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fdisk /mbr
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When booting xp operating system which file will be read to find the path to the boot partition?
MBR Master Boot Record. I think so because one of my oracle professor told me that master boot record is the source to the windows booting setup. not confirm i think so.
What command is used by Windows 2000XP to replace the Master boot program program with a fresh one?
To fix the Master Boot Record on a Windows 2000/xp computer you must: 1. Boot to the install media 2. When prompted, choose Repair. ultimately, you'll access the Repair Console 3. If necessary, log into your Windows application 4. There is a utility on the install media called FIXMBR.exe, On the command prompt, type FIXMBR and press enter. When Windows is installed, it creates the Master Boot Record on the first sector of the first hard drive. It makes a second copy or backup of the Master Boot Record immediately after the original on the hard drive. FIXMBR copies this backup copy of the MBR to the MBR location. If you still cannot boot, repeat steps 1-3 above: 4. There is a utility on the install media called FIXBOOT.exe. on the command prompt, type FIXBOOT and press enter. When FIXMBR fails to restore the Master Boot Record, FIXBOOT will read the information of the install and rebuild the master boot record from scratch and install it on the first sector of the hard drive. It will also create the backup.
Done immediately after the bootstrap finds the operating system boot record?
What is done immediately after the bootstrap finds the operating system boot record? The BIOS reads the boot record into memory, and then passes control to it. The boot record looks on the hard disk for the kernel, or a loader program (depending upon the design of the operating system). If it can't find it, it prints an error message and then hangs, otherwise the kernel or loader is read into memory, and control is passed to it. The operating system then begins its initialisation process.
Can you boot a Windows setup program from a USB Flash drive?
You could boot it, but it would never get beyond the initial stages. The setup program looks for the CD after it starts so it can read the rest of the files. Since it does not know how to read a USB Flash drive, it will not find the files it is looking for and will fail.
Is there a way for a Windows XP machine to read an external hard drive formatted by Mac OS X?
Yes. There are several options for this:MacDrive - a commercial program that can read and write HFS+ volumes.Paragon HFS+ for Windows - similar to the above,Apple provides free read-only drivers via Boot Camp.HFSExplorer - A free read-only program
What is a BOOT directory?
/boot directory is where all the file to boot Linux are stored it include the kernel image , initial ram disk. This files are read by the boot loader at the boot time.
You install ubuntu 8.0 and winxp was already installed then in xp you formate the drive on which ubuntu was installed now you cant accsess your OS choice menu their is some error no 17 grub?
The GRUB bootloader gets it's menu off of the Ubuntu partition. Since you deleted the Ubuntu partition, it can't read the list or know what to do next. You have two options:1. Reinstall Ubuntu.2. Boot from the Window XP CD, access the Recovery Console, and runfdisk /mbrThis will rewrite the Master Boot Record, and shouldallow you to boot back into Windows.
What is the difference between read and write in computer programming?
A "Read" operation occurs when a computer program reads information from a computer file/table (e.g. to be displayed on a screen). The "read" operation gets information out of a file (some computer languages use the term "get" instead of "read"). After a "read", the information from the file/table is available to the computer program but none of the information that was read from the file/table is changed in any way. A "Write" operation occurs when a computer program adds new information, or changes existing information in a computer file/table. An example of a computer program adding new information to a file would be when a company adds a new hire's details into its employee master file. An example of a computer program changing existing information would be when a company updates its employee master file if an existing employee changes their address. In this example, since the employee already existed in the employee file, the computer program would have had to perform a "read" at some point, to get the information out of the file/table (a fundamental rule of computer programming is that you can't update a record in a file/table unless you perform a "read" operation to get a hold of that record in the first place). Either way, the "Write" operation is what puts information in to a file. Some computer languages use the terms "put" or "update", but these are both "write" operations in general IT terms. Bottom line: Read = get information. Write = add or change information. HTH
What stores the data which tells the computer how to load the operating system when it is switched on or rebooted?
A computer boots up by first running a program in Read Only Memory (ROM) that is built into the computer's motherboard. This program is called the Power-On Self Test (POST) and Basic Input/Output System (BIOS). After checking the hardware, the program consults a nonvolatile parameter memory (called "PRAM" or "CMOS" for historical reasons) that acts like Flash memory in that it can be changed but retains its information without power. From this parameter memory, the program in ROM decides where to look for the next step.Typically the next step is to read the first block ("boot block") off of the first hard drive into memory and run the program in it. Other options are to read the first block off the floppy, the CD-ROM, or from the network.In the hard drive situation, the program in the boot block figures out which disk partition is the active partition, loads the boot block from that partition into memory, and runs that program. This allows you to have different operating systems on different partitions and choose which one to run by changing active partitions.The second boot block program loads a more elaborate loader program from the disk, which in turn loads the operating system (finally!).Most PCs have a "BIOS screen" that you can get to by a key sequence (F1 or ESC) during the boot process. This BIOS screen allows you to change the nonvolatile parameter memory; however, it is possible to make changes that will keep your computer from booting, so be careful. For example, bad values in "RAM Timings" will cause serious problems.
What is a built in memory that can be read from but not written to?
(ROM) Read only memory. example boot manager.
How do you read Sam file?
sam file is located inside C:\ windows system 32 config folder ypu have to stop the file process by booting window with mini xp download hirenboot and burn it boot windows and install hiren boot (it is not an operating system its just like a layer over window ( no need to worry installing it) and then access sam file C:\ windows\system\32\config\sam open it on notepad
How do you format a hard disk on low level?
Important drive information (servo, sector layout, and defect management, etc.) is stored in the low-level format at the factory. This information is designed to last the life of the drive and therefore it is not possible to low level the drive outside the factory. Although some drive manufactures and BIOS provided so-called "low level format utilities", they actually perform a write-read verify of the drive's user data sectors, and do not actually perform a low-level format. In the event of a corrupted master boot record or boot block virus, use FDISK /MBR command to restore the master boot record and then high-level (normal) format the drive as usual. If you REALLY do need to low level format your hard drive then check the drive manufacturer and download such an utility from its website. Every drive manufacturer provides just such a utility.
