Question about Fujitsu AMILO D-7820 Notebook
I should change a battery for BIOS but I cannot open a back panel on my Fujitsu SiemensAmilo D 7820... I removed all screws, battery, DVD drive, RAM, HDD, but there should be some "catch" I cannot find. Anybody knows??? Thanks!!!!
a faulty/ flat or removed CMOS battery
results in a warning that Time and Date have to be reset
and that default cmos settings for bios are in use
(i have the same labop an tried it out 5 min ago)
however not everything is lost: a bios password will not be removed
to remove the bios battery you have to tild back the display
all the way back until its horisontal
with a flatt screwdriver(vertical) inserted between the display an the cover of the hinge slightly push the screewdriver away from you (to release the plastic clamps from the backside of the hinge-cover)
do this on both sides
remove the hinge cover (be aware the power button cable is still connected to the cover and should not be forced)
now you can see 3 screws from the keybord , remove them and pry open the keybord beginning nearest to the display
(dont froce the flatt cable under the keybord)
now you see lots of aluminum plating.
you have to remove the one on the upper right side
and the one in the middle (pay attention not to lose any screws inside the labtop they probably short out something)
the cmos battery is wraped in blue rubblefoil and connected to
a smal connector
-be aware this is no trivial endevor.
-you have to be grounded at all times (electro static discharge up to 200kV is mighty destructive when it comes to computer organs)
-if your doing this the first time get somebody to assist you and -take pictures every step of the way so you can retrace you steps
-get a few smal containers for the different types of screws
-use tweezers and not magnets to retreave lost screws
-never ever use brute force, computer designers do not consider
structural integrity a hight priority
Posted on Jun 02, 2010
Testimonial: "Thanks a lot!!!!"
DO NOT ATTEMPT THIS PROCEDURE or at your peril, why do want to change this battery as it involves a complete strip down to the bare mobo, a job only to be undertaken by someone who knows how to do this!!!
A faulty / flat CMOS battery is indicated with NO startup at all
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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