Silicon Chip – April 2019

(Ben Green) #1

54 Silicon chip Australia’s electronics magazine siliconchip.com.au


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backup system installed and set up,
but after the first initial backups done
many months ago, she just never got
around to running it again.
Given that people’s data can change
radically within days, a regular backup
is never a waste of time. While a lot
of today’s technology users rely on the
“cloud” retaining backups of all their
data, many have no idea where that
data actually is or even how to go about
retrieving it should disaster strike.
They’ve either been told that once
they set up their phone or computer
that all their data will automatically
be backed up to a cloud account, or
they’ve misunderstood what backing
up to the cloud really entails.
Easily-overlooked details such as
needing to have an active iCloud,
OneDrive, Google Drive or similar ac-
count in place and the fact there is of-
ten a need to actively manage the files
that are supposed to be backed up to
remote locations leaves users vulner-
able to data loss.
It is also worth remembering that in
the past, services such as Google, Ama-
zon and Yahoo have lost vast swathes
of users’ data with no recovery or com-
pensation. Users with years of email
history, documents, photos and other
irreplaceable files had to write it all off
and start over from scratch.
That’s a tough pill for anyone to
swallow, yet these sites offer precious
little information on how to go about
backing up that cloud data, requiring
end users to deal with it instead.
Editor’s note: if you use Google ser-
vices and are concerned about this,
check out http://takeout.google.com
which allows you to download most
of your data hosted by Google, easily.
I’m not saying don’t use such servic-
es – I make good use of the OneDrive
system that comes with later versions
of Windows. I’m just saying that these
companies typically encourage end-
users to forgo local data storage and
hard-copies in favour of using their
all-singing/all-dancing online servic-
es. Many users aren’t even aware that
these services can fail, so it is essen-


tial that backups are made and kept
up-to-date.
If that isn’t bad enough, many new
customers of mine are horrified to dis-
cover they are not backing up what
they thought they were backing up.
I’ve seen plenty of external drive ‘back-
ups’ with only desktop icons, empty
folders or thumbnail files instead of
original photos copied over.
I try to remedy these situations by
installing and setting up a backup pro-
gram that takes just three mouse-clicks
to get up and running.
However, while it can be scheduled
to run automatically, there is usually
still some manual input required, such
as plugging in an external hard drive
or flash drive on which to copy the
backed-up data, and people being peo-
ple, this is the point we usually forget
or simply flag it, convincing ourselves
it’ll be OK for one more day.
If only I had a dollar for every time
I heard that mentioned after a hard
disk failure!

We now resume our regular
service(man)
Back to the bulging laptop. I removed
the screws holding the keyboard in
place (typically hidden under panels
around the back of the machine) and
carefully released the retaining clips to
prise the keyboard out. Surprisingly, no
keys had broken or popped off, some-

thing that often happens when a heavy
object is dropped on a laptop keyboard.
Repairing those little cantilever
plastic ‘springs’ under the keys is
a royal pain, so thank goodness for
small mercies.
Underneath, I could see areas of the
motherboard and the usual peripher-
al-connecting ribbons poking through
open sections in the top frame. I could
also see where the cup had impacted;
there was a nice dent in the thin metal
chassis. Beside that was a multi-pin
plug that had popped off its socket;
the plug’s leads disappeared off to
the screen, so this explained the lack
of video. It also explained the key-
board hump.
This could be an easier fix than I
thought; all I had to do was panel-
beat the bent section of the case back
into its original shape, plug that big
connector back in and it should work.
But you know it’s never going to
be that easy! When I tried to replace
the popped plug, it wouldn’t re-seat,
and on closer inspection, I could see
that the socket mounted on the moth-
erboard was cracked right through,
making each end kinked slightly off-
line and preventing the plug from go-
ing in. Excellent! Of all the places on
this motherboard, the cup had to fall
onto this point.
Before going any further, I had to
remove everything from the case so
that I could straighten the bent chas-
sis properly, and that entailed taking
out the motherboard assembly.
There was nothing special to it, just
a lot of screwdriver time making sure
all the screws were removed (even
the one hidden under the hard disk
and the three tiny ones along the edge
hidden by the CD-ROM drive) before
separating the clips holding the two
halves of the case. I soon had the case
bent back into shape, but I was more
concerned about this 40-odd pin mi-
cro-socket with the crack in it.

Getting to the root cause
The connector is similar to a PCB
stacking connector, and a quick browse
on the usual-suspects component sites
revealed that they are available for
only about five bucks.
The problem is that while I could
probably fluff about and fluke solder-
ing one of these things on, getting the
old one off without a lot of collateral
damage would be a real mission.
I know this because I have attempted
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