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Bios Cannot See Any Devices To Boot


I performed a full hard disk encryption on my laptop using truecrypt. Now i cannot boot. Before i started i took the precaution to take a full image backup using norton ghost. I used the latest stable version - 6. 3a of truecrypt. I created a truecrypt rescue disk.

My hp laptop was running windows 7 ultimate (32-bit). The laptop contains 2 x 640 gigabyte hard disks from western digital - wd6400bevt blue scope 5400rpm - part number 591192-001 - model number wd6400bevt-60aort0. The system disk had 4 partitions before i started.

When i ran truecrypt i opted for: "encrpt the system partition or the entire system drive"; "standard truecrypt volume" i.e. No cascades; serpent encryption algorithm; the ripemd-160 hash algorithm; and 7 passes. The truecrypt program checked my parameter choices and did a test reboot without any error messages. The encryption process continued for 32 hours.

After the encryption finished with a "successful" message i was a little surprised that the program didn't suggest an immediate reboot. So i looked around on the disk. My file systems appeared normal. I was able to get into microsoft outlook and download new mail. I was able to browse my favorite sites on the internet. I was also able to look inside word documents.

So i decided to reboot. Since then i have not been able to get my system to run at all. I have had no luck using the truecrypt rescue disk; or a system recovery cd; or even the original windows 7 installation disk.

I get a black screen with a 4-5cm diameter blue disk displayed in the middle with the white letters, "hp". Down in the bottom left-hand corner of the screen it says "press the esc key for startup menu". Pressing esc does nothing, unless you press it 8-10 times, when it causes a "beep" noise to sound.

The problem is that the insyde h20 bios supplied by hp is unable to communicate with either of the hard disks or the cd drive; or a usb thumb drive. The bios program does talk to the keyboard.

I have tried a strategy to reset the bios back to default. I removed the battery and power cord from my laptop. Then held down the power-up button for 15 seconds to ensure any residual power had drained. Then i plugged the power supply back in, and hit the power up key. I still get the black screen with the hp logo and the press esc message.

I tried powering up and pressing a range of function keys.
F1 gives me a , "f1.system information" message.
F2 gives me a , "f2. Startup check" message.
F9 gives me a , "f9. Change boot device order" message.
F10 gives me a , "f10. Bios setup options" message.
F11 gives me a , "f11.system recovery" message.
Esc gives me a , "esc. Pause startup" message.
. But none of these options actually work.

To me this indicates that the bios programme is working partially and able to intepret keystrokes from my keyboard. But nothing else happens other than the whirr of my fan, the led lights displaying normally around my keyboard and the sound of my dvd/cd drive spinning up, and then slowing down again. It appears that in order to bootstrap my hard disk or even bootstrap from a bootable cd the bios needs to talk to one of the (now encrypted) partitions on my system hard drive.

I have tried re-seating the hard drive cables and contacts, and even swapping the hard drives over. I've probably voided my warranty by unscrewing the covers off the underside of my laptop to access these hard drives. I don't have access to another laptop or desktop capable of mounting my western digital hard drives. So i haven't been able to try the option of decrypting my system hard drive by that method.


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