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Boot loop at startup resulting from forced stop

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Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm
Testing & replacing the PC's power supply
http://www.youtube.com/watch?v=hbNxhvm0czs
One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.
Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs.
Allow the pins to dry.
They will air dry in a matter of minutes.
If reseating the memory did not resolve the issue try swapping the location of the memory.
If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.
Mixing tin and gold can result in corrosion that prevents proper contact.
Look for any sign of physical damage to the memory module, memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Might be getting hot
Check you CPU make sure its securely seated and has thermal grease
http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490
CAPACATORS
Identifying bad capacitors
http://www.youtube.com/watch?v=ngA4k32jLGc
Capacitor replacement
http://www.youtube.com/watch?v=s0Pn2tEjY04
How to check a capacitor
http://www.youtube.com/watch?v=U4tnHA0phcc

Posted on May 10, 2013

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Posted on Jan 02, 2017

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benwabnick
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SOURCE: STARTUP IS IN A LOOP, THEN:STOP:c000021a

Press F11 when you turn on the computer to try to get it to go into the factory restore.

If this doesn't work then you'll need the recovery disks to wipe out the drive and get the system back to factory defaults.

If you use the discs and they error out on you then the hard drive is bad and would need to be replaced then use the discs again to restore the system back to factory defaults.

Posted on Jan 01, 2010

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My laptop is an A215-S4747 and it keeps running startup repair but then says it can't fix it, what do I do


try this...Fix #1: Boot into Safe Mode
  1. Insert the disc and reboot the system.
  2. Press any key to boot from the DVD.
  3. Choose your keyboard layout.
  4. Click Repair your computer at the Install now screen.
  5. Click Troubleshoot.
  6. Click Advanced options.
  7. Click Startup Settings.
  8. Click Restart.
More items...

Startup Repair Infinite Loop: Fix for Windows Vista, 7, 8, 8.1

https://neosmart.net/wiki/startup-repair-infinite-loop/...or goto this link. https://www.google.co.uk/webhp?sourceid=chrome-instant&rlz=1C1CHBD_en-GBGB719GB719&ion=1&espv=2&ie=UTF-8#q=laptop%20it%20keeps%20running%20startup%20repair

Dec 11, 2016 | Computers & Internet

3 Answers

My 7750 stuck in boot loop


You should try to remove all usb devices from your computer. Just have the charger plugged in nothing else, if it is still not working you can try one of those windows startup disks.

Jul 27, 2016 | Computers & Internet

1 Answer

How do I repair a system that boots to the Windows 7 logo and then reboots itself a second time?


I agree (in part) with "map9966's" answer, but instead of trying to blindly load the "last known good configuration", You really should try the Windows Startup Repair option. This option should also be located in the "safe mode" menu, which again access by repeatedly pressing F8 right after turning on the PC. Once you get to the menu stop pressing F8.

Using the arrow keys on your keyboard, highlight the choice which reads (something to the effect of) "startup repair". The PC then *should* "boot" to the start up repair mode. This mode is an automatic utility, and can take anywhere from 15 minutes to an hour, depending on the speed of your PC, the severity of file system damage and the underlying cause of your start-up loop. Let the utility finish, (again, this WILL take awhile.. go have yourself a snack, take a walk, watch some TV..) Once it's done, restart the PC.

In most circumstances (assuming the start-up loop isn't due to a hardware failure), your PC should boot up just fine. If you have any further questions, feel free to contact me!

Sep 14, 2014 | Gigabyte GA-MA78GM-S2H (rev.1.0)...

1 Answer

Hp mini 210-1041nr does not boot up. Keeps looping art startup to did not start succesfully


Remove ALL media, DVD,CD,USB, unplug, remove battery, plug in , push the on/off button and immediately and repeatedly tap F-11 and restore to a date before this issue or a full recovery OR Boot to Safe Mode with Networking and download MALWAREBYTES at : http://www.filehippo.com/download_malwarebytes_anti_malware/ In the install UNCHECK the TRIAL PRO version, you want the freeware version. Run a FULL Scan, Delete ALL results, reboot. More info at HP Support: http://h20000.www2.hp.com/bizsupport/TechSupport/SupportTaskIndex.jsp?lang=en&cc=us&taskId=110&prodSeriesId=4075896&prodTypeId=321957&supportTaskId=22882

Feb 08, 2013 | HEWLETT-PACKARD Hewlett Packard HP Black...

1 Answer

My file manager has been stuck in n an unzip loop for an hour and none of the top keys are responding to interrupt or stop it. what can i do to stop it and unzip the file?.


Seems you already tried and filled the keyboard buffer as in you are not able to go to task manager or use CTRL-ALT-DEL. Most likely it is a loop and will never come out of it. Instead of pulling the SD card out I will try to force power cycle by pressing the power button for few seconds. Before it power cycles take the card out and let it boot.

Just my 2c based on information you provided. Good Luck!!

Jan 07, 2013 | Computers & Internet

1 Answer

Icant log in my computer.when log in,with in few seconds it logging off automatically


If running XP

A log-on loop on your Windows XP computer is a difficult situation where the computer never completes its boot cycle, restarting intermittently ad nauseam.


This issue indicates a major problem with the boot functionality of your XP system.

Restore the computer to working order by utilizing the repair and restoration utility on your XP system disk.

Insert the XP disk into the computer.


Restart the computer.

Press any key when prompted to boot from the disk.

Press "Enter" at the first screen and "F8" at the license terms.


Highlight the drive containing XP and press "R," repairing the operating system boot files and removing the log-on loop.

or

Windows XP sometimes has a glitch when you are logging in to your user account in order to boot the operating system.

The glitch logs you in and then logs you off the account.


This problem is usually caused by one of the programs that load during the computer's start-up.

Fixing this issue is a matter of ensuring that whatever program is causing the problem doesn't start up as soon as you start your computer.

or


Power on the computer and allow it to get to the user logon page normally.

There is no need to start up the computer in "safe mode."


Click the user who is having the issue and type in the user's password if one is set up.

Press and hold the "shift" button on your computer keyboard as soon as you see the tool bar load up at the bottom of the screen but before any other program has a chance to do so.


This stops any "Startup" program from running and logging you off.


Right-click the "Start" button on the bottom left of your screen.


Select "Explore" from the menu that appears.


Double-click "Programs" from the list on the left side of the window that pops up.


Double-click "Startup."


Select all the files inside the "Startup" folder by dragging a box over them.


Right-click anywhere on the selected files.


Select "Delete" to delete those files.


Note that deleting the programs from the "Startup" folder does not delete them from your computer.


All this does is make it so that these programs no longer start as your computer is starting so that any error in the running of the programs doesn't interfere with logging in to your account.


Hope this helps








Nov 13, 2012 | Dell OptiPlex 760 MT Desktop Computer

1 Answer

Toshiba laptop restarting


The loop on your Toshiba Satellite laptop refers to the computer not booting properly.

During the loop, the computer will try to boot the Windows operating system and keep restarting over and over again.


This is not a hardware issue with your Toshiba Satellite A106.

The issue resides in the startup files on your computer's hard drive.


You can fix this by running a repair tool that comes with your Windows operating system.

This repair tool will fix your startup disk and allow you to get your computer back up and running.


Insert your Windows 7 installation disc into your computer's optical drive.


Start your computer and wait for it to boot from the install disc.


Choose your language from the menu and then click the "Next" button.


Click "Repair your computer" from the menu.


Choose the operating system you are using and then click the "Next" button.


Click on the "Disable Automatic Restart On System Failure" button to disable the startup loop.


Click the "Startup Repair" tool from the menu and wait for the computer to fix your startup disk.


Wait for the computer to finish repairing your startup disk and then allow it to restart automatically.


Wait for the computer to boot correctly to your login screen.


Hope this helps


How to Create a Windows 7 System Repair Disc:


http://www.sevenforums.com/tutorials/2083-system-repair-disc-create.html


"This will show you how to create a Windows 7 system repair disc to use to boot to the system recovery options if you don't have a Windows installation disc, can't find your


Windows installation disc, or can't access the recovery options provided by your computer manufacturer."

or
If you do not have access to either disc: Windows 7 - Repair Disc download
http://neosmart.net/blog/2009/windows-7-system-repair-discs/

Oct 23, 2012 | Toshiba Satellite M35X-S311 Notebook

1 Answer

I have a dell 5100 desktop. I want to reinstall windows, but it keeps looping back to set up installation. Please advise


Go into your Bios/Setup, or Boot Menu, at startup, and change the Boot Order to make the DVD/CD drive 1st in the Boot Order, then reboot with the disk in the Drive.


At startup/power on you should see at the bottom of the screen either F2 or DELETE, to go into Bios/Setup, or F12 for the Boot Menu.


When you have changed that, insert that Bootable Disk you have made in the Drive, and reboot.


http://www.bleepingcomputer.com/tutorials/tutorial148.html

Oct 24, 2010 | Dell Computers & Internet

1 Answer

I've been building computers since 1992. Never saw this. My EVGA MB is in a BIOS loop. Boot .. beep .. EVGA Splash ... -Reboot automatically- Beep ... EVGA Spash ... -Reboot automatically. It's like a...


Turn the computer off.
Hold DOWN the "any" key.
Turn the computer on.
When you see "keyboard error. Press Fxx to enter BIOS SETUP", RELEASE the "any" key, and press the 'Fxx' key.
While in setup, change the boot-order to "floppy-first".
Then, everytime that you boot, your motherboard will "grind" the 3.5-inch disk, looking for a boot-sector.
If it DOES "grind", then BIOS-loading has completed, and there's something wrong with the boot-sector on either the CD-ROM or the disk-drive, i.e., Windows "crashes" during startup, and reboots itself.

Or, press F8 when you think that your computer is booting from the disk-drive, to enter the "Windows boot menu". Try "Boot In Safe Mode".


Feb 03, 2010 | Evga MB 115-K8-NF33-AX NF3-250 754...

2 Answers

Laptop goes into loop upon startup...


How did you manually configure it to go into safe mode? Did you edit boot.ini? if so try editing this back to normal. You could try hitting F8 on startup and doing a different Safe Mode startup to break the loop. From there you may be able to get it stable enough.

Another option would be to make a Bart PE boot disk and use that to edit Boot.ini

Dec 17, 2009 | IBM ThinkPad T42 Notebook

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