First post, by Wilius
Hi everyone!
Last week I bought a "untested" Toshiba Libretto 110CT at a very low price.
Unfortunately, it turned out that this Libretto does in fact NOT work.
I'm well aware that "untested" doesn't always mean it actually is, but the seller is super chill and we're currently in contact.
This is why I won't push any blame on him.
It's old hardware. These things happen.
The laptop does power on, but shows no signs of life otherwise.
The screen remains dark and displays no image, even when shining a bright flashlight at it.
So for now we can rule out the LCD backlight as the source of the problem.
The hard drive spins up, but there is no further activity.
The HDD LED only flickers briefly upon turning it on and then stays off.
There are also no POST beeps.
When I try to shut it down, it doesn't respond immediately to the power button.
It usually takes about 7 seconds of holding down the button to power it off, and even that doesn’t always work reliably.
I read that these laptops may refuse to boot with a faulty hard drive, so I installed a known working drive, but this didn’t change anything.
I also read that leaking batteries are a common issue.
However, after removing the keyboard, I discovered that the previous owner had already removed it, and there are no signs of corrosion or leakage.
I then completely disassembled the device to inspect the motherboard for visible defects, but couldn’t find any obvious damage.
Before reassembling, I made sure that all connectors (including the LCD cable) were properly seated.
I should mention that my Libretto was shipped without a AC adapter or docking station, so I am currently relying solely on the included PA2502U battery.
In case you are wondering: I charge the battery using my Toshiba Libretto 50CT, and I can confirm that it still holds a charge and lasts long enough to boot that system into Windows 95.
As far as I can tell, the machine is in original condition.
Although the previous owner clearly opened it at some point, there are no visible hardware modifications.
However, this doesn't completely rule out the possibility that the previous owner may have tampered with the device in some other way.
At the moment, I see three main causes:
- defective onboard RAM
- corrupted BIOS
- power/voltage issues (voltage regulators, capacitors, power management IC, etc.)
To me it looks like my Libretto doesn’t even initialize the POST sequence or tries to execute any code.
I'm running out of ideas and am not sure what to try next.
As a last resort, I could attempt to fully recap the board or try to reflash the BIOS with an external programmer.
But before going down that route, I'd like to ask if any of you might have other suggestions on how I could get my Libretto working again.
What do you think?
Is my 110CT beyond repair, or is there still hope for a fix?
Thank you in advance for your help!