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Remove all hardware accessories
Sometimes your computer won't start due to compatibility issues with a hardware accessory. If you have recently added a new hardware accessory, turn your computer off, remove all the accessories except the keyboard, mouse and monitor, and turn it back on.
If your computer starts successfully, add the hardware accessories one by one. Turn your computer off, again (after you add an accessory). If your computer fails to start, the hardware accessory you most recently added is the problem (maybe it's defective or incompatible with your computer or with another hardware accessory).
Remove it and contact the hardware vendor for support. Check the other hardware accessories as well.
If you have bought a new computer or a mobile device and it crashes all the time, take it back to the store and have it reexamined by experts. If they detect that a factory defect is the problem, they will provide you with a replacement.
If your computer started crashing after you had installed a new CPU, this could be a result of a poor application of thermal paste. .
Remove the heatsink carefully, clean the surface with a cotton ball and alcohol to remove the previously applied thermal paste, and reapply a new one.
The thermal compound fills the microscopic valleys on the surface of the CPU and heatsink in order to provide full contact between the two components (heatsink and CPU) and to decrease the CPU temperature.
This tutorial should help you if you are not sure how to apply thermal paste: Desktop: Laptop:
Note: Buy an UNPACKED thermal paste (compound) from a computer store.
Format your computer (Reinstall your OS)
To format your computer means to delete all the data you have on it (your photos, songs, software and etc.) and start from the beginning. This is a solution which you should apply when you run out of other alternatives, i.e. if a virus has made an irreversible damage to the OS (Windows or Mac), when an important file needed to the OS is missing and etc.
To format your computer you will need an original CD of your OS (Windows, Mac), and a solid knowledge of the format process (deleting the old OS, formating the partitions, installing the drivers and etc) and patience. This is not an easy task, and you shouldn't do it by yourself unless you are 100% sure.
If you are still willing to take the risk read this, in case if you get stuck (Windows users only)
Reinstall the Wireless Network Card Driver (Windows)
If you use a wireless network card on your desktop computer and your computer crashes, the culprit might be the wireless network card's (or Wireless PCI Adapter) driver.
This problem usually occurs if you haven't used the wireless network card in a while, or if it has been disabled for some time (via Network and Sharing Center) and you decided to re-enable it. Reinstalling the Wireless Network Card Driver will help.
Find the model number of the card (If you are not sure how, check out these solutions)
Download a "fresh" copy of the driver from the manufacturer's website (to learn how to find the appropriate driver, check out these solutions)
When your computer crashes and you see one of the following stop codes: Stop 0x000000ED (UNMOUNTABLE_BOOT_VOLUME) or Stop 0x0000007B (INACCESSIBLE_BOOT_DEVICE) the NTOSKRNL is confused. Either it cannot find the rest of itself, or it cannot read the file system at the location it believes it is stored.
When troubleshooting this error, your task is to find out why the Windows kernel is confused and fix the cause of the confusion. File system corruption might be the problem.
Insert the Windows installation disc. Launch the recovery console from the Windows installation disc and run the chkdsk /f /r command. It will detect if the File system is corrupted. If it is corrupted, run the Repair Windows option, which will replace the corrupted files with the original ones from the disk.
Note: if Windows doesn't boot, you can access the Windows installation disk by pressing F12 (F2 or F8), immediately after you restart or turn on the computer.
Restore your computer using "System Image Recovery" (Windows)
If you can't access Control Panel and you don't have a Windows installation disc or a system repair disc, follow these steps to restore your computer:
Restart your computer using the computer's power button. If your computer has only one operating system installed, hold down the F8 key as your computer starts. You need to press F8 before the Windows logo appears. If the Windows logo appears, try again (If it has more than one operating system installed, use the arrow keys to highlight Windows, and then press Enter)
In the Advanced Boot Options screen, use the arrow keys to highlight Repair your computer, and then press Enter
Select a keyboard layout, and then click Next
Select a username, type the password (if any), and then click OK.
On the System Recovery Options menu, click on System Image Recovery, and then follow the instructions.
If Windows still boots and you can access Control Panel, or if you want to restore your system image backup onto a different computer:
Start -> Control Panel -> Type Recovery in the search box -> Click Recovery.
If you use a Laptop make sure to plug the AC Adapter in.
Make sure to backup your PC so that you have a good backup image to rely on. For detailed step-by-step instructions click here.
Emoji is a small digital image or icon used to express an idea, emotion, etc., in electronic communication. Emoji keyboard allows you to choose from hundreds of emoji to use in your messages, emails, and more. You can find the Emoji keyboard in any application that uses the standard keyboard.
Unfortunately, this sometimes crash your iOS device as a result of a conflict between the Keyboard dictionary and the Emoji keyboard
All you need to do in order to fix this problem is to reset the keyboard dictionary.
Go to Settings -> General -> Reset -> Tap on Reset Keyboard Dictionary -> Tap Reset Dictionary to confirm
When your computer crashes and you see one of the following stop codes: STOP 0x0000007E (SYSTEM_THREAD_EXEPTION_NOT_HANDLED), STOP 0x0000008E (KERNEL_MODE_EXCEPTION_NOT_HANDLED) or STOP 0x000000EA (THREAD_STUCK_IN_DEVICE_DRIVER), a program running in the Kernel encountered an unexpected condition it could not recover from. They have identical troubleshooting and resolution steps.
Updating the BIOS to the latest available revision will solve the problem.
Check your BIOS version (Start menu -> type System information in the search programs and files box).
Go to the motherboard manufacturer's website and search for and download the latest BIOS update
DO NOT DOWNLOAD BIOSfrom other websites, because it may be corrupted, and if you install it, you may have to replace the BIOS chip on the motherboard to repair your computer
Run the BIOS updater (in Windows) you downloaded from the manufacturer's website and click on Update/Flash/Run (or something similar) button.
Once you've done that, all that you have to do is relax and watch your BIOS getting updated.
Note: Updating the BIOS is not a very complex process which requires your full attention and care. Also, a power failure during the update process can corrupt the BIOS and make your computer unusable, until you have the BIOS chip replaced.
If you use a laptop, connect it to the AC adapter.