Satellite Pro U400 freezes sometimes when the power cord is plugged

Hello! I know that this problem has been addressed here and there, but I'd like to open a new thread about it. Here's the scenario.

I recently bought a new Toshiba Satellite Pro U400-247 (PSU45E) with two batteries: (a) the original, (b) in addition purchased authentic of Toshiba PA3636U-1BRL, 7200 mAh. The laptop has the latest BIOS (4.80) and the latest drivers downloaded from Toshiba and installed (ConfigFree is not installed). I use XP Pro SP3 (own installation by myself). Everything works fine, except for one thing:

Sometimes (but), when the laptop is running on battery power and I plug in the power cord, everything hangs and I have to restart. A few observations:

It tends to occur more frequently when the low battery alarm has rung;
(b) it seems to happen more frequently with the 7200 mAh battery and less frequently with the original battery.
(c) it seems to happen most often when a USB device (mouse, for example) has been linked to the laptop, but it is not a rule;
(d) it seems to happen less often when I move the mouse USB at the time wherever I am connect the power cord.
(e) I've experimented a lot with Toshiba PowerSaver settings (for example to change the levels of CPU for my profile) but nothing I changed seems to change the situation.
(f) I tried different suggestions I found on various forums, but nothing works (for example the BIOS settings);
(g) otherwise, I can say that I have not really seen a smoother computer, everything works really fine, no other problem :)

Everything that makes me think it must be some sort of bug in the drivers of motherboard driver PowerSaver or other drivers interact with battery, CPU or possibly USB. Y at - it an explanation to this problem and can it be rectified in some way (for example, by providing a driver update)?

Hello

First of all, I never heard a driver from the motherboard.
There is a drive chipset or a graphics card driver. There is no such thing as a driver of the motherboard!

Look, man. laptop should work fine even the AC adapter is connected or not connected
If the laptop freezes while there might be a software problem, but in my opinion it could be hardware problem
You must reinstall the operating system if the laptop would freeze always the issue might be related to hardware

First of all the memory modules and AC adapter must be verified.
If the problem persists even using new modules and AC adapter, motherboard may be affected.

Tags: Toshiba

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