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Re: touchpad on my 8200 insprion stop working
Try to test it using 32 bit diagnostic
tap F12 (just after Dell Splash Screen) select Diagnostic partition wait for test to finish select Custom test (may need to use TAB and ENTER) select pointing device
if it work here, it is likely a driver issues - got to support.dell.com and download latest pointer drivers (Alps under Input Devices?) You may as well do this first since it is easier than testing see http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=22&l=en&s=dfh&os=WW1&osl=en&catid=&impid=&SystemID=INS_PNT_P4_8200
If it does not work her, you'll need to pop it open and see if cables are tight, if they are the touchpad is broken and you'll need a replacement palmrest (included the palmrest)
see the manual at support.dell.com for info on disassembling your model if required.
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> you just have to reinstall driver for your touchpad but if after doing that and still not working then touchpad might be busted
> sometimes a certain software might be causing the touchpad to not work and restoring computer to factory default might resolve the issue but this will cause your files so do a back-up first
> to get the driver for your touchpad please refer to your manufacturer or to the website of acer
you would be better off using an optical mouse that has a usb or ps2 connector ( depending on what your laptop supports ) usb would be better though less chance of pins bending as there are none on a usb connection ( at least not like a ps2 connector )
Also download the latest drivers for the touchpad and make sure that the scrolling options for or on the touchpad are not configured too thickly which will be in the touch pad settings.
Just above my keyboard there is a little black strip with little lights. they are control buttons and if you tap one of them it turns the touchpad off and on (so it's very easy to do accidentally).
If you look really closely at the strip in good light (or restart the laptop to see them flash on and off) you'll see that one looks like a touchpad crossed out. Just press this to get your touchpad back.
If it doesnt solve the problem, I have noticed that the touchpad can be knocked out by a Window Update of something called ideacom. If you believe this could be the problem please clarify.
add an external mouse/keyboard to fix the onboard fault.
check the device manager for any yellow exclamation marks. as there may be a faulty or corrupt. keyboard/mouse touchpad driver.
other option, is to add remove touchpad drivers, and re-install.
finally, you could check if the settings are correct in the bios.