After a new windows xp installation I downloaded windows updates. The laptop restarted fine, After I installed service pack 2 I downloaded 78 security updates, after they were installed I was prompted to restart the laptop, it was after this download that the notebook would not restart. It went through the shutdown proces but was left hanging on a blank screen. Depressing the on/of button turned it of, but it wouldn't restart. Removing the battery and power supply and reconnecting them allowed the laptop to restart. The laptop shuts down fine the problem is on restart only. Any advice on a fix.
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