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Default Asus notebook wont boot up.

Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.
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Default Asus notebook wont boot up.

ss wrote:

wont boot up so I reckon something internal


any signs of life at all? e.g
flicker from any LED
backlight turns on even with no text on display
any twitch from fans
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Default Asus notebook wont boot up.

On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.


Are you able to enter the bios when it starts up?
You may be able to checks the volts on the plug that goes into the laptop.


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On 06/08/2020 17:06, Michael Chare wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up
so I reckon something internal. Are there any relatively easy things
to check before I bin it.
I have a multi meter but have little knowledge of it other than
checking mains voltage.


Are you able to enter the bios when it starts up?
You may be able to checks the volts on the plug that goes into the laptop.


It doesnt start up 100% dead no whirs/pings...nothing.

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On 06/08/2020 16:34, Andy Burns wrote:
ss wrote:

wont boot up so I reckon something internal


any signs of life at all?Â* e.g
flicker from any LED
backlight turns on even with no text on display
any twitch from fans

any beeps?


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On 06/08/2020 18:15, ss wrote:
On 06/08/2020 17:06, Michael Chare wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up
so I reckon something internal. Are there any relatively easy things
to check before I bin it.
I have a multi meter but have little knowledge of it other than
checking mains voltage.


Are you able to enter the bios when it starts up?
You may be able to checks the volts on the plug that goes into the
laptop.


It doesnt start up 100% dead no whirs/pings...nothing.

ok chances are its really simple like a broken wire

You have little to lose by opening it up

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Default Asus notebook wont boot up.

On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.



Does it beep at all while attempting to boot up?

If so google
bios boot beep codes
for your computer

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Default Asus notebook wont boot up.

On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.

Is it actually charging? There should be an LED that lights up to show
its charging.
Broken charger sockets are common. Look on Ebay for the model number of
the laptop.
Some are a socket on a wiring loom and can be changed without soldering.
Google how to dismantle the laptop. Some are easy some are a right
fiddle (1)
If the charger socket is soldered onto the motherboard you'll need to
find a repair shop unless you are really good at soldering a surface
mount circuit board.(2)

(1) as in lots of tiny M2 screws. :-)
(2) as in nearly impossible without a microscope, 20:20 vision and lots
and lots and lots of practice. :-)

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Default Asus notebook wont boot up.

On 06/08/2020 18:37, alan_m wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up
so I reckon something internal. Are there any relatively easy things
to check before I bin it.
I have a multi meter but have little knowledge of it other than
checking mains voltage.



Does it beep at all while attempting to boot up?


Nope nothing.
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On 06/08/2020 18:39, Kellerman wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up
so I reckon something internal. Are there any relatively easy things
to check before I bin it.
I have a multi meter but have little knowledge of it other than
checking mains voltage.

Is it actually charging? There should be an LED that lights up to show
its charging.

.............................

Its not charging, nothing lights up.
I last used merely to charge it about 6 weeks ago, then, the other day
was going to charge it just to keep it topped up and ..zilch...totally
dead. So bought a new charger and battery but still dead.

If I bin it I can sell the new battery and charger on ebay, but will
open it up first as nothing to lose.



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Default Asus notebook wont boot up.

ss wrote

Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.


You can get a failure of the connector where the charger plugs in
so that the connector isnt electrically connected to the pcb anymore.

I have a multi meter but have little knowledge of it other than checking
mains voltage.

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Default Asus notebook wont boot up.

On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.



First thing I would suggest is to disconnect from power and remove the
battery. Leave it like that for half an hour, and then try again.

If still no life, push and hold the power button, and count to 10
slowly. Release, wait a few secs and push and release it.

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Default Asus notebook wont boot up.

OK has it ever worked or is it something you picked up second hand?
As there is no sign of life it could be that something in the power supply
internally has died. This could be almost anything so you might need to talk
to a users forum, as different models tend to have stock faults, ie the weak
links. If you are lucky it might be fixable but unless you know the history
of the machine, it could just be a bolted together bunch of non working
bits that you cannot fix.
Brian

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"ss" wrote in message
...
On 06/08/2020 17:06, Michael Chare wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.


Are you able to enter the bios when it starts up?
You may be able to checks the volts on the plug that goes into the
laptop.


It doesnt start up 100% dead no whirs/pings...nothing.



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On 07/08/2020 07:29, Brian Gaff (Sofa) wrote:
Presumably then its not even charging its battery. Why did you buy a
battery?


In the 9 years I have owned it it has had 2 new chargers and 2 new
batteries. So assumed it was one or the other, I dont know anything
about electronics so not in a position to test anything.

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On 06/08/2020 22:37, John Rumm wrote:

First thing I would suggest is to disconnect from power and remove the
battery. Leave it like that for half an hour, and then try again.

If still no life, push and hold the power button, and count to 10
slowly. Release, wait a few secs and push and release it.


+1, has worked on a few business laptops

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On 06/08/2020 18:51, ss wrote:
On 06/08/2020 18:39, Kellerman wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up
so I reckon something internal. Are there any relatively easy things
to check before I bin it.
I have a multi meter but have little knowledge of it other than
checking mains voltage.

Is it actually charging? There should be an LED that lights up to show
its charging.

............................

Its not charging, nothing lights up.
I last used merely to charge it about 6 weeks ago, then, the other day
was going to charge it just to keep it topped up and ..zilch...totally
dead. So bought a new charger and battery but still dead.

If I bin it I can sell the new battery and charger on ebay, but will
open it up first as nothing to lose.


Please stop there and tell us the model number and/or part number.
Either will be written on the underside.

You may be lucky to find a service manual, that will show the order and
necessity to remove screws. Without that, you'll go over the top and
make the reassembly more involved, damage bits and have screws left over....

http://www.tim.id.au/blog/tims-laptop-service-manuals/

A common failure to charge would be the power connector contacts
failing. Often it's soldered to the motherboard, sometimes it's on a
smaller board with leads and available on eBay. With the thing apart and
your meter, you should be able to see if power is getting through.

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Default Asus notebook wont boot up.

ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.


There have been motherboards in the past, where
a flat CR2032 inside the machine, prevents power-on.
But, that would likely only affect power on.

The CR2032 is tied to the Southbridge (RTC) but
can also be tied to a voltage monitor on the SuperIO.
And a few motherboards don't work properly, when
something within the SuperIO complains if the CR2032
is flat. The replacements are tethered, with a two pin
connector on the end for a pin header. Normally, you
can make a motherboard work without the CR2032 connected.

https://www.lifewire.com/thmb/cHEMji...00114314c1.PNG

I don't think it very likely that this is the problem.

*******

With your brand new adapter and battery,
you should be able to get the power management to
light the charging LED and give a status. Either
the battery needs charging and will be one color,
or the battery is full and the other color should
come on. For nothing to come on, means the power
management doesn't have any power, and cannot
say a thing.

I don't really know whether laptops have a fuse inside
anywhere. Like, as part of the power management.

*******

This is a laptop schematic.

As a source of inspiration, page 46 shows a battery charger using ISL88731.
Compal is an ODM, who makes laptops for OEMs (Dell/HP) to sell.

http://www.s-manuals.com/pdf/motherb...schematics.pdf

https://www.alldatasheet.com/datashe...ISL88731C.html

VIN should be the barrel connector on the laptop.

BATT+ would be the main battery.

B+ feeds the system.

Pages after page 46, show DC power converters for various rails.
Page 52 is for VCore on the CPU.

Power ON/OFF is on page 40 (KB9012 is key to this powering puzzle).

Here's a reference to the KB9012, which may play a part in Power On/OFF

http://dangerousprototypes.com/docs/...ith_Bus_Pirate

https://datasheetspdf.com/datasheet/KB9012.html # blue link, not the trick red one!

Page 56 has a block diagram of power distribution.

Page 39 has the power button. ON/OFF is the signal.
ON/OFF goes to KB9012. We need to get power on KB9012
to ignite the thing.

3.3V/5V power by Richtek RT8205 chip. Page 47. But that
can't be left running all the time, so does not answer how
the blasted KB9012 is brought out of slumber.

https://www.richtek.com/assets/produ...S8205LM-05.pdf

Tracing back to Page 39, the power button does two things.
And one of those things is EC_ON. EC_ON seems to relate to
turning on the KB9012, and then the KB9012 can see the
power button signal and being an Embedded Controller,
sequences the rest of startup.

That's the problem with designs like this, is they're
a puzzle, and you can chase your tail for hours trying to
find the nugget at the core.

So a person might start debugging why EC_ON is not working,
why the KB9012 is not doing its little embedded
controller thing. Maybe the quartz crystal broke because
the unit was dropped. Or maybe the KB9012 burned up
(which apparently happens).

Paul


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Default Asus notebook wont boot up.

The Natural Philosopher wrote :
On 06/08/2020 18:15, ss wrote:
On 06/08/2020 17:06, Michael Chare wrote:
On 06/08/2020 16:31, ss wrote:
Asus notebook dead, bought new battery and charger still wont boot up so
I reckon something internal. Are there any relatively easy things to
check before I bin it.
I have a multi meter but have little knowledge of it other than checking
mains voltage.

Are you able to enter the bios when it starts up?
You may be able to checks the volts on the plug that goes into the laptop.


It doesnt start up 100% dead no whirs/pings...nothing.

ok chances are its really simple like a broken wire

You have little to lose by opening it up


Check the PSU is outputting voltage first.
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On 07/08/2020 09:32, ss wrote:
On 07/08/2020 07:29, Brian Gaff (Sofa) wrote:
Presumably then its not even charging its battery. Why did you buy a
battery?


In the 9 years I have owned it it has had 2 new chargers and 2 new
batteries. So assumed it was one or the other, I dont know anything
about electronics so not in a position to test anything.


It's going to struggle with Win10 then. Maybe time for a new one.
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On 07/08/2020 11:47, Harry Bloomfield wrote:
Check the PSU is outputting voltage first.


Will do.
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On 07/08/2020 13:49, Andrew wrote:
In the 9 years I have owned it it has had 2 new chargers and 2 new
batteries. So assumed it was one or the other, I dont know anything
about electronics so not in a position to test anything.


It's going to struggle with Win10 then. Maybe time for a new one.


I only use it on holiday so maybe twice a year....AND it still has win
XP! Mainly used for spreadsheets and photoshop on hols.
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On 07/08/2020 09:50, Adrian Caspersz wrote:
Please stop there and tell us the model number and/or part number.
Either will be written on the underside.


Label on back:
Asus Eee PC 1001P


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"ss" wrote in message
...
On 07/08/2020 07:29, Brian Gaff (Sofa) wrote:
Presumably then its not even charging its battery. Why did you buy a
battery?


In the 9 years I have owned it it has had 2 new chargers and 2 new
batteries.


Fark, thats mad with the chargers.

Looks like you are breaking the chargers by
yanking the plug out of the laptop by yanking
on the cable and have likely broken the
connector attachment to the pcb now.

So assumed it was one or the other, I dont know anything about electronics
so not in a position to test anything.



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On 07/08/2020 16:50, ss wrote:
On 07/08/2020 09:50, Adrian Caspersz wrote:
Please stop there and tell us the model number and/or part number.
Either will be written on the underside.


Label on back:
AsusÂ* Eee PC 1001P



https://www.ifixit.com/Device/ASUS_Eee_PC_1001PX
Click on the link for "ASUS Eee PC 1001PX Charging Socket Replacement"

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ss wrote:
On 07/08/2020 09:50, Adrian Caspersz wrote:
Please stop there and tell us the model number and/or part number.
Either will be written on the underside.


Label on back:
Asus Eee PC 1001P


This might not even be close, but the schematic will show their
thoughts on design. The EC on this one isn't tied into the power
as directly as the other sample schematic.

http://kythuatphancung.vn/uploads/do...schematics.pdf

It's a pretty low power laptop, and hard to understand how
the power connector might get burned on those.

You could look for a replacement motherboard on Ebay,
or a fully working unit, and do transplants as you see fit.
Only Windows XP activation will be an issue. Windows
will be insufferable, every inch of the way (need to install
IE8 to attempt to activate and so on if doing a clean install).

Paul
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On 07/08/2020 10:23, Paul wrote:
That's the problem with designs like this, is they're
a puzzle, and you can chase your tail for hours trying to
find the nugget at the core.

So a person might start debugging why EC_ON is not working,
why the KB9012 is not doing its little embedded
controller thing. Maybe the quartz crystal broke because
the unit was dropped. Or maybe the KB9012 burned up
(which apparently happens).


Thats all a bit too tecnical for me. However thinking about previous
posts I suspect it is not the `mains charger` connection, as it is a new
battery I would expect some charge in it, as the asus remains totally
dead I suspect something internal. (maybe the on/off switch)
I will open it up but unless I see a broken connection or something else
obvious I will just bin it.


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On 08/08/2020 13:54, Paul wrote:
It's a pretty low power laptop, and hard to understand how
the power connector might get burned on those.

You could look for a replacement motherboard on Ebay,
or a fully working unit, and do transplants as you see fit.
Only Windows XP activation will be an issue. Windows
will be insufferable, every inch of the way (need to install
IE8 to attempt to activate and so on if doing a clean install).


Thanks for the info Paul.
I am ok with mechanical repairs and `big`part` soldering but I suspect
this machine will be beyond my capabilities.
I only use it a couple of times a year so if I dont find anything maybe
time to get a cheap replacement, its already 9 years old, and I use my
desktop for daily use.
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"Paul" wrote in message
...
ss wrote:
On 07/08/2020 09:50, Adrian Caspersz wrote:
Please stop there and tell us the model number and/or part number.
Either will be written on the underside.


Label on back:
Asus Eee PC 1001P


This might not even be close, but the schematic will show their
thoughts on design. The EC on this one isn't tied into the power
as directly as the other sample schematic.

http://kythuatphancung.vn/uploads/do...schematics.pdf


It's a pretty low power laptop, and hard to understand how the power
connector might get burned on those.


Not burned, no longer electrically connected.

Given that he has killed two chargers, its very likely he
is yanking the cord out by yanking on the cord and that
has previously broken the connection to the plug and
this time has broken the socket connection in the laptop.

You could look for a replacement motherboard on Ebay,
or a fully working unit, and do transplants as you see fit.
Only Windows XP activation will be an issue. Windows
will be insufferable, every inch of the way (need to install
IE8 to attempt to activate and so on if doing a clean install).




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On 08/08/2020 20:33, Chris Hogg wrote:
If you bin it, don't forget to extract the HDD and smash it up to
destroy the disc. I usually open my old HDDs and extract both the
magnets and the disc itself. The magnets are very strong, and come in
useful occasionally, while the disc makes a nice shiny coaster.


Yes will do.
Old hard drives from previous desk tops I use as an external back up but
this one will be destroyed.
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ss wrote:
On 08/08/2020 20:33, Chris Hogg wrote:
If you bin it, don't forget to extract the HDD and smash it up to
destroy the disc. I usually open my old HDDs and extract both the
magnets and the disc itself. The magnets are very strong, and come in
useful occasionally, while the disc makes a nice shiny coaster.


Yes will do.
Old hard drives from previous desk tops I use as an external back up but
this one will be destroyed.


Just make sure you've tried enough combinations
of old-battery/new-battery and working adapter,
to make sure it really is dead.

*******

There could be one of these inside, and your meter should
read "3.0V" if working OK. The dual diode next to this,
ensures that even if there was physically a way to plug it
in backwards, nothing would be blown. It is polarity protected,
as part of charge-prevention being implemented.

https://www.amazon.ca/Motherboard-re.../dp/B009TUWQ40

Those are still working, when as low as 2.3V. This allows
0.3V for drop across the BAT54 diode, and leave 2.0V
as the minimum the RTC will accept. Below about 2.3V,
it may have trouble keeping the time, when all power
(including main battery) has been removed.

When the battery is fresh and new, it reads 3.1V or so.
It might read 3.0V for three years. During the last
three weeks of its life, it can drop from 3.0 to 2.3
during that interval.

By leaving the main battery pack in place, there may be
some way for the motherboard to power the RTC from the
main battery, rather than from the small coin cell. That
way, it can last ten years or more.

Paul


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On 08/08/2020 20:33, Chris Hogg wrote:
On Sat, 8 Aug 2020 18:50:48 +0100, ss wrote:

On 07/08/2020 10:23, Paul wrote:
That's the problem with designs like this, is they're
a puzzle, and you can chase your tail for hours trying to
find the nugget at the core.

So a person might start debugging why EC_ON is not working,
why the KB9012 is not doing its little embedded
controller thing. Maybe the quartz crystal broke because
the unit was dropped. Or maybe the KB9012 burned up
(which apparently happens).


Thats all a bit too tecnical for me. However thinking about previous
posts I suspect it is not the `mains charger` connection, as it is a new
battery I would expect some charge in it, as the asus remains totally
dead I suspect something internal. (maybe the on/off switch)
I will open it up but unless I see a broken connection or something else
obvious I will just bin it.


If you bin it, don't forget to extract the HDD and smash it up to
destroy the disc.


why?


I usually open my old HDDs and extract both the
magnets and the disc itself. The magnets are very strong, and come in
useful occasionally, while the disc makes a nice shiny coaster.



--
€œSome people like to travel by train because it combines the slowness of
a car with the cramped public exposure of €¨an airplane.€

Dennis Miller

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Default Asus notebook wont boot up.

On 08/08/2020 21:53, ss wrote:
On 08/08/2020 13:54, Paul wrote:
It's a pretty low power laptop, and hard to understand how
the power connector might get burned on those.

You could look for a replacement motherboard on Ebay,
or a fully working unit, and do transplants as you see fit.
Only Windows XP activation will be an issue. Windows
will be insufferable, every inch of the way (need to install
IE8 to attempt to activate and so on if doing a clean install).


Thanks for the info Paul.
I am ok with mechanical repairs and `big`part` soldering but I suspect
this machine will be beyond my capabilities.


actually these things are modular: repairing them is a question of
buying a part on ebay and plugging it in

I only use it a couple of times a year so if I dont find anything maybe
time to get a cheap replacement, its already 9 years old, and I use my
desktop for daily use.



--
Outside of a dog, a book is a man's best friend. Inside of a dog it's
too dark to read.

Groucho Marx


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On 09/08/2020 07:08, Chris Hogg wrote:
On Sun, 9 Aug 2020 06:55:35 +0100, The Natural Philosopher
wrote:

On 08/08/2020 20:33, Chris Hogg wrote:
If you bin it, don't forget to extract the HDD and smash it up to
destroy the disc.


why?

By implication, you're suggesting it's not necessary. I do it because
I don't want anyone who might recover the computer from the recycle
process, remove the hard disc intact and get personal data, passwords,
bank data, whatever, from it.

Why not take th HDD and put it in a USB caddy?

Or just write zeros all over it.

I mean really, do you think people take scrapped computers and spend
hours reading disk drives?

I am amazed at the number of people who seem to think their personal
data is worth te attention of the NSA

I assume that as some point my mobile phone will be stolen. That is why
there are only a couple of email passwords on it, that I can change in 2
minute.



--
Outside of a dog, a book is a man's best friend. Inside of a dog it's
too dark to read.

Groucho Marx


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The Natural Philosopher wrote:

actually these things are modular: repairing them is a question of
buying a part on ebay and plugging it in


At what point does it become good money after bad? For a 10+ year old
netbook, I'd cut and run, try to sell the new battery and charger.

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On 09/08/2020 08:04, Andy Burns wrote:
The Natural Philosopher wrote:

actually these things are modular: repairing them is a question of
buying a part on ebay and plugging it in


At what point does it become good money after bad?Â* For a 10+ year old
netbook, I'd cut and run, try to sell the new battery and charger.

Well yes. Depends on the opportunity cost of buying something
equivalent. Asus are not bad machines generally. Might have to spend
£300-400 for something as good, or £10 for a new PUS adapter board


--
The lifetime of any political organisation is about three years before
its been subverted by the people it tried to warn you about.

Anon.
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