Having problems with your Compaq Presario 1800T Notebook ?
At start no operating system found
\015 Starting lap top no operating system found itried to boot a xp disk shows that program loads all the way to win sys starting then says no hard drives detected start up can not continue insafe mode dos sys tools ask for password entered pass wrd but wrong code so im stuck plze hlp\015
By your description either the drive has died or somehow the BIOS has been changed to not be able to see the drive. Can you run setup on startup to get into the BIOS? From there you should be able to see if the BIOS is detecting the drive. Mose BIOS setups have a selection to automatically detect the drive. I would try that.
Repair Help & Product Troubleshooting for Compaq Presario 1800T Notebook
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