery icon shows the battery neither charging nor reducing. Any more suggestions?
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