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I had the same problem. While rebooting the laptop the screen would be on for a few seconds after it finished rebooting then the display would go black. If you looked very carefully at the screen you could see the image was there but there was no light behind the screen to make the image visible.
I removed the black plastic display bezel cover that goes around the edge of the display screen to check out the lights and wiring. I found a small magnet that belongs inside the display bezel had fallen out of it's slot in the plastic bezel and was stuck to the inverter pcb (printed cicuit board). To fix this problem I secured the magnet into it's slot inside the display bezel with a bit of glue. After fixing the problem and putting the display bezel back together the laptop worked normally.
This magnet is how the laptop knows the lid is closed. When the laptop is closed the magnet is moved closer to a magnetic switch on the inverter pcb and activates the switch. The laptop thinks it is closed and shuts off the lights behind the display screen. When the magnet fell out of it's slot and stuck to the inverter it activated the magnetic switch all the time whether the laptop was open or closed. This caused the laptop to think it was closed and shut off the lights behind the dispaly screen as soon as the reboot finished.
It is a BIOS password, you would be best contacting Toshiba who will hopefully be able to provide you with a challenge and response code to remove this password. This can be done over the phone.
Hope this helps,
Hi apr_angel_2, I know how you feel as my HP pavilion has had the same blue screen ansking for the 'drivelock multibay password' . the good news is i have fixed it just 5 mins ago. !st you have to get into the bios first. Lets see if I can show you how I helped it to boot up:
at the blue screen which requested the 'drivelock multibay password' I pressed the F10 Key which took me into setup
i then selected the security tab
and then I think I selected drivelock password
and then selected the "Notebook hard drive" item where I tried to disable, with no success
PLEASE NOTE: at this point I noticed that each time that i tried to disable the password it kept returning to the item 'Notebook hard drive' . I thought to myself that maybe this is the password and not just an item on the list, so I carefully wrote down .. Notebook hard drive .. taking note of capitalization and spaces and then exited setup.
I then noticed that there was nowhere to enter the password so i carefully typed .. Notebook hard drive .. onto the keyboard, and waited. After about 1 min a small 'OK' appeared inside the blue box and my heart leaped for joy inside my chest.
I waited... and a black screen apeared with the wite cursor blinking
and I waited... this time about 5 mins passed and then windows started to load. Thank God!
I hope you get some joy out of this post and it helps you access your Compac notebook. Cheers Darryn Hope www.darrynhope.com
i have solve the problem for my hp nx7300. mine used to show everything that should be shown on the screen but had the screen placed in a Conner so small. i solved this by uninstalling the monitor and unknown device drivers. i have then installed the unknown device as a blue-tooth adapter to avoid this problem recurring. hope this sorts out some people's problem. the other half screen with half completely not shown has to do with the cable connecting the monitor and the CPU. remember solving this for my friend by cleaning the connection port.
all you have to do is pop out the CMOS battery...its a small (bout the size of a quarter) button cell battery inside your computer...if you dont know how to get to it repost your computer make/model and ill look up your manual and find it for you...