my compaq 621 laptop sut down upon windows startup everytime

[akki05]

everytime when i startup my laptop its shutdown automatically when windows startup.

[IT_WinSec]

Hello @akki05 

Welcome !. If I understand correctly, you are unable to start your computer. Correct me if I am wrong.

It is hard to tell why this is happening without details, checks, diagnostics.

• This may be happening due to simple Windows hung, hardware problem (e.g. your HDD or storage) or
  it may be caused by recently applied faulty Windows Update, some other faulty 3rd party update/driver, corrupted bootloader / Boot Configuration Data in Windows,
  virus/malware etc....

1. Try hard restart/hard reset.

Press the power on-button on your PC and hold it for about 5-10 seconds until your computer powers off completely.

Remove and unplug any external peripherals and accessories.

Press once the power-on button to turn on the PC and wait if it will start now. Wait...

If it still fails to load properly, go ahead with the next steps

2. Perform some basic hardware checks to rule out a potential hardware problem

- Please, shutdown the computer using the power button (pressed and hold for a few seconds until PC powers off)

- Power the computer back on.

As soon as you press the power-on button, immediately begin hitting the Esc button (like tap-tap-tap) before any logo appears. This should open a HP Startup Menu

- Choose F2 to open System Diagnostics. Follow the on-screen instructions to perform System Test >> Quick test.

This will check major hardware components for issue (do it just in case) . Here is more info >> https://www.youtube.com/watch?v=6JXUp43ahHA

If there are no system checks/no quick tests, perform HDD (hard disk drive) and RAM check (memory check).

Let me know the test results. If the tests pass without issues, continue. If not, please, let me know

3. Repeat steps 1-2 above but when HP Startup menu opens, please choose F11 for System Recovery options.

The computer should boot from it's recovery partition to open you various recovery options. Note, that F11 option will only work if the recovery partition is there (not deleted) and intact. From there, you have plenty of options to choose from. Every HP computer comes with recovery partition present to assist in tough moments.

Please, perform "System Restore" first in an attempt to fix the issue. Please, restore back to previous days (restore point) where the issue was not present. Here is more info:

>> http://support.hp.com/us-en/document/c03327545#AbT5

>> https://www.tenforums.com/tutorials/4588-system-restore-windows-10-a.html

Hope this helps. Let me know how it goes. Provide your feedback/reply.

[akki05]

I started diagnostics and repair but after half an hour system just sut down accidentally while diagnostics was running  and when i checked near charging point and fan it was too hot. 

So over all it looks like heating problem.

thanks for your reply and help. 

if any suggestion tell me that what to do next. 

[IT_WinSec]

Hello,

What kind of diagnostics did you run ?

Please, re-read the instructions given initially and consider performing quick or fast tests - they should complete in a quick manner without waiting for them for 30 minutes or more. Let me know details what was tested and if any failures.

If the machine is too hot, please review this article and follow the steps >> https://support.hp.com/us-en/document/c01657439