The first thing you need to find out about your computer is the wattage limits on your power supply. Too little wattage and you’ll have problems powering each of the components. In that case, your motherboard won’t be able to distribute power to essential components. Critical components such as your hard drive may be damaged by the inability to spin at the RPM it was designed to. RAM may be corrupted by a lack of power as well.
On the opposite end, a laptop power supply that’s too powerful can fry the internals of your computer! It’d be like hooking up an electric razor straight to the transformer outside your house; it probably wouldn’t work so well!
Laptop power supplies are generally in the lower-wattage range, mostly 70W to 90W. The electronic components found in laptops are generally much smaller and less powerful than what you’d find in desktops (those power supplies can be found in wattages of over 300 watts!). Your user’s manual should have the exact specifications you need as far as wattage is concerned.
Now, if you’re not exactly sure the type of connection your laptop requires, you can get a universal laptop power supply. These generally come with a large array of connectors that can be used to plug into the side of your computer; if one doesn’t work, just try the next one. These are almost always the best buys. Throughout its life span you may own many different brands of computers, and you’ll only have to buy one of these to do the job.
So there you have it: A brief but fairly comprehensive review of many of the ways a laptop power supply can make your computing life easier!
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