I was given a sony vaio by my sister when u turn it on it asks if i would like to start normally last known safe mode safe networking etc. no matter what mode i try to run windows in it directs me to page that says unmountable boot volume the stop error number is 0x000000ED (0x86D839E0,0x000009c,0x0000000,0x00000000 what steps to you recommend i tale next to correct this problem?
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First, boot intoSafeMode (Repeatedly tap the F8 key while the system is booting, before the windows logo appears) A Menu will pop up, press Boot Into Safe Mode. From there you can try aSystemRestoreto a known good date.
System Restore -ClickStart -> Control Panel -> On the top right, type "System Restore" without the quotes. Click on "Restore system files and settings from a restore point". You can choose the recommended restore or a specific date.
The other option is to boot into "Last Known Good Configuration". To do this, use the F8 trick again while booting, but instead of Safe Mode choose "Last Known Good Configuration".
Please note that either of these run a risk of somedatabeing lost from the time the restore point was made. You "shouldn't" lose anything but just want to make you aware.
Try go into BIOS by hitting the DEL key or F1 or F2 as you start and go to save Cmos config. then reboot.
The other approach is Last known Good config is the best. This can be brought up after presing power button then by tapping F8 till screen apears.. Select Last known Good Config
Also you can do the steps to get to the recovery console and type CHKDSK /R and it will run the disk checker program to fix what files it can. This has helped me fix numerous disks. It does not work 100% all the time, but hey 90% isn't too shabby. While it runs it will start counting up % completed, however it may jump backwards a few times. Do not get alarmed this is the computers way of trying to go back and fix corrupted files.
If you get it back running, make a backup of your files. What happened is the worst thing that can happen for hard drives and that is power interuption during a write operation. When that happens files get corrupted. Sometimes hard drives will prematurely fail because of this.
reinstall the OS ! Just overrite it over the previouse xp so u won;t lose data ...
..most probably u are missing some files ... .. or u have virusez issues. Ofecourse there is the posibility of hardware mallfunction, but considering microsofts reputation ... probably thats not the issue ...
Try booting XP with the installation CD & use the recovery console to boot the laptop.
From the Setup CD-ROM
Insert the Setup compact disc (CD) and restart the computer. If prompted, select any options required to boot from the CD. When the text-based part of Setup begins, follow the prompts; choose the repair or recover option by pressing R. If you have a dual-boot or multiple-boot system, choose the installation that you need to access from the Recovery Console. When prompted, type the Administrator password. At the system prompt, type Recovery Console commands; type help for a list of commands, or help commandname for help on a specific command.
To exit the Recovery Console and restart the computer, type exit.
When your computer is rebooting, push the F8 key. It will change your start up options and you will see disable automatic reboot on system failure. You can they see the error and continue research on the problem.
what has happened is your hard drive as failed and that is why it shut down and then gave the unmountable boot volume.
You could try repairing windows using your XP cd but it's a new hard drive i recon.