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Do you have the proper Sony drivers for it? Get them all at the Sony website. Reinstall like this: Use a disk wiping tool to clean the entire Hard drive before installing anything on it again Wipe drive is a good one to use. After the disk is totally cleaned, Install windows xp. You can use the quick format for the drive when windows ask to format if you like. Then follow all of the windows prompts to install the OS. After its finished installing and you get the desktop up don't install all the drivers you downloaded from the Sony site, if you do it will mess things up! Install ONLY the missing ones. Go to Start, right click on my computer, select manage. Then click on device manager, open each menu and see which drivers are still missing (look for yellow question marks) install only the missing drivers. Many times you download 20 drivers but you may only use 4 or 5. After all are installed reboot and it should work fine. NOTE: Sony drivers like all other ones are not identified as to their use, just given weird numbers. When downloading them they are listed under each category like audio, mouse, etc, but after you get them you still won't know which one does what. I download one at a time then rename it adding the function to the last part of the name so I know what its for and I can easily get the driver I need, when I need it.
I hope that you stored the download on something else. If you wipe that drive it will erase the download. Anyway you need to get a boot disk to load first and then try the install. Hirons boot disk. Look here: http://www.hirensbootcd.org/download/ dont click on the advertising.
what os did you have before, and what os do you have now? because the problem could be that if you went from xp to 7 or vista or vice versa, they use different programs to boot, but unless you did a complete hard drive wipe, both boot programs will still be there and interfere with each other. so if you did a clean install, your going to have to do again, but this time your going to do a complete hard drive wipe before installing the os. if you upgraded from xp to 7, then try using the start up repair, it should come up if your os doesn't boot up, or if it doesn't come up, then try inserting the cd, it should appear there. if you need further assistance, let me know, and goodluck.
If it is a bad virus that won't let you do anything on the computer, follow the instructions on this link. If you can install programs on your computer, follow only steps 7 and 8 from the above link.
If you still want to restore it to factory settings, you will need the restoration CD/DVD that came with the laptop, put it in the drive and boot from it to start the restoration to factory settings. If you don't have the restoration disc, you will need a Windows installation disc to install a clean copy of Windows and wipe the HDD. Same process, put disc in and boot from it then follow the instructions for Windows installation (you will need the drivers disc though).
You need to enter the bios when the computer turns on and configure the boot priority to boot from wherever you need it to for the Restore DVD. Then Save your changes and exit, now it should boot from the Restore DVD.
To enter BIOS it should tell you what button to press as the computer POST's, if not Google it, or try all the function keys.
You have to make sure when going through the setup (if given the option) to install a clean copy and not install windows to another directory. If you have access to a floppy disk drive an easier way would to be to create a dos boot disk and reformat your c:drive. Make sure you do not have any data on this laptop you want to save. If that does not work you can try to get a DOS program called FDISK. It will wipe out the hard drive partitions so that you can reload your laptop from scratch. Let us know how it goes.
You cannot install Windows XP over WIndows Vista. Microsoft has put a lock on the Vista software and will not allow you to downgrade to a lower software. The only way you can do it is to wipe your hard drive completely clean first with a disk deleting software or with the command "fdisk" at the DOS prompt. However, this is dangerous and I do not recommend it unless you have someone professionally trained to do it. It will wipe everything off of your disk and then you can load Windows XP.
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