On Friday 17 June 2016 15:01:39 Gene Heskett wrote: > On Friday 17 June 2016 08:22:02 Cindy-Sue Causey wrote: > > On 6/17/16, Cindy-Sue Causey <butterflyby...@gmail.com> wrote: > > > On 6/17/16, Dan Purgert <d...@djph.net> wrote: > > >> Francesco Montanari wrote: > > >>> I recently installed Jessie on a Lenovo ThinkPad T420. The fan > > >>> usage looks > > >>> reasonable. However, high temperatures (96 C) are reached when > > >>> CPUs are running intensively for more than one minute or so. The > > >>> fan speed at those > > >>> temperatures is about 4500 rpm. > > >>> > > >>> Do you think it is ok, or do you suggest to force lower > > >>> temperatures, e.g.,with thinkfan [1]? > > >> > > >> Absolutely. 95C is pushing the thermal thresholds of CPU dies > > >> (IIRC, 100C is the burnout temp on most). Clean your heatsink too. > > > > > > Consider this an emergency situation that needs immediately > > > addressed. For example, if I personally didn't already have my brain > > > circuits mentally locked up on fighting setting up home wifi, I'd be > > > searching the Net for an external laptop fan, the USB kind that sits > > > under the laptop (oh, and a replacement dialup modem). In the > > > meantime, I currently have a desktop fan faced toward mine, and it's > > > definitely helping. > > > > I literally hate when this happens. A thought occurred as fast as that > > last email was sent. Low income types like myself don't always have > > enough pennies to rub together to even buy a cheap fan of any kind on > > demand. Doesn't mean we've completely run out of alternatives. The > > dogs busted my first laptop fan's USB connection couple years ago, but > > I still used the stand part of it successfully as a coolant aid for > > another year or so (until they broke that, too). > > > > ANYTHING that can *safely* get a laptop off the desktop surface helps > > even if no extra fan is available in an emergency. Give air every > > chance possible to circulate all around the machine. > > > > Mine's currently sitting on top of... knitting needles. They're placed > > so that they are not near the hottest parts of the laptop and so that > > they do not interfere with any other type of airflow, either. Just > > another #Life Lesson Learned the Hard Way due to losing couple > > machines over the years k/t the whole low income thing, > > yada-yada-grin... > > > > Cindy :) > > I would saw a couple of the old, small matching sized thread spools in > two, cutting so you have a long half and a short half. Put the short > ones under the front edge, and the long ones under the rear edge, > possibly securing them beside its existing feet with some fabric glue > I'd expect you have in the sewing kit. That would leave far more open > space for the heat to be carried away than the knitting needles would. > And that sort of glue would allow easy removal in the event you'd have to > open it and they are hiding an assembly screw.
Like it: :-)) But it requires equipment, like a hacksaw and vice to cut the spools smoothly and matching-ly, or your laptop would wobble. Not all of us have fully equipped workshops, Gene. ;-) But I love the idea! Really ingenious. Have you tried it?? Lisi
