My Toshiba Satellite Pro 4600 recently had a new keyboard fitted (Friendly Techie) but since then it refuses to run on battery only - mains power via the adapter is fine.  You can hear the HDD whirr into action, booting lights flash, but then (about 2-3 secs) it simply closes down unbooted.

Friendly techie is as baffled as I am, connections all re-checked so, for my first posting, Help!

John Robinson

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