nitroshift Posted February 11, 2010 Share Posted February 11, 2010 I decided to post this here as it is OS independent. On to the problem:After installing any OS, touchpad and keyboard respond very, very slowly and most of the times they don't respond at all (can't move the cursor or type anything). The problem doesn't come up if I use USB mouse and keyboard or boot in Safe Mode. Right now I have installed Windows 7 Ultimate x86 during first trial 30 days (not willing to activate it then realise some hardware died), but the issue can be reproduced in any OS (tried XP Professional and Vista Business, both x86).Laptop specs:Intel Pentium M 1.73GHz1.5GB RAM100GB hard-diskIntel 915GM graphicsAny clue or idea is welcomed!nitropuppy Link to comment Share on other sites More sharing options...
Ponch Posted February 11, 2010 Share Posted February 11, 2010 Does it change anything if you lower "hardware acceleration" in Display Properties (Settings/Advanced/Troubleshoot) ? Link to comment Share on other sites More sharing options...
nitroshift Posted February 11, 2010 Author Share Posted February 11, 2010 Does it change anything if you lower "hardware acceleration" in Display Properties (Settings/Advanced/Troubleshoot) ?Nope. Link to comment Share on other sites More sharing options...
jaclaz Posted February 11, 2010 Share Posted February 11, 2010 After installing any OS ....Please define the "any" :any OSany MS OSand MS NT based OSSince #1 is unlikely to have happened, and probably also #2, I guess that the defintion is #3, in which case I would quickly try a Linux based LiveCD, just to make sure is somethng really "hardware dependant". jaclaz Link to comment Share on other sites More sharing options...
nitroshift Posted February 13, 2010 Author Share Posted February 13, 2010 Following MagicAndre1981's guide here, I traced it to high CPU utilisation by ACPI.sys (98 - 100%). Still out of ideas... Link to comment Share on other sites More sharing options...
puntoMX Posted February 13, 2010 Share Posted February 13, 2010 Remove the battery and see if the problem is still there. Could be that Windows 7 is detecting somehow the battery "wrong" (Note that ACER is messing up big time too when it comes to this). I have not seen this under Win7 but I have seen this under XP and Vista. Link to comment Share on other sites More sharing options...
nitroshift Posted February 13, 2010 Author Share Posted February 13, 2010 punto, that solved the issue. Thanks a bunch! Link to comment Share on other sites More sharing options...
puntoMX Posted February 13, 2010 Share Posted February 13, 2010 , you are welcome, but what are you going to do now? Working without the battery? Link to comment Share on other sites More sharing options...
nitroshift Posted February 14, 2010 Author Share Posted February 14, 2010 The laptop is for my wife's use at home, when she's too lazy to come out of bed... Mains wall socket is near the bed, so problem sorted Link to comment Share on other sites More sharing options...
jaclaz Posted February 14, 2010 Share Posted February 14, 2010 It seems like on some machines it is possible to disable ACPI.SYS:http://www.techtalkz.com/windows-xp/10281-...-cpu-usage.htmlOr maybe using a nonACPI HAL? A couple references to a similar issue with battery:http://www.techspot.com/vb/all/windows/t-3...tting-Down.htmlhttp://www.softwaretipsandtricks.com/forum...cess-print.htmljaclaz Link to comment Share on other sites More sharing options...
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