Question about IBM ThinkPad R40 2722 Notebook
There are only two possibilities as there are only two device types inside your laptop that have moving parts; fan(s) and hard disk(s). The sound you described is usually a fan.
Normally, when a fan dies, it does so slowly and painfully over a period of time. It'll begin w/ the whirring - some times w/ the sound oscillating up in down - indicating the fan is unbalanced or for some other reason varying in RPMs.
When the noise stops - that's not necessarily a good sign. It could mean that the fan bearings have frozen completely and it is not spinning at all any more.
It is quite possible that there is more than one fan inside your laptop so, while one sounds as though it is working fine, another could be on its last legs.
This is one of those cases where a $10 or $20 part can kill a $900+ system. Computers' electronic components are extremely sensitive to heat. Keeping that heat at a minimum is particularly critical in laptops because of the closed space and limited room for air circulation.
I recommend you check IBM/Lenova's web site for a Service Manual on your laptop. Find out how to open it to get at the fan(s) and what is required to replace one. While you're at it, get a can of compressed air and blow out all the dust and dirt inside your laptop. Get a tin of sewing machine oil, too and place a drop into the bearings cylinder of any remaining fans (you may have to lift the fan label to do this.)
In the interim, you can purchase an laptop cooling device (or "pad"). This is a device w/ built-in fans that you sit your laptop on top of. Some of them will plug right into one or two of your USB ports to power the fans.
You can find some examples of them HERE on Newegg.com (a great resource for purchasing electronic devices online. Their prices are very competitive and their customer service is excellent).
If you need assistance finding your laptop's service manual, just let us know, we'll help you w/ that.
Please, let us know if this response was helpful for you or, of course, if you have more questions, etc. on this topic.
Posted on Apr 04, 2008
It's probably your Hard Drive (as you suspect) , as other than the fan(s) and optical drive(s) the only other moving part would be the Hard Drive. You may want to start backing up your data and shopping for a larger, faster HD, if it is failing. Due to the heat issues with laptops it's pretty common that Hard Drives lose their lubrication and begin wearing out their bushings/bearings (which would make noises). Just make sure you have eliminated the other possibilities. You can find software to monitor the temperature and speed of your hard drive to help isolate it as the problem also.
Posted on Apr 04, 2008
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Posted on Jan 02, 2017
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