It could be that the brightness is set too low, I think it's the f8 key that brightens the display :)
https://www.amazon.co.uk/Charger-Chromebook-ThinkPad-ADLX45ULCU2A-ADLX65YDC2A/dp/B09ND7XWSY/ref=mp_s_a_1_1_sspa?crid=W0EDAVDQO5J5&keywords=laptop+charger+type+c&qid=1700039655&sprefix=laptop+%2Caps%2C142&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRm&psc=1 would this be acceptable?
And does it have to ge 60 watt?
It could be that the brightness is set too low, I think it's the f8 key that brightens the display :)