my Hpi5 7th gen laptop start bar is not working

[facebook9921]

i am using HP i5 7th gen laptop

my windows 10 start bar is ot working 

[Echo_Lake]

@facebook9921
Thank you for posting on the HP Support Community.

I see that your experiencing issue with the windows 10 start bar is not working, 
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:

• When was the last time it worked fine?
• Have you tried any troubleshooting steps?
• Have you made any hardware/software changes?
• What is the product number of your device? Use this link to find it: http://support.hp.com/us-en/document/c03754824 (Ensure you do not share any of your personal information such as serial, phone number, email ID, etc...).

While you respond to that, I recommend you to perform the following steps to isolate the issue and arrive at a fix:

Let's run Windows PowerShell: ( windows recommend steps ) 

1. From task manager, click on File and Run new task.
2. Then type PowerShell and hit Enter.
3. After that, Windows PowerShell will be opened. right click on the PowerShell from the taskbar and select Run as Administrator.

there is another way to open PowerShell in Administrator mode.

• Open task manager in fewer view mode.
• Then you will see the list of running apps. Right click on Powershell and select Open file location.
• Then you will see the original location of Windows PowerShell. right-click on it and select run as administrator.

In PowerShell paste the command given below and hit enter.

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

• Wait for completing the process. You may see some pop up errors. Just ignore them.

Hope this helps! Keep me posted for further assistance.
If I have helped you resolve the issue, feel free to give me a virtual high-five by clicking the 'Thumbs Up' icon below, Followed by clicking on "Accept as solution" from the drop-down menu on the upper right corner, Thank you for posting in the HP Support Community.  Have a great day!