Windows 7 infinite reboot loop problem. SO FRUSTRATED.

marmalademan

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So I decided I wanted to try Microsoft Security Essentials for some reason. I uninstalled Avast and all traces of it. I installed MSE and everything went smoothly. I noticed it was setup to automatically scan every Sun. night. I left it that way. Monday morning I wake up to the infinite reboot. Because of the aforementioned I am 95% sure it is software related, but maybe that is because I don't want to spend money on new hardware right now.

I've tried every safe mode. I've tried to load the last known good config. I tried to repair with my Win 7 disc, but it always restarts itself before I can get anything done. I also tried system restore and also reformatting with the disc, but I get no more than a minute once I've started the computer. I've also tried scheduling memory and system checks at startup but they never get a chance to run.

AHHHHHHH. HELLLLLLLP! I know I need some logs, but I'm not even sure how to get to them.

My system:
Win 7
i5 2.67 ghz
hitachi 500gb hd
4gb dd3
gtx 560ti
 
Solution
I'm going to have to agree with MotherFerJones. Something in the hardware needs to be replaced. All things point to the MOBO, but I can still be mistaken. Possibly grabbing a PSU from a friends computer or another that you have temporarily might be the solution to make sure that isn't the problem, because we still haven't ruled out the PSU. The thing is we cannot be sure what exactly needs to be replaced without actually replacing the item first, and seeing if then the system works.

I would say: Try to replace the MOBO and test. Try to replace PSU and test. If you cannot do that then, I would try to buy a MOBO and replace to see if it works. IF not a then a PSU and try that. Hopefully you can buy from somewhere that has a nice return...

powercroat783

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Can you describe the reboot a little more? Does it reboot once you have logged in, at the login screen or before you even get to it? Does Windows respond with successfully shutting down or does the screen go black and the next thing you see is a POST screen?

Have you ran a memtest or tried to test the HDD or use a different HDD?
 

marmalademan

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I usually get as far as booting into safe mode or regular mode before it restarts. The screen just goes black, the computer shuts off, then restarts after 2 seconds.

When I tried to do a system restore and a reformat/reinstall it restarts very quickly after beginning each process.

I don't know how to run a memtest without getting into windows. I did try to schedule a memtest, but I don't believe it ever gets a chance to run. I don't have any spare HD's lying around.
 

MotherFerJones

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do a google search for memtestx86, its an image download that when burned onto a dvd/cd becomes a bootable disc to run memory tests. All you have to do once you've burned it to the disc is to set the bios to boot from it, restart your computer, and let the magic begin.
 

powercroat783

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Are you sure all the power cables are plugged in properly?

Another possibility is the compute possibly restarting due to overheating? Make sure that heat-sink is seated properly on the CPU. Usually it just shuts down and doesn't restart but possibly.

Can you also say what type of Mobo and PSU you have.
 

marmalademan

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ASrock (p55 extreme or something like that)
sunbeam (680 watt i think)

Both will be three years old in Jan. Never had a problem with either. I will try the memtest when I get home. My computer is 64bit, will I need a memtestx64?
 

powercroat783

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I would recommend getting the Ultimate Boot CD.

http://www.ultimatebootcd.com/download.html

Boot into it from the BIOS and it should bring up a menu. Under memory you should find a program called memtest86+. Works well and puts the CPU under a bit of stress as well. If it doesn't work well chances are we have a hardware problem, and eliminates it from being a software problem. Hopefully you know a computer you can use to download and create the C.D.

I have never used a Hitachi HDD so I could be mistaken but this download link:

www.hgst.com/hdd/support/downloads/ftool_215.iso

should give you a C.D. that you can boot into to test your HDD. If the memtest goes well.
 

marmalademan

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Well it got maybe halfway done with the memtest and the reboots started. Does that mean it's hardware? I just feel like it has to be software since I installed MSE and had a virus check done right before it started rebooting itself.
 
Set the bios to boot the CD DVD drive first
Put the win 7 disk in the drive start the computer
select upgrade
this will reload the operating system without erasing your personal files and programs.
More than likely, it will be fixed I think.

Stop loading free programs into your computer.
The solution is the original win 7 disk. Not junk from internet.
 

From what you are saying I would conclude that it is indeed hardware related and has nothing at all to do with MSE. First if you did a reformat and started a reinstall then all traces of MSE were already gone witch would rule that out anyway. If I read correctly it also rebooted during a memtest86 scan? If that is the case then you are looking at hardware problems. I would look at the memory or PSU as a possible problem.
 

powercroat783

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I would have to agree with byronhowley. The timing of the install must be a coincidence, considering that booting things that are non-windows and still getting the restart error. This rules out a HDD error as well, considering it is ignored during the memtest. At this point it is either the CPU, RAM, MOBO or PSU. That is causing the problem. I would ask that you double check that all power connectors are in, including the big MOBO power and the 8 pins or two seperate 4 pin for the CPU. Also, do you have a reset switch on the Mobo? could something possibly be pressing it constantly? The wires for the reset button on the case, could something possibly be shorting those causing the reset command to fire?

Edit: Also try clearing the BIOS and possibly flash the BIOS, if the before mentioned turns up nothing.
 

marmalademan

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Anyone know of a good tutorial/site for diagnosing hardware issues if you can hardly use the computer? I don't have any spare parts lying around. I could probably borrow my buddies psu for a minute.
 

marmalademan

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So I checked all my connections. Everything seemed fine. I booted up for the heck of it and completed a full memtest. No errors were found. I'm doing a startup repair right now. It checked for errors, asked me if I wanted to do a sys restore. I clicked no and now it's attempting repairs. Anyway the thing has been on for well over ten minutes now. I am tempted to cancel repairs and try a normal boot.
 

marmalademan

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Well my computer was almost fully loaded, then it crashed. Again. Son of a. The restore was right before I got rid of Avast so I guess it has to be hardware. I passed the memtest, so it's not my memory correct?
 

powercroat783

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Crashed or just restarted again? And from the looks of it yes, the CPU, the memory and motherboard and PSU are presumably working like normal. Does your case have a button that's used for resetting the computer? I would like to know if it perhaps shorts, disconnect it and see if the computer restarts again.
 

marmalademan

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I disconnected the reset switch. The computer fully loaded and has been on for over five minutes. Unfortunately it's been searching for two usb receiver drivers the whole time which doesn't make any sense because my keyboard/mouse usb receivers are in the same ports they were in. It's also running slow. I'm going to go grab a bite to eat, hopefully it's still running when I get back.
 

powercroat783

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It's quite possibly either the PSU or still possibly somewhere on the MOBO (that is beyond our ability to fix) there is a spot where it is shorting (on the board itself) to be my best guess. There wouldn't be a way for you to possibly borrow a PSU and/or a MOBO? And test to see if it works with the replacements? (Do one at a time, not both).
 

marmalademan

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I'm not going to be able to borrow any hardware unfortunately, might be time to buy some.

I took my pc into the local computer repair shop. The guy plugged it in and turned it on. It started up and ran for 10 minutes. It never shut itself off, but it did run very slowly. 1080p youtube videos played fine. He tried to start speedfan and the program came up but it never loaded after two minutes.

Instead of leaving my computer and fifty bucks with them to figure it out I came home and plugged my computer in a different room. It got to the desktop and shutdown before everything loaded.
 

powercroat783

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Is the timing of the restarts very inconsistent? I don't think your computer may have had enough time at the computer repair store to trigger restart perhaps... Also does the restart happen quicker after you have had the computer on recently? (relatively)