Satellite A300 cpu problem

Hi all, I had a Satellite A300 under Vista 32 bit

I posted in this forum earlier on my reboot loop problem
(http://forums.computers.toshiba-europe.com/forums/thread.jspa?threadID=77256&stqc=true)

I finally found that my laptop is fine when it is in safe mode, or when running only on battery
Once I plug the power that the loop comes back, I saw in another post that disable both processors in Device Manager can solve the problem, and it worked for me!

However, I want to do a factory restore because my OS is corrupted badly enough (probably due to virus?), many services can not start and also access no internet

Problem is when I do the factory recovery, the processor driver will probably settle at some point my laptop won't fall through the loop again and was never able to complete the recovery?

I tried other OS like ubuntu, but problem still exist, so I don't know this isn't OS problem.

So I would like to know:
1. What is the difference of the CPU in operation mode/battery safe mode/AC only mode?
2. What does the processor driver? What happens when I disabled it them?
3. a way to set the CPU mode in the BIOS? (so I can keep the work process recovery) (I tried ' dynamic/always low' and disable "multi core processing", no help)

I tried to fix my laptop for weeks, your help is very appreciated!

> Problem is when I make the resumption of the factory, the processor driver will probably settle at some point my laptop won't fall through the loop again and was never able to complete the recovery?

I think it will always be the case if you install the system using the recovery disc or own Ms.

> 1. What is the difference of the CPU in operation mode/battery safe mode/AC only mode?

First of all if you run the laptop computer is in safe mode, only some essential system process would load and many components non-essential are disabled.
The processor supports also different modes (C1, C2, C3) in order to save energy for energy savings
Each CPU has multiple power modes, and they are collectively called States C or C-modes.

> 2. What makes the processor driver? What happens when I disabled it them?
Its a driver essential system. Unless the driver of the CPU, the system does not recognize the CPU correctly and the processor cores.

> . Any way to set the CPU mode in the BIOS? (so I can keep the work process recovery) (I tried ' dynamic/always low' and disable "multi core processing", no help)
N °
The CPU seems to be the troublemaker and I think that it should be replaced

Tags: Toshiba

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