nzoomed wrote on 2025-01-16, 09:30:
I have acquired a bunch of vintage toshiba laptops that I hope to set up for DOS gaming along with early windows games.
The best spec one I've got thats in working condition is my 4000CDT, unfortunately it has some dark patches on the screen as you can see in the photo, it's not unusable however and the viewing angle affects the visibility of them, is there any way to fix this, or is it permanent?
I'm not sure if it's the polarizing filter to blame, but pressing on the affected spots and letting go appears to temporarily improve the image for a second or two.
It is the front / outer polarising film on the LCD that's damaged, I've seen mouse pointers and the buttons do the same thing on some of mine. The oil on the mouse buttons reacts with the polariser and permanently alters the composition / look for the polariser. Usually where there's been a heavy weight on the laptop pressing the buttons into the polarising film.
Pressing it would temporarily lighten the image in that area but it can't be fixed in that way, you need a replacement polarising film on the front.
From how it looks I think it could be permanent, but do try giving it a clean with a damp (not wet) cloth & soap / washing up liquid.
Are spare screens available? I was sure I saw brand new ones listed on ebay at some point for other early toshiba models.
It's a […]
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Are spare screens available? I was sure I saw brand new ones listed on ebay at some point for other early toshiba models.
It's a bit of a worry going forward and trying to keep alive this aging technology.
I've got a 300CDS, 300CDT and a 460CDT.
I suspect the LCD on the 460CDT and 300CDT might be the same part number?
The 460CDT, 300CDT and 4000CDT all use basically the same screen, they're all 20pin LVDS with 5v power supply which is fairly unique to Toshiba laptops. This list has a lot of part codes to look up, perhaps they're more available in your region: http://www.lcdsearch.com/0-Toshiba-Laptop-Not … s-Reference.htm
The 300CDT works, but the screen has a green line running down, might be the cable, not sure yet.
Usually that's a damaged panel, I've never managed to fix single line faults on an LCD 😒
The 460CDT doesn't start up but may be fixable, likely it's the CMOS battery but I haven't pulled it apart yet.
Very common on these now unfortunately, the BIOS battery leaks and damages a bunch of traces because all the memory connections go right under the area that the BIOS battery leaks. It requires a lot of troubleshooting and some quite fine soldering work to repair. Have a read of this if you'd like to see if it can be repaired: Re: Toshiba Satellite Pro 440CDT Not Booting, Showing Blinking Code
If it's got a good screen it might be a good donor machine for parts possibly.
Anyone else who has suggestions on what I can do […]
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If it's got a good screen it might be a good donor machine for parts possibly.
Anyone else who has suggestions on what I can do is much appreciated.
Also was wondering if anyone here has ISO images of their factory windows installation media.
Want to either install win95C or 98SE
That 460CDT could be a good screen donor yet though 😀