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silverhamm...
0
Votes
silverhammer  |  June 06, 2009 05:30 PM
1. Backup all your important data in case you're seeing the beginning of hardware failure that may soon result in complete system failure.

2. Download, install, patch and run at startup AVGFree and Spybot Search & Destroy.

Let me know in a private message if you need a "now what?" next step.

I hope someone can provide a solution for you. I know how frustrating it is. My last "mystery problem" resulted in me buying a Mac so I could do more work and less troubleshooting.
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winmaster
winmaster  |  June 06, 2009 07:00 PM
As I stated in my question, I have already run several malware scans, with one being AVG, and I have found nothing.
silverhamm...
silverhammer  |  June 07, 2009 05:59 PM
I'm sorry I missed that in your post.

I did a search for "windows welcome screen reboot problem" and found one user who reports it was a faulty memory module even though the Bios check passed.

http://techrepublic.com.com/5208-6230-0.html?forumID=101&threadID=233380&messageID=2350201

Another person on the same thread said their problem started after a power outtage. Suggesting to me that it's a hardware issue too.

On the following thread it also appears to be a hardware issue:

http://www.techsupportforum.com/microsoft-support/windows-xp-support/89929-windows-xp-keeps-rebooting-before-welcome-screen-can-only-get-into-safe-mode.html

To stop the reboot “loop”:

Control panel>system>advanced>settings (under startup and recovery)> uncheck the “automatically restart” box under “system failure”

But their problem turned out to be a driver issue that wasn't compatible with Zone Alarm.

The following thread had many sympathetic users attributing it to a bad power supply, IRQ conflict and (once again) hardware failure involving memory. One suggested the "repair" option (hit F8 during startup) but before I did that I'd take it to a shop and have my memory modules and power supply tested.

http://forums.bit-tech.net/showthread.php?t=56219

Good luck, let me know if anything I put down here for you inspired you to find the solution! :)
excellence...
1
Vote
excellence24  |  June 06, 2009 06:44 PM
1. Boot from a liveCD/USB

2. Access windows partition on hard drive

3.Save/backup what is needed to another hard drive

4. System restore

5. If that didn't work; format the hard drive
source(s):
experience, Backtrack3

voted helpful: stanar

Comment
winmaster
winmaster  |  June 06, 2009 07:02 PM
Ah, forgot to say that I had cleaned out my system restore points right before I began having the problem. Isn't that ironic?
stanar
0
Votes
stanar  |  June 12, 2009 08:17 PM
I would also do the same thing what @excellence said.

use knoppix and copy the whole drive to an external drive and do a clean install.

It is windows and this is the best solution for these kind of issues.

But after the clean install, please secure your system with proper AV and anti spyware and harden the box with a good fw.
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glance_tec...
0
Votes
glance_tech  |  December 17, 2009 10:51 AM
Follow the steps below to fix your problem:

Step 1
Honestly, by this point you do not need a Virus protection as you can not enter the windows operating system. I have repaired many computers with this situation and trust me, it is quite simple.

Step 2
When you turn on your computer, make sure that the fan in running in the very beginning. If it is a virus that attacked your computer, your fan will continue running without anything on the screen. Your fan is located in the back of the computer. That is where the power supply is at.

Step 3
If your fan is still running, you must reinstall your windows operating system. Please note, do not do this until you read my next article, "How to save your files from an unworking PC".

Step 4
If your fan is not running, then this is good news for now. You must turn off all the power from your computer. I recommend you unplug the power cord behind the PC. You are going to have to open your PC

Step 5
The other reason your computer might be turning off is because the computer is overheating. The CPU is not getting a lot of air flow, when you turn on the computer, and when it goes into the operating system, the PC temperature goes up high, that's why computers need fans. But what is causing the PC to over heat? Well, its DUST!!!

Step 6
Its time for a PC clean up. Get your paper towel and q-tips. Have your magnetic strip handy, or if you don't have a magnetic strip, touch the power supply to ground your self from any electromagnetic shock.

Step 7
Get your q-tips and clean the Dust off your CPU fan. The air is not going through to the CPU, that's why the computer shuts it self down, so that the computer would not catch on fire. Clean every hole on the computer case, make sure its clear for air to enter. Your CPU fan should look like the picture.

Step 8
Clean all dust off of the computer case. Once you are done, close the computer and plug everything back in. Start your PC is it should load up.

Step 9
If non of this worked, you must open the computer case again and make sure all the Divers are plug in securely. Many times a technician installs a new drive or RAM into your system and it wasn't properly installed. Your computer will not start. Make sure the RAMs are nicely secured in the PCI slot. Make sure the 2 white side handles are inserted correctly on the ram as shown on the picture. Close your case and start your computer. That should work.

Step 10
If that did not work, it may be your RAM or Motherboard. You must go buy a new motherboard or Ram. I suggest you take it to a technician to install the motherboard, but if you know how to install a new one, good for your. Remember to back up your data. Very Important.
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winmaster
winmaster  |  December 18, 2009 12:48 AM
Sorry, but I fixed the problem a long, long time ago, and without a reinstall. It was caused by a missing startup driver that was still referenced in the registry.
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