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When boot up PC, it prompt 'enter system disk'

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Do have anything plugged in like an mp3 player or e book reader or anything like that?

Posted on Mar 26, 2011

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Dell error Ox0000225


An unexpected error has occurred.
Boot selection failed because a required device is inaccessible.

how-to-fix-boot-error-0xc0000225.png
A general group of people will initiate a fresh install upfront. However, it is to inform you that the problem is not as severe as it seems. To recover from the situation, it would require a Windows installation disc, as you are already incapable to boot into Windows. Listed below are the possible solutions for this issue, depending upon the reason of its occurrence.
  • Rebuild Boot Configuration Data (BCD)
  • Configure Active Partition
  • Restore Master Boot Record (MBR)
Rebuild Boot Configuration Data (BCD)
The resolution is helpful, when your system is facing a spoiled Boot Configuration Data (BCD). In such a situation, it is recommended to rebuild this component of windows through command prompt. See below for a systematic procedure.
  • Insert Windows Installation Disk and Restart your computer
  • Select Time, Language, and click on the Next button
  • Click on the words stating Repair your computer in the lower left corner
  • Identify and access your system drive (For Example, C: D: E: etc.) and click Next
  • In the System Recovery Options box, choose Command Prompt
  • In the command prompt, type the command BOOTREC /REBUILDBCD and hit Enter
Configure Active Partition
The error 0xc0000225 may also result due to a wrong partition selected. The instance is that a user divides its storage device into several partitions. The BIOS must access the partition having system files on it (also called as System Drive). While accessing a wrong partition, it would end up in this issue.
  • Insert Windows Installation Disk and Restart your computer
  • Carry out the above given steps to reach System Recovery Options box
  • Among several system recovery options, choose Command Prompt
  • To set a correct partition, type the command line DISKPART and press Enter key
  • In the listed partitions, determine the one to be active and type following command line
  • SELECT PARTITION X (Let X be your desired active partition) and press Enter
  • Once the partition is selected, type the command line ACTIVE and then press Enter
  • Type QUIT and press enter to exit and then Restart the system
Restore Master Boot Record (MBR)
MBR is a boot sector containing information of logical partitions and file systems. An agitating MBR can also prevent you from normally booting into your Windows operating system. If this is the issue with your PC, try following steps to restore your MBR.
  • Insert Windows Installation disk and Restart your computer
  • Corry out the above given steps to reach System Recovery Options box
  • Among several system recovery options, choose Command Prompt
  • Enter the Diskpart and type the command line SELECT DISK 0 and press Enter
  • Now type LIST VOLUME and press Enter key to view a new list
  • Locate the CD/DVD-ROM under Type column and note down its letter under LTR column
  • Close Diskpart by typing Exit and pressing Enter.
  • Now access the CD Drive by typing F: and hitting Enter (Let F: be the CD/DVD-ROM letter)
  • Type and enter CD BOOT and then DIR to view the directory within the drive
  • Now type and enter BOOTSECT /NT60 SYS /MBR
  • Type Exit and press Enter
At the completion of process, you will see a success message saying, Bootcode was successfully updated on all targeted volumes. Now you must not have any issue while booting into your Operating system.
Fix Boot Error 0xc0000225 in Windows 7

Jul 07, 2014 | Dell Inspiron Computers & Internet

1 Answer

How to boot from usb flash drive


There are many good reasons for booting your computer from a USB drive. For instance, if you want to try out another operating system without disturbing the main hard drive on your computer, then installing the new OS on an external drive is a great way to run the system through its paces and decide whether you like it.

This approach will offer you the flexibility of being able to run both operating systems on your computer. However, before you can boot the new operating system from the USB drive, you will need to change the boot order for your computer in the system BIOS.

Connect the external USB drive or pen drive to the computer before you power it on. Press the "Delete" key as the computer performs the "Power On Self Test" (POST) to enter the BIOS area of the computer firmware. The POST performs a diagnostic of components on the motherboard and does a cursory check of the hard drive, memory and processor. The POST only lasts a few seconds; therefore, press the "Delete" key quickly. Enter the administrative BIOS password if prompted to do so. Once you enter the correct password, you will see the main BIOS screen. Use the right-arrow key to navigate to the "BOOT" menu option at the top of the screen, and press the "Enter" key. Press the down-arrow key until the cursor is on the "Boot Device Priority" label. Hit "Enter," and press the down-arrow key again to highlight the "1st Boot Device" option. Press the "+" or "-" keys to scroll through the available boot options until the "USB Drive" or "USB-HDD0" label is the highlighted option. Press the "F10" key to save changes and exit the BIOS setup program. When the computer restarts, wait for the "press any key to boot from external drive" prompt to display, and then press any key on the keyboard to boot from the USB drive. Award or Phoenix BIOS Connect the USB drive to the computer. Wait for the POST to display on the screen, and press the "Delete" key to enter the BIOS. Enter the BIOS password if prompted to do so. Tap the right-arrow key until the cursor is over the "BOOT" menu option. Press the "Enter" key. Press the down-arrow key until the highlighted cursor is on the "Removable Devices" option. Press the "+" key until the "Removable Devices" label is on the top of the boot device list. Press the "F10" key to save the changes for the boot order in the BIOS and to exit the utility. After the computer restarts, press any key on the keyboard to boot from the USB drive when prompted to do so.
also

Bootable USB guide, here we assume that you are using either Vista or Windows 7 to create a bootable USB.
1. Insert your USB (4GB+ preferable) stick to the system and backup all the data from the USB as we are going to format the USB to make it as bootable.

2. Open elevated Command Prompt. To do this, type in CMD in Start menu search field and hit Ctrl + Shift + Enter. Alternatively, navigate to Start > All programs >Accessories > right click on Command Prompt and select run as administrator.

3. When the Command Prompt opens, enter the following command:
DISKPART and hit enter.
LIST DISK and hit enter.
Once you enter the LIST DISK command, it will show the disk number of your USB drive. In the below image my USB drive disk no is Disk 1.

4. In this step you need to enter all the below commands one by one and hit enter. As these commands are self explanatory, you can easily guess what these commands do.
SELECT DISK 1 (Replace DISK 1 with your disk number)
CLEAN
CREATE PARTITION PRIMARY
SELECT PARTITION 1
ACTIVE
FORMAT FS=NTFS
(Format process may take few seconds)
ASSIGN
EXIT
Don't close the command prompt as we need to execute one more command at the next step. Just minimize it.

5. Insert your Windows DVD in the optical drive and note down the drive letter of the optical drive and USB media. Here I use "D" as my optical (DVD) drive letter and "H" as my USB drive letter.

6. Go back to command prompt and execute the following commands:
D:CD BOOT and hit enter. Where "D" is your DVD drive letter.
CD BOOT and hit enter to see the below message.
BOOTSECT.EXE/NT60 H:
(Where "H" is your USB drive letter)

7. Copy Windows DVD contents to USB.
You are done with your bootable USB. You can now use this bootable USB as bootable DVD on any computer that comes with USB boot feature (most of the current motherboards support this feature).
Note that this bootable USB guide will not work if you are trying to make a bootable USB on XP computer.

http://www.howtogeek.com/howto/16822/boot-from-a-usb-drive-even-if-your-bios-wont-let-you/ boot from a usb drive

Apr 16, 2013 | HP s3700y PC Desktop

1 Answer

OXOOOOOOA5 (OXOOO1OOOA OXOOOOOOOO,OXOOOOOOOO,OXOOOOOOOO)


This looks like the codes from a Blue Screen Of Death (BSOD). If so you will need a system disk to boot from and get to a dos command prompt (black screen with white writing) and type the following command:
chkdsk /r
Check Disk Repair will run for well over an hour and you will see the percentage of completion going from high to low but that is normal. Let it run to completion and then reboot.

In Windows XP to get to the dos command prompt boot from the system disk and when the options come up select Repair. Select 1 for the Windows Operating System and when it asks for the Administrator Password just press enter.

In Windows Vista to get to the dos command prompt boot from the system disk and when the options screen open you could try a startup repair. If it fails look the dos command at the bottom of the Recovery Console.

Mar 23, 2012 | eMachines ET1641-02w (PT.NA60X.001) PC...

1 Answer

Screen is saying, Disk Boot Failure, Insert System disk And Press Enter


Sounds like hard drive is going bad or just lost boot sectors, you need to put in your windows disk and follow prompts, or go to another computer and search for program called spin rite

Aug 18, 2011 | Compaq Presario sr1055cl PC Desktop

1 Answer

Corrupt missing C:\windows\system32\config\system no original windows xp oem disk cannot use recovery console cannot get to a c:/ prompt no floppies have cd rom bios does not support usb boot possiblity...


Your master boot record of the hard disk is damaged. I suppose you have access to CDROM through bios. But it is not clear from your question. Set CDROM as first boot device. Get a bootable CD & make sure that it contains fdisk utility. Boot from it & you will get a:\ prompt. at a:\prompt type fdisk/mbr & press enter. Your master boot record of hard disk will replace. Now you will be able to go to c:\ prompt. Use your your xp cd to recover your windows.
-sonsunny

Jul 14, 2011 | Dell Dimension 8250 PC Desktop

1 Answer

I have an Acer Aspire x1700 and it will not reboot, I cannot locate the reboot disk. How can you help?


Yuo need a lot of try and error to be successful.
First your OS and the BOOT disk that comes with your machine.But if you dont had the CD you need to buy and download it.
Store like Bestbuy,CompUSA,etc.. sell this CD,s or go to this LINK where you can buy it online and download it, choose your OS and any other specs about your System.
After all you need to BURN the files in a blank CD or order for mail shipment.

Then we going to BOOT the system id the CD drive.

To rebuild your hard drive, do the following:
  1. Power up your Acer system.
  2. When prompted (after memory testing completes), press CTRL + ALT + ESC to enter CMOS setup.
  3. At the CMOS Setup screen select Advanced BIOS Features
  4. Verify the Boot Options Sequence is set to the following order:
    1st [CD-ROM]
    2nd [Floppy Disk]
    3rd [Hard Disk]
  5. Insert the Acer System CD, DISK 1 in your CD-ROM drive.
  6. Press F10 to exit and save. When prompted, Do you want to save CMOS data?, select [Yes], then press ENTER.
  7. The system will reboot from the CD-ROM. After booting from the CD-ROM, you will see the Acer Hard Drive Rebuild options displayed.

    Note: Use your mouse for choice selections during the HDD recovery process. The mouse will respond slowly during this procedure, DO NOT press the Enter key. Pressing the Enter key will cause the HDD recovery process to terminate.
  8. Select HDD Full Rebuild and follow the on-screen instructions.
  9. When prompted to insert Acer Recovery CD, DISK 2, wait for the CD-ROM to eject DISK 1.
  10. Close the CD-ROM tray and click OK. The system will continue to rebuild the hard drive back to factory load.
After being prompted to remove disk and restart system the unit will load system software and hardware. During this process the system will reboot several times.
Your Microsoft Certificate of Authenticity (COA) ID number will automatically be entered for you. Should you need this number for any reason, look for your Microsoft Certificate of Authenticity (COA) ID number on the cover of your system.

"thumbs and post back!"

Oct 24, 2010 | Computers & Internet

1 Answer

Booting problem.....


if you still having booting problems, you can do this suggested steps:

Insert the Operating System CD before pc reboot

Try to boot to safe mode with command prompt by pressing F8 repeatedly , select "safe mode with command prompt " option then hit ENTER, then run this command ...

Then follow these guidelines:

Manual steps to run Chkdsk at the command prompt loadTOCNode(3, 'moreinformation');
  1. Click Start, and then Run.
  2. In Open, type cmd, and then press ENTER.
  3. Use one of the following procedures:
    • To run Chkdsk in read-only mode, at the command prompt, type chkdsk, and then press ENTER.
    • To repair errors without scanning the volume for bad sectors, at the command prompt, type chkdsk volume:/f, and then press ENTER.

      Note If one or more of the files on the hard disk are open, you will receive the following message: Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? (Y/N)Type Y, and then press ENTER to schedule the disk check, and then restart your computer to start the disk check.
    • To repair errors, locate bad sectors, and recover readable information, at the command prompt, type chkdsk volume:/r, and then press ENTER.

      Note If one or more of the files on the hard disk are open, you will receive the following message: Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? (Y/N)Type Y, and then press ENTER to schedule the disk check, and then restart your computer to start the disk check.
Hope this help...

Apr 18, 2010 | Lenovo IdeaPad Y510 Notebook

1 Answer

My hard drive burnt out. The hard drive test says failed and the operating system won't boot. I placed a leftover hard drive from my Playstation 3 into the laptop and now it says no operating system found....


Try the recovery console from a windows xp recovery/install disk:
To run the Recovery Console from the Windows XP startup disks or the Windows XP CD-ROM, follow these steps:
1.Insert the Windows XP startup disk into the floppy disk drive, or insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.
Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted.
2.When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
3.Select the operating system you want to repair (you may have only one option).
4.When you are prompted, type the Administrator password. If the administrator password is blank, just press ENTER.
5.At the command prompt, type the appropriate commands to diagnose and repair your Windows XP installation. From here I would try "chkdsk /r" and "fixboot"
For a list of commands that are available in Recovery Console, type recovery console commands or help at the command prompt, and then press ENTER.
For information about a specific command, type help commandname at the command prompt, and then press ENTER.
6.To exit the Recovery Console and restart the computer, type exit at the command prompt, and then press ENTER.
Once you've done this restart the computer and see if it boots up.

Apr 08, 2010 | HP Compaq Presario V6000T PC Notebook

1 Answer

I can't get my pc to boot up it just keepso staring over and over


You have done a mistake there after inserting the xp bootcd you will be prompted to press any key to enter into xp setup there you will get the steps how to recover. When it prompts for Repair press R key Then the repair process starts after some time your system will be restored.

Mar 16, 2009 | Computers & Internet

2 Answers

HP Desktop PC, won't boot even under safe mode


if the system was able to enter the desktop and restarts...once possible cause is a virus...scan the pc via safemode or reinstall windows.

but if it didn't enter the OS desktop...cause might be the boot loader or MBR is damage..

worth a try:

Run the Recovery Console from the Windows XP startup disks or the Windows XP CD-ROM, follow these steps:
1. Insert the Windows XP startup disk into the floppy disk drive, or insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.

Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted.
2. When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
3. If you have a dual-boot or multiple-boot computer, select the installation that you must access from the Recovery Console.
4. When you are prompted, type the Administrator password. If the administrator password is blank, just press ENTER.
5. At the command prompt, type this commands one at a time.

FIXMBR C:
FIXBOOT C:
COPY [CDDRIVE]:\I386\NTLDR C:\
COPY [CDDRIVE]:\I386\NTDETECT.COM C:\
BOOTCFG /rebuild


6. To exit the Recovery Console and restart the computer, type exit at the command prompt, and then press ENTER.



Feb 17, 2009 | Compaq (261671-001) Motherboard

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