Reboot loop after restart

By wesley.chin ·
After rebooting, the windows splash screen appears, screen is black, and then the computer reboots again. This sequence repeats indefinitely. At one point, manually enter safe mode, schedule a disk check, reboot and then boot normally. But then the reboot sequence starts again after restarting.

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This can be caused by failing hardware

by OH Smeg Moderator In reply to Reboot loop after restart

Or Corrupted Software.

You first need to rule out a Hardware Failure so I would suggest the Ultimate Boot CD available free here

Download the ISO for this and burn to CD then go tot he affected computer insert into the Optical Drive and reset the Boot Order to Optical Drive before HDD and then boot the system.

I start off with RAM Tests followed by CPU then HDD and finally Video but you can use whatever you like. Of course if you get errors whatever you are currently testing needs attention.

However if the Tests Pass OK then you have to start looking at a Repair Install of your OS.


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by wesley.chin In reply to This can be caused by fai ...

I had thought of a repair install too. But the XP CD has no service packs, whereas the installed XP has SP3. In this case, would it be a repair install be doable? I know IE definitely will not work, other than that, will everything else be reinstalled properly?

Also, how would a repair install differ from "sfc /scannow" with the XP CD?

Since the problem appeared, I have had the user hibernate his machine, which he is not accustomed to.

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While you will have to apply

by OH Smeg Moderator In reply to Reply

Any Service Packs and Hot Fixes that where released after your Install Disc it will work OK.

But like anything with Windows you should have a working Backup of your Data & Settings before beginning.


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by wesley.chin In reply to While you will have to ap ...

Backups I most definitely have.

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Registry error?

by oldbaritone In reply to Reboot loop after restart

Did the user monkey around with REGEDIT? I've seen many a user create these symptoms when they deleted or changed some key improperly.

Oh, of course not. How silly of me for asking. I know the user said "No, I never did that..."


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Thought had occurred to me.

by wesley.chin In reply to Registry error?

But I don't think the user has the ability or inclination to monkey around with the registry. Or even knows how to access the registry.

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Fingers crossed

by wesley.chin In reply to Thought had occurred to m ...

I far has been up and running. Does not appear to be a hardware failure. At this point, how many days should I wait before deciding the problem is gone? Right now, the OS is bare bones, with just programs the OS shipped with.

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by AnsuGisalas In reply to Fingers crossed

one thing to make sure of is that you have all the drivers and firmware for all components installed...
if there's a hardware issue in a component, it's not always apparent until it's put to full use.
I had one like that... I still haven't found the root cause, I'm thinking an onboard component, either network or sound, was fried.

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by Jellimonsta In reply to Reboot loop after restart

It sounds like error recovery is set to automatically reboot. Uncheck that option so you can see the errors that are causing the reboots.

Right-click My Computer, and then click Properties.
Click the Advanced tab.
Under Startup and Recovery, click Settings to open the Startup and Recovery dialog box.
Clear the Automatically restart check box, and click OK the necessary number of times.
Restart your computer for the settings to take effect.

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by TobiF In reply to Recovery

Your tip can be very useful for the future, provided that OP manages to get out of the current situation. (Try right-clicking "My computer" if the boot never reaches the desktop interface :) )

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