Acer extensa 4420

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Supper thundq - Jul 2, 2010 at 09:51 PM
 Warlock888 - Jan 21, 2012 at 09:31 AM
Hello I've been having problems with my laptop as well but my laptop dosent even power up or boot mine turns on then right back on I know it ain't the charger or the baterry because it still charges but I just needed help if anybody knew how to fix this STUPID problem thank u

3 replies

Your Bios stttings are corrupted, you need to reflash the bios,,,,Download the new Bios fron the manufacturer and follow the instructions, they have to be downloaded, then burned to a cd as image, then disconnect the battery and power, insert the cd then push the Fn and ESC buttoms at the same time keep pressed all time then plug the power adaptor, the battery is not in the pc, make sure the batt is disconnected, then power the pc, the pc turn on but no display,, then release the buttons, leave the power connected, the pc in 2 or 3 minutes turn off, then back onin 5 or 6 minutes full functional, hope this work, good luck.. send email if you need a lil help in this matter.
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Blocked Profile
Jul 5, 2010 at 06:17 AM
Dear SIr,

Please consider checking whether the problem is not coming from loose battery or its power supplying unit.

Thank you.
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troubled in nigeria
Jul 15, 2010 at 02:35 AM
i have the same problem, the chargin light comes on but i cant turn on my system!!
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marvinryan_star y.c.ph
Aug 18, 2010 at 12:29 AM
take an eraser and try to clean the memory card with it..it really works.
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change the CMOS battery. Usually battery code/model is 2032 only same with the usual PC Board.
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