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Continuous Reboot before logon

By Tex1Nana ·
With Windows XP Service Pack 2, the system is rebooting before logon. I can get into the bios, but that is all. Anything else results in the reboot of the system. What can I do? We do not want to lose the data on the hard drive.

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by ReWrite In reply to Continuous Reboot before ...

Can you launch the system in safe mode and disable system reboot? Follow these steps:

http://pcsupport.about.com/od/pcmaintenance/qt/rebootbreakout.htm

Cheers.

RW

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by Tex1Nana In reply to

Poster rated this answer.

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by Tex1Nana In reply to Continuous Reboot before ...

Notice that it reboots BEFORE the logon screen! The Windows XP screen comes up then a flash of a blue screen and back to rebooting. It will not boot into SafeMode, SafeMode with Networking, SafeMode with DOS Prompt or Last Known Good. It will not bootup to anything but the continuous reboot with selecting an option that does not work. It just keeps rebooting.

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by Tex1Nana In reply to Continuous Reboot before ...

Notice that it reboots BEFORE the logon screen! The Windows XP screen comes up then a flash of a blue screen and back to rebooting. It will not boot into SafeMode, SafeMode with Networking, SafeMode with DOS Prompt or Last Known Good. It will not bootup to anything but the continuous reboot with selecting an option that does not work. It just keeps rebooting.

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by willcomp In reply to

Link addresses known hardware and driver issues that cause behavior you described.

However; in most cases, these are not the cause and ReWrite is correct about actions to take then.

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by ReWrite In reply to Continuous Reboot before ...

This problem seems to occur frequently. Unfortunately, there is no single known method to fix it because it could be a number of things from hardware errors to viruses to corrupt registry settings. You can start by unplugging any hardware not required to boot. Leave only the hard drive, video card, keyboard and mouse. Try booting. If it works then start adding items back in one at a time until you find the problem.

The next thing you could try is a repair install.
This should keep all of your current data/apps intact. Follow the instructions here:

http://www.michaelstevenstech.com/XPrepairinstall.htm

Lastly is the full install. You can retain you data but you will need to reinstall all of your apps. To do this, install a new copy of winxp to a different directory. If xp is currently installed in c:\windows then install a new copy to c:\windows2.

Other than this you could reformat and do a fresh install but you would then lose all data currently on the hard drive.

Cheers.

RW

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by Jaqui In reply to Continuous Reboot before ...

since by posting here it's obvious you have one system at least working.
pull the hd from the one not working, plug it into one that is, as slave drive.
copy data onto working system
reinstall drive in other system ( original )
format and reinstall.

data saved, conflict causing problem gone.

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I'm also experiencing the same issue...

by acupalypse In reply to

guys,
i've been seeing the same problem with my pc. I've noticed that whenever I turn off the power supply where my pc is connected, without properly shutting down XP, the problem happens, i.e. XP continually reboots before the logon screen apprears. I couldn't even get into safe mode. There's no fastest way but to reinstall my OS. This wasn't the case before as even how hard I tried to improperly shutdown XP, this issue wasn't happening until just recently. I'm not sure if i'm facing a possible hardware issue or something...please advise.

Thanks!

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things to try before CG wakes up

by sgt_shultz In reply to I'm also experiencing the ...

You can always get your data off by removing the disk from the computer putting it in a friends as a second drive and doing the steps below after you have copied all the stuff off.
I am throwing out of lot of stuff - i kinda rely on others to come in and comment and clarify if they think we are onto something. have to go to work so sorry can't do more than spill thoughts.
have you unplugged all peripherals that you can? usb devices especially.
If nothing changed except you lost power, it sound like a corrupt file. so you might try defrag and file system maint/repair from the recovery console (see sugg. 2 below)
1. If this is xpsp2 don't you see 'turn off system reboot upon error' at the black boot screen where you pick safe mode?
this is what these guys are trying to get you do set. once you do, you'll reboot and it SHOULD freeze at the blue screen error.
Google 'blue screen error' and you will see examples of the info we need from it.

2. Use your xp installation cd to install the recovery console and use it to defrag your hard drives. Use the recovery console to restore to a previous saved point. The directions are at support.microsoft.com or perhaps someone will go get the link for you if you are up for this route.
2. Boot from the xp installation cd and do a 'rescue' install (install xp in a folder different from the one setup suggests). a rescue install is more powerful than recovery console and will let you edit the registry etc. is it possible once you see the bsod error you will need to do this step anyhow.

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