Computer cannot boot is really annoying and troublesome thing. If you cannot boot into system , you can not access data on your hard drive. But the boot failure is not a serious problem. You can try to find the causes and try to fix the problem.
What are the steps to troubleshoot the cannot boot computer?
First ,you need to check the battery. If you use a laptop, you should check if it has run out of the battery. And then you can connect the charger cable to laptop to see if you can boot your computer. If not, you can try this cable on other computer. If still not, you can remove the battery from the computer which cannot boot. In this way, you are able to know which are the fault for your cannot boot problem.
Second, check if you can boot to the command prompt screen. If your computer cannot boot correctly, you can check if you can boot your computer to command prompt screen so that you can troubleshoot the problems. If you have a bootable disk, you can use it to fix the boot problems. Enter BIOS screen and choose Boot tab. In the boot settings, you can choose to boot from CD drives, or other bootable devices. After you reboot the system, you should select Repair your computer on the screen. Click Troubleshoot>Advanced Options>Command Prompt.
Third, if you can come to the Advanced Options screen where have System restore, Startup Repair, you can use the system restore tto restore your system to a previous saved restore point when it was run normally.
Fourth, if you have installed more than one drive, it may cause the boot issues. In that case, you can assign a drive letter for your drive. You can use the command prompt to assign drive letter.
Fourth, try the third-party program to fix the boot problems.
After you have boot your computer normally, you can start to get your data from the hard drive.
The Best Way to Recover Data from Hard Drive
Download Hdata recovery software from the official website.
Run the Hdata recovery program and choose the recovery mode for your hard drive.
Scan the entire partition where you have data loss. The scanning time depends on the size of your files need to be scanned. After scanning, you can preview the files.
Check the files you need to recover and then select the recovery path. The recovery path should not be the partition where you have data loss.
How to Get Lost Data Back with Hard Drive Recovery Software