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HP laptop shutting off after login

B

Brendl

Junior Member
My laptop was randomly shutting down for a while. Took it to the repair shop and he said it was the fan/cooling unit. He supposedly fixed that which seemed to fix the problem for a day. But now the laptop shuts off immediately after I try to login from Win7. Repair guy couldn't identify the problem.

So any idea what gives.
 
Does it turn off completely, or does it just shut the display down (with the fan still running), or does it reboot?

Does the same thing happen if you boot into Safe Mode?
 
If it is a hard reboot (straight to the BIOS, no shutdown) that would be indicative of a power issue (possibly overheating). If the guy repairing the laptop took it apart, make sure he didn't crimp any cables when putting it back together.
 
It just restarts (no Bios). It was able to go into safe mode no problem.

I tried reformatting and... theres a point during the reformatting where it keeps closing down. So now it can't complete the process.

Please tell me there's hope.
 
Had a friends HP notebook that had a similar issue.The problem developed after the computer was a couple years old. Researching the problem turned up similar complaints for his model line. Never really was able to solve the problem satisfactorily. I suspected a MB issue.

As I recall, what seemed to help was to set all available power settings to minimum (both OS and any available power setting in BIOS).

To check if it's a component heating issue, go to the local grocery store & get a brick of dry ice. Set the machine on top of the ice separated by a single thickness towel. Try to run the machine to see if it sustains operation while it is being cooled via the dry ice.
 
HP laptops are notorious for solder joints on surface mount chips fracturing from heating and cooling cycles. There is a whole industry has sprung up to address the issue. Do some "You Tube" searches for HP DV9000 reflow.
 
True that solder joints can do this but also viruses can make a pc turn back off if it was a poorly written ransomeware malware program.

To properly diagnose you will need to spend some more money.

Buy a new hard drive and install windows on the new drive.

Does it still shut down? If so then its not a OS/hard drive problem.
If it stops shutting down on its own then it was a hard drive/OS/INFECTION/corrupted issue.
 
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