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Old 13-07-2020, 09:05 PM   #1
Citroënbender
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Default Laptop Display Failure

Toshiba Satellite, probably six or seven years old. Display doesn’t illuminate, you can just make out the screen with a torch light. Otherwise boots and behaves normally.

Does the display cable ever partially fail, or is the backlighting part of the display likely to be stuffed? I’m assuming a complete display replacement is nothing too difficult with small screwdrivers and a bit of patience.
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Old 13-07-2020, 09:08 PM   #2
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Default Re: Laptop Display Failure

See https://www.youtube.com/watch?v=oL_GtXcSGp0

I guess these might also be worth a try: https://www.youtube.com/watch?v=nuXqTJDBjJI but you will probably end up back at the first video.
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Old 13-07-2020, 10:02 PM   #3
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Default Re: Laptop Display Failure

It's a simple backlight failure....usually asmall pcb located at the bottom of the screen.

basically the fluoro tube has a starter and its not starting.

cheap and simple repair...give me the model number?
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Old 13-07-2020, 10:26 PM   #4
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Default Re: Laptop Display Failure

It gives the model as L50D-B. I think there’s a fair bit of component sharing between L50D variants but hadn’t followed it through diligently.
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Old 13-07-2020, 10:29 PM   #5
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Default Re: Laptop Display Failure

Quote:
Originally Posted by Citroënbender View Post
It gives the model as L50D-B. I think there’s a fair bit of component sharing between L50D variants but hadn’t followed it through diligently.

you need a back light inverter board...small chance a plug has come loose in the hinges...the hinge plastics usually just un clip

all spare parts in Aus for Toshiba come from here...

https://store.emprgroup.com.au/ToshibaParts.aspx


Quote:
Originally Posted by Citroënbender View Post
It gives the model as L50D-B.y.
that is not it...look at the sticker under the machine...probably starts with a a PAxxxx

Last edited by zilo; 13-07-2020 at 10:34 PM.
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Old 13-07-2020, 10:35 PM   #6
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Default Re: Laptop Display Failure

Could just be 1, 2 or 3 led's have died in the backlight strip's?

Most of the modern stuff like led tv's, pc monitor's, laptop's etc etc for the last 10 year's or so come with the factory backlighting setting at full brightness
Going into the menu and dropping this down to 50% will double the service life of the backlight led's minimum
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Old 13-07-2020, 10:46 PM   #7
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Default Re: Laptop Display Failure

Thanks. It looks like they don’t split the inverter from the display as sold.

Failure was without warning, just from one day to the next. Hasn’t been dropped, has been open and shut, powered up and down many times.

PSKUCA-01800S is the model number

Last edited by Citroënbender; 13-07-2020 at 10:52 PM. Reason: Autocorrected again
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Old 13-07-2020, 11:14 PM   #8
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Default Re: Laptop Display Failure

Yep...you are out of luck for a cheap repair, you have to buy the entire LCD panel on that model....about $300...tough decision....

https://store.emprgroup.com.au/Toshi...899#yt_content
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Old 13-07-2020, 11:40 PM   #9
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Default Re: Laptop Display Failure

Ta. I’ll do a teardown and wiggle/visual check in case the cable is damaged. If not, will replace the screen. $300 is more than I enjoy spending on it, but still my cheapest reliable option.
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Old 15-07-2020, 08:24 AM   #10
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Default Re: Laptop Display Failure

Is it a white one? If so I have one here that decided it wasn't going to boot up any more.
It's L850D Up spec'd from yours but the screen is the same. You can have it if it helps, it's just taking up space here.
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Old 15-07-2020, 08:46 AM   #11
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Default Re: Laptop Display Failure

Yes, it is white. It’s the old bloke’s plaything, he can barely use a computer anymore but is lost without it as “background noise”.

Happy to wrangle a deal with you, will send a PM.
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Old 15-07-2020, 06:47 PM   #12
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Default Re: Laptop Display Failure

recycling is a win/win
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Old 24-07-2020, 08:42 AM   #13
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Default Re: Laptop Display Failure

All fixed.

When I punched in the model number for Bushbasher’s lappy, it came up with a different screen in the parts listing, not one that was an interchange. So that avenue ran dead.

I decided a stripdown was next, to eliminate any obvious issues that may have lead to the inverter not working. Came apart fairly readily. Found a part number on the display back and hit up Comrade Google.

Result, aftermarket screen $90 plus post ex-Mebourne, parts confirmed (by phone) in stock. Express Post saw me with a fully working laptop the following evening for $119.
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Old 24-07-2020, 08:51 AM   #14
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Default Re: Laptop Display Failure

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Originally Posted by Citroënbender View Post
All fixed.

When I punched in the model number for Bushbasher’s lappy, it came up with a different screen in the parts listing, not one that was an interchange. So that avenue ran dead.

I decided a stripdown was next, to eliminate any obvious issues that may have lead to the inverter not working. Came apart fairly readily. Found a part number on the display back and hit up Comrade Google.

Result, aftermarket screen $90 plus post ex-Mebourne, parts confirmed (by phone) in stock. Express Post saw me with a fully working laptop the following evening for $119.
If it came from Melbourne, your laptop probably has a virus in it now
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Old 24-07-2020, 08:58 AM   #15
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Default Re: Laptop Display Failure

Touché!
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Old 24-07-2020, 10:24 AM   #16
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Default Re: Laptop Display Failure

Was gonna say the same.....wipe it down, and leave it in a cupboard for 14 days
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