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HP Recommended
HP Pavilion x360 - 15t-dq100 CTO
Microsoft Windows 10 (64-bit)

I have a HP Pavilion x360 - 15t-dq100 CTO, that when I power it on it gives me this error "The selected boot device failed". Considering that the laptop came stock with a hard drive, I assumed the hard drive was failing. So I installed a brand new solid state drive and used a USB to install Windows 10. Once the installation was complete and the laptop restarted, I get the same error, "The selected boot device failed". The SSD is detected in BIOS and in the boot device menu I see Windows Boot Manager and the new SSD. When I select that device it gives me the same error however, when I select it again immediately afterwards, it boots into Windows without issue. Has anyone had an issue like this or know of a solution?

1 REPLY 1
HP Recommended

Hi@cougarbyte,

 

Welcome to the HP Support Community!

 

I reviewed your post and I understand it's not booting to Windows.

 

If you recently installed an additional hard drive, turn off the computer and remove the drive before using the following steps: (Click here for details) 

Open HP System Recovery: 

CAUTION: 

Please backup your data before proceeding further: 

Press the F11 key repeatedly while the computer is starting. 

If you have a recovery disc, turn on the PC and insert the first recovery disc into the drive. Use the disc to enter the system recovery. 

Select the Microsoft Startup Repair tool and wait for the repair to find and fix errors. When finished, restart the computer; even if the startup repair tool finds errors but cannot fix them. 

If the error message persists, open the recovery manager screen as was done in step 1. 

At the recovery manager screen, press ALT + D. 

Enter the following text at the command prompt: bootrec /rebuildbcd 

If bootrec displays "Add installation to boot list?", press y. 

After bootrec completes successfully, the computer displays "The operation completed successfully". 

To close the command prompt, enter the following text: exit 

At the Recovery Manager screen, select the Microsoft Startup Repair tool (again) and wait for startup repair to find and fix errors. When finished, restart the computer. 

The error should no longer open. If it does, perform a system recovery, making sure to back up important files. 

If you removed a hard drive before using these steps, replace the drive. If the error occurs again, make sure the additional hard drive is not set as an active drive. Only the main bootable drive should be set as active. 

 

Hope this helps! Keep me posted. 

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

 

Have a great day!

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.