I have some old HP power supplies that won't fit in a new thin laptop. This adapter did the trick and was snug and secure (not too tight but didn't slip out like some 90 degree adapters I've tried too). these rocks.) When WFH did this in the 5 years before Covid-19, I liked to move around during meetings or in different rooms at different times of the day and didn't want to carry cables around and unplugging from the wall several times a day. Day. Luckily HP used the same I2C power chip as mine in the old PSU model (same problem when my company had Dell). If the old power supply doesn't put out the correct digital signal, your laptop will only work but not charge - through no fault of these converters, you can try to save money (and throw it in the landfill) instead of buying a new power supply.
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