please help! on boot my dell computer has a black screen with the Missing Operating System message. I've run the diagnostics and the only errors i seem to get are regarding the optical drive (error 2000-0147) and another error that says 'lcd cable not detected' (error 2000-0413)...it finishes by saying no diagnostic utility partitioned. Please help! Have tons of my kids pictures on this computer that i do not want to lose. thanks!
Unplug the system, remove the battery and remove the hard drive (service manual below). Mount the drive in an external case and attach it to a working system by USB. BACK UP the files you cannot afford to lose to the working system's hard drive.
You will likely need to do a complete system recovery or format-reload afterward, but get the data backed up FIRST before you any other troubleshooting.