A200 Toshiba Satellite Random Restarts / Freeze When on AC

Symptoms:

• Random restarts
• Boots ok on battery
• Toshiba A200 Satellite laptop
• Over 4 years old
• Works in safe mode
  

Solutions:

• Boot up in Safe Mode
• Start > Control Panel > System > Device Manager > Processors
• Disable both processors
• Restart the laptop
• Boot into normal Windows
• Should work fine, if not you may want to look at the rest of this blog
• This is apparently a temporary fix and your laptop will not last years and years without replacing a chip (see below)
  

Causes (Possible):

• Poor battery life and power switching between AC and battery
• A NEC chip on the motherboard that regulates power is deteriorating and causing the laptop to not power properly

Alternative fixes:

1. Set power settings to Power Saver
2. Set power to High Performance
3. Boot into BIOS and change Dynamic CPU Frequency Mode = Always Low (NOT DYNAMIC)
   
4. Charge up battery and only use laptop on battery

More Info (Google key words such as):

• a200 toshiba random restarts
• Satellite A200 freezes or restarts anytime
• A200 restarts when plugged into AC
• Toshiba laptop freezing when charger is pluggded in
• Toshiba Random Freeze/ Shutdown/ Restart
• a200 toshiba NEC/TOKIN OE128 Proadlizer Capacitor problems