Determining the exact symptom of the laptop failure is key in finding a way to resolve it. When it restarted, it reported a missing component. It came with Windows 8.1 upgradeable to 10. I have just lost sound. When I press the on button nothing happens, no lights, no sound nothing. After the last Windows update, my HP laptop will not turn on at all. I don't recall using "restart" prior to upgrading to Windows 10. If the information I've provided was helpful, Please give us some reinforcement by clicking the "Accepted Solution" and "Kudos" buttons, This is one of the first things you should try with any PC, whether it is a desktop or a laptop. The case. I purchased the basic HP 15-f033wm Notebook from Walmart in July 2015. I've tested the hard drive in an external enclosure and it works perfectly. It keeps me waiting for about 6 minutes, during which the screen first goes blank, then the laptop screen turns black, at last, it loads Windows successfully so I can enter the password and log in. Switch between "Mute" modes and "Normal Volume" mode to see if it fixes the sound issue on your Windows 10 HP Laptop. Let me know if this helped. Sometimes, one of the problems caused by Windows 10 updates might occurs to you: computer won’t start after update Windows 10. HP PCs - Performing an HP System Recovery (Windows 10) HP Notebook PCs - Computer Does Not Start (Windows 10) Let me know how it goes. 2.2 Check if the Audio Device is set as Default or not: If the Sound Device on your HP laptop is not set as Default, then it might show errors in working properly. Have had this computer and Windows 10 for some time and everything worked fine. I checked both and they are working. To determine if the HP Recovery Manager is operational, press the power switch to turn on the computer, and then repeatedly press f11 during the startup. Some things worked once or twice but mostly Restart would freeze. My HP Envy 17 laptop had an issue today, so I tried to restart my laptop. It was running Windows 10 perfectly beforehand and recently had a new battery and new mains power supply in use. Restart would freeze at the HP logo screen. I would power down/up and all is well except for Restart. Windows 10 started to update and after 30% it said something went wrong with the update while restarting. Try to toggle between different volume levels. HP Laptop Will Not Boot – Laptop Hard Reset. Executing Startup Delay HP Laptop "Since the latest Windows 10 update, my HP Pavilion takes too long time to start. I noticed on a hard boot I would have a … I recently ran a free trial of a PC tune-up utility, including a disk clean-up routine, on my Windows 10 laptop. In Device Manager under Sound ,Video Game Controllers, not devices are shown. I ran troubleshooter and it said that either Windows Audio or Windows Audo EndPoint Builder are not working. An HP laptop will not boot for several reasons, such as no power, not being able to find the hard drive, faulty RAM or even a bad display. After the successful boot, the laptop seems to be working fine. Step 1.