Usually, okay lang naman gumamit ng charger ng ibang laptop assuming na compatible yun input nila.
BUT kailangan enough yun power na sinu-supply ng power brick. Usually rated in wattage.
If less than what your laptop needs, mejo madaming implications. Pwedeng mag-overheat ang charging components at ma-fry mga input ports at madami pang iba.
In short, kung stop-gap or temporary solution, pwede lang naman siguro. otherwise, bili ka na lang ng OEM charger ng laptop mo, or at least yun kaya ang wattage ng laptop to avoid complications. Marami naman universal e. Wag ka lang mag-underpowered.