Restart, press F2 then F1 to get to the BIOS. Change the boot order so the CD is checked first. Insert the Windows CD and watch for an option to do a Repair operation.
https://www.lifewire.com/how-to-fix-ntldr-is-missing-errors-2623859
SOURCE: Hard Drive with password protected.
I had the same problem. This is how I reset my password on a compaq or hp nc6320.
1. unplug the power cord
2. unplug the battery
3. take two screws from the ram cover on the back of the laptop (see youtube for this step)
4. open the keyboard
5. unplug the cmos battery cable (very easy to do)
6. plug power cable and turn on the laptop
7. laptop would erase passwords.
8. put everything back together.
A pleasure to help.
Javier Blanco
A quick short cut is to open a browser if you use Internet Explorer and select tools menu, then select Internet options. When the box opens then select the advanced tab and scroll down until you see a check box under security and check allow active content from CD to run on my computer.
Also here is the link for your manual: http://esupport.sony.com/US/perl/index.pl
SOURCE: I can't boot up the Vista install on a Sony Vaio VGN-NR160E
go to your BIOS Setup, see to it that there is a Hard Disk Boot Priority, maybe you didn't put it there.
SOURCE: My Laptop ASUS A8Jp ask for a HDD password
Hi
Have you tried Debug ? First run a Debug and that will remove everything from the HDD including the partitions and than do a fresh OS installation
SOURCE: cant install OS BOOTMGR is missing
Usually the installer should have a function to allow you to wipe the disk, or delete partitions.
If it doesn't, and you do not care about the hard disk content, and it is acceptable to wipe out the entire hard disk, you can do so in Linux.
(There is a utility which will do everything for you - Darik's Boot and Nuke, you find it at http://www.dban.org/ . I'm also giving you the "manual" instructions below, though).
Boot with Ubuntu Live, open Terminal, become root with 'su'.
Now you need to know how your disk is "seen" by Linux. Since you only have the one disk and nonexistent disks will fail, we can try all the likely hard disk names. The first command that does NOT fail saying "No such device" is the good one:
fdisk /dev/sda
fdisk /dev/hda
fdisk /dev/cciss/c0d0
fdisk /dev/rd/c0d0
fdisk /dev/ida/c0d0
One of these commands (likely the first or second) will give you a menu ending in "Command (m for help)". type "p" and press Enter to list partitions; there should be only one and it should be a Linux type, probably 83. If it isn't, stop - something's wrong. But it should be.
The first column will say something like "/dev/sda3". Note the number at the end, here "3". You'll likely have "1".
Now type, "d" and press Enter. You'll be asked which partition to delete. Type the same number you saw earlier. Type "w" and Enter to save changes and exit. Type "q" and Enter to exit without changes. The partition can still be recovered, but the disk is now "unlocked".
Reboot and install the OS of your choice. The previous hard disk contents will be permanently lost, and you'll get a shiny new empty partition with a working OS.
You can also erase the disk without using fdisk (but you still need to know how it's named, and for that you can use fdisk) by typing
dd if = /dev/zero of = /dev/sda bs=1M count = 12
Here we suppose the disk turned out to be /dev/sda.
This will write twelve megabytes of zeroes to the beginning of the disk, effectively wiping any OS information there could be there. All disk data are as good as lost. The disk is now, to all installing purposes, a perfect blank. Reboot and install the OS of your choice.
Just for the record, omitting "count" will zealously wipe out the whole hard disk surface, all partitions, all data, irretrievably (except using residual hysteresis detection equipment - doubt if even NSA would take the trouble). This can be handy when decommissioning computers.
There are also
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