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The buzzing/grinding noise is probably a bad connection if you are using earphones. Put a couple of drops of rubbing alcohol on some toilet paper and clean the prong for your earphones. Wait a minute and reinsert the plug into the jack. As for the freezing up of the video, you might want to download and install your video drivers for your emachine. Go to the manufacturer's web page to find the right ones. Don't forget to reboot after installations.
If you don't have computer experience then I seriously recommend you take it to a professional shop to have the work carried out.
If you DO have experience with computer hardware then I'd look for a disassembly manual for another laptop and work from there. All laptops are basically the same inside. The fun/tricky part is getting "inside" them. If you intend to replace the CPU then prepare yourself with new thermal compound, also get yourself high quality compound like Artic silver. You also need the cleaning fluids to properly prepare the processor and heatsink combo. You can't just use what is already there as it will not do an efficient job There is really good tutorials on the web for applying the thermal compound. It's also really easy to identify the CPU once you have access to the inside of your laptop. It's the thing that is attached to the heatsink.
YOu didn't post the model number but you can order a new fan from the Toshiba website or possibly find one on Ebay and open the computer up and replace the non working fan. If you try running the laptop with out that fan it will over heat and you will burn your CPU out.
I suggest you to contact the Logitech support for a replacement this is an hardware failure and it's covered by
If you are not under warranty you still can contact them as I know for instance in Europe they can offer you some
good deal on nowadays products for out of warranty people.
Thanks and have a nice day !
The problem may be a bent fan blade. It can be hard to see, so look carefully. On my Belkin, something got through the fan grill and bent one blade just enough to stop the fan. By removing the bad blade it continued to run fine.
Hi rebecca_fran, Well the system is shutting down for a reason but before you run off & buy a new CPU fan I want you to try something. Unplug the power cord from the PC. Open your case & ground your self by simply touching any bare metal. (The bottom of the case will do). Please remove the memory currently in your system. If you have never done this before please check within the manual for your eMachine. (There should be a section on how to install memory). You can also click on this uTube link, it’s a bit long but you can skip through the video. http://www.youtube.com/watch?v=SsXNT6fnHmM&feature=related If you have some canned air blow out the memory slots. (Do not place your fingers on the memory contacts at any time). Re-seat the memory, firmly but gently. Leave the case opened & plug in the power cord. Turn on the PC. See if the fan runs & the system doe’s not shut down. If it still does replace the CPU fan. Your PC uses an AMD Athlon 64 X2 4400+ / 2.3 GHz CPU. Here is a replacement AMD CPU fan & assembly. http://www.endpcnoise.com/cgi-bin/e/std/sku=dual_core_cpu_fan.html The CPU will come with thermal tap on its underside. (No need to buy thermal grease). (Make sure you remove the old thermal grease from the top of the CPU). Use a clean rag with a little alcohol on it. (Not dripping). Allow time for drying. Do not scratch the CPU surface.
It depends on what burned out. If its the power supply, then no problem, you can get an after market replacement reasonably priced. A plug-in video card is easily replaced as well. If its on the motherboard, it would depend on the part. Unfortunately when something on the motherboard overheats, there's no guaranty that you won't have problems with the operating system freezing-up on you a lot. Usable, but very annoying.
Of course you'll have to look things over closely to find what part. If the fan on the power supply doesn't come on at all, it's a good possibility its bad.