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Laptop with non-replaceable keyboard - this is a first!


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#1 britechguy

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Posted 29 January 2018 - 04:35 PM

A friend of mine has a Toshiba Satellite C55T-5300 on which the keyboard has begun to go wonky.  So, I thought, sure, I'll replace the keyboard for you.

 

Researched a number of the Toshiba C50 series machines to see what was required to replace the keyboard and thought it would be easy.  Well, to my amazement, the island keyboard (while having the replacement part readily available) is held in to the case via a metal plate as well as several plastic posts that come through the keyboard itself that are "melt-riveted" on.  That is, it's clear that heat is applied to a bunch of plastic posts that stick up through the keyboard itself (there are multiple holes in it) and the metal plate and heat is applied to make the post tips mushroom out and hold it all in place.  There is absolutely no practical way to remove this thing and replace it!  To add insult to injury one must remove the motherboard to find out that this is the situation!

 

I intend to put the thing back together just in case she wants to have it as a backup to use with an external keyboard.  But, since I had to remove the motherboard I had to separate the heat sink from the processor, which means I have to repaste the thing.

 

I'm looking for recommendations for both thermal paste cleaners and thermal paste itself.  I haven't had to deal with either in ages and I have no idea if there is any real quality difference between all the brands or not.

 

[And, no, I couldn't think of the perfect place to vent or to ask what I've asked about.]


Brian  AKA  Bri the Tech Guy (my website address is in my profile) Windows 10 Home, 64-bit, Version 1709, Build 16299

       

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#2 JohnC_21

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Posted 29 January 2018 - 04:41 PM

I've seen something like this before where the keyboard was integrated with the touchpad and palm rest. Pretty messed up. Here is your keyboard. Hey, it's called design for assembly or in other words lets screw the consumer.

 

https://www.ebay.com/itm/OEM-Toshiba-Satellite-C55T-C5300-15-6-Palmrest-Keyboard-w-Touchpad-A000388600-/272795422490



#3 britechguy

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Posted 29 January 2018 - 05:45 PM

John,

 

        The kicker is that the keyboard itself is a standard island keyboard used by Toshiba (and, I presume, others) in multiple models.  It is only by dint of the design of the upper part of the laptop on the body side that this cannot be replaced.  Even though laptop keyboards do not need replacement all that often, they still need them enough that making that impossible is ridiculous.

 

         And, yes, the item you gave the link to on eBay is precisely what you find after you drop off the fan, motherboard, etc., all of which screw in to that item (and that includes the bottom cover for all of the "innards".


Brian  AKA  Bri the Tech Guy (my website address is in my profile) Windows 10 Home, 64-bit, Version 1709, Build 16299

       

    Here is a test to find out whether your mission in life is complete.  If you’re alive, it isn’t.
             ~ Lauren Bacall
              

 


#4 JohnC_21

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Posted 29 January 2018 - 06:03 PM

For cleaning off the thermal paste you can use coffee filters and 91% alcohol. Any of the good thermal compounds will do.

 

https://www.gamingscan.com/best-thermal-paste/



#5 Joe C

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Posted 29 January 2018 - 06:28 PM

Just quote your friend the cost to replace and leave it up to them to decide if they want to cough up for a new key board, touch pad and palm rest



#6 britechguy

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Posted 01 February 2018 - 11:48 AM

As an aside on the thermal paste, I ended up buying:  Halnziye HY710 10g Silver Thermal Paste High Performance Heatsink Compound for CPU GPU LED

 

I far preferred the small container format and the applicator trowel that allowed me to spread the stuff out somewhat before mating the heat sink to the processor.  It worked like a charm and the i3-5020U is running right around 45-50° C at rest or under light load, which is precisely what I'd expect.

 

The more I read up on thermal paste the more all the claims being made about specific ones being so much better than others seemed to me to be more about marketing hype than fitness to purpose.  The differences could easily be within the margin of error in virtually every case.


Brian  AKA  Bri the Tech Guy (my website address is in my profile) Windows 10 Home, 64-bit, Version 1709, Build 16299

       

    Here is a test to find out whether your mission in life is complete.  If you’re alive, it isn’t.
             ~ Lauren Bacall
              

 


#7 JohnC_21

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Posted 02 February 2018 - 10:54 AM

That looks like a good product for the price from reviews on multiple sites. A nice amount too.



#8 britechguy

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Posted 02 February 2018 - 11:17 AM

That looks like a good product for the price from reviews on multiple sites. A nice amount too.

 

And for those doing work where they go through this stuff way more rapidly than I ever would (as 10g is probably a "someone's inheritance" amount for me) there is a 20g size available on Amazon for $2 more than the 10g size.


Brian  AKA  Bri the Tech Guy (my website address is in my profile) Windows 10 Home, 64-bit, Version 1709, Build 16299

       

    Here is a test to find out whether your mission in life is complete.  If you’re alive, it isn’t.
             ~ Lauren Bacall
              

 





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