My laptop has begun a fairly loud buzzing sound

That doesn't sound too healthy my friend, the laptop I use is a Fujitsu, I've had it just a year, I got it because my Mac's were always letting me down, now I prefer my laptop than my Mac, I did have a problem with the wireless, for some reason I couldn't use wireless only the ethernet cable, so I got the original discs that came with it, and started from scratch, effectively wiping everything off, and the wireless now works! They can be temperamental at times can't they.

Usually a laptop buzzing sound is bad, it may be that the cooling motor is working overtime. Older laptops don't last as long and since the price has gone down the quality has too. I would just make sure to back up all your files so you don't lose anything important. You might need to check your brick, it can lose power over time.

There are usually two alternatives. Either a piece of dust or something has got in and is touching the blades of the fan or the fan's bearings have gone. The first option can be cured by a good clean. With a laptop, this can involve some dismantling, a soft brush and a can of compressed air. It is possible to do it yourself if you feel competent at taking things apart and putting them back together again. Alternatively, you may want to take it to a repair shop. It is not a major job and should just cost you an hour's worth of time. If the fan itself is damaged or the bearings are going, you are probably best taking it to a repair shop anyway. A replacement fan is not very expensive and the technician should also clean the inside of the machine as well whilst he has it apart.

Hi maximax, i have noticed this problem too with my laptop but i am using an asus laptop. Every time the laptop is turned on for a few hours already, when the fan seemed "tired" it does make such a sound. You can have it checked if it persists, usually the fan are just dirty.

I know nothing about laptops, but if you suspect it is a problem with the fan I would turn it off and have someone look at it. Allowing it to overheat as the fan wasn't working properly would probably be an expensive mistake.

It would probably be best to let some tech expert look at your laptop and diagnose the problem. It could be parts overheating and the fan is just reacting to it. I have heard that some laptops often overheat after a long time of use. Sometimes, the battery might also suffer if too much overheating occurs. However, I am just giving suggestions since I cannot examine your laptop. Hope this helps.

Do not know about Toshiba, but maybe you should take it to a repair shop. It could be your power cord is incompatible or you need a new fan.

These things do happen to computing machines. I have seen this problem more often on my desktop. However, it seems that even laptops are not immune to such issues. So, has this problem been resolved?

there is a problem inside i think.it must be fan problem or it can be dirty inside, laptops can be dirty soon and its not easy to clean,you can use hair dryer for cleaning your laptop,or bring your laptop to the professional repair shop. because fan problem is very complicated problem,so its dificult fix it yourself. my wife had toshiba too and same problem appeared. we couldnt fix it and repairing was expensive,solution was buying a new one. so before getting late just ask it or show it to pros. happy mylotting