Laptop power supplies can certainly be purchased separately. If you lost only a detachable cord it is an inexpensive replacement, but if you lost a cord including the pwoer adapter "brick" it is more expensive.
Computer power cables can be found at a number of computer stores locally or online at best buy , amazon , ebay , tiger direct , newegg they are pretty cheap also
First, check under Power Options to see if Power Saving Mode is selected. If it is selected, change the options (you can change to simply a regular power setup). Before you go buy a new computer, have a technician look it over.
Computer
Often recycling centers will pay you for various computer parts such as power supplies, motherboards and hard drives. If the hard drive is still functional, you could also add it to your new computer and have additional storage.
Normally factory refurbished power supplies meet the same requirments as new ones.
Now your asking an important question. Hmmmmm, let me think - ah yes. Now the thing is new graphics cards DO come with stock power supplies how ever it is evidently underlining the view point in which one sees thy progression. If you ask me I would buy a card from Tesco Express; they are the ones with the most utilised power supplies. Thanks for asking and I hope to speak to you in the near future.
buy a new computer
HP brand offer you a place where you can buy Directly online your printer supplies. They offer their original supplies, this is a advantage and protect your printer.
buy a new computer throw away the old computer
you buy a new computer.
Your computer is broken, buy a new one.
it is not out in stores but u can buy it on the computer