I recently had a Toshiba L645 come in for a power jack
replacement and a fan cleaning. The
power jack comes as a cable assembly that has to be ordered to fit the
laptop. There are some tricks to getting
it apart. There are screws in the
battery compartment holding the trim that covers the screws that holds in the
keyboard. There is a screw inside of the
memory compartment that holds the CD ROM drive in, and once it is removed there
is a screw located above where the drive was.
1 – Remove the 12 bottom screws.
2 – Remove the 2 screws for the hard drive drawer, and
remove hard drive.
3 – Remove the battery and remove 5 screws located below the
battery.
The two smaller screws hold the
keyboard bezel cover in place.
4 – Remove three keyboard bezel, the screws above the
keyboard, and the keyboard.
5 – Remove the seven screws under the keyboard, the right
two are shorter.
6 – Remove the 3 screws and the memory cover, inside there
is the CD ROM screw.
7 – Remove the CD-ROM drive and the screw hidden above it.
8 – Unscrew and/or unplug the wireless network card.
9 – Unplug the mouse, speakers and power switch, remove the
top cover of the laptop.
10 – Un-tape and unplug the video cable, and the USB/VGA
jack cable.
11 – Remove three motherboard screws marked with white
arrows, and one fan screw.
12 – Remove motherboard with the fan assembly.
13 – Remove 4 super tiny screws and remove the fan cover to
clean the fan.
As you can see in the picture the fan was fairly clogged
with dust. A small paint brush can
remove the dust. The picture quality is
not that great, I was using my cell phone camera.
When I reassembled it the screen did not work. The screen plug looked like it was plugged in
but it was not inserted properly. You
might want to mark the tape that holds it in with a marker prior to unplugging
it so you know if you have it back together correctly.
This picture shows the 5 screws that are located below the battery. Two of them hold the cover that gives access to the keyboard screws.
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