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Tutor
Posts: 21
Member Since: ‎02-26-2013
Message 1 of 24 (42,904 Views)

CMOS reset 502

My laptop will not start. Keep getting a message CMOS reset 502

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Regents Professor
Posts: 5,461
Member Since: ‎09-16-2011
Message 2 of 24 (42,859 Views)

Re: CMOS reset 502

[ Edited ]

 

Hello, 


This means the BIOS is assumed to be corrupt and the system will install a hidden copy of the BIOS to correct the problem and the startup process continues.

 

 

To resolve a BIOS error, you should run the HP Support Assistant (for Vista and Windows 7) to check the computer for the latest BIOS and other issues.

 

If the notebook doesn't allow you to get into windows then you will need to follow this document.

 

Can you give me the full model name and number of the notebook that you have?

 

Let me know the outcome.


THX

 

Tutor
Posts: 21
Member Since: ‎02-26-2013
Message 3 of 24 (42,856 Views)

Re: CMOS reset 502

Thanks for the information, but I tried pressing the Windows key, and 8 key while powering on. I HP tech support, and was told I needed to send the computer to them, but it is out of warranty. I decided to remove the BIOS chip and bought a new chip from My Tech. The chip has not arrived yet, but if that does not work, I will just trash the MB, and see if I can get a replacement on ebay.

Regents Professor
Posts: 5,461
Member Since: ‎09-16-2011
Message 4 of 24 (42,846 Views)

Re: CMOS reset 502

 

OK, if you went ahead and removed the CMOS battery already go ahead and place it back into the notebook and try booting up. Let me know what it says when you boot the notebook back up. 

 

Also, Can you give me the full model name and number of the notebook that you have?

 

THX

 

Tutor
Posts: 21
Member Since: ‎02-26-2013
Message 5 of 24 (42,845 Views)

Re: CMOS reset 502

I tried removing the CMOS battery. I left it out about an hour, replaced it, and the same message came up. I have removed the BIOS chip from the MB. I will solder the replacement onto the board when it comes in the mail. The model number is dv6-6125dx.

 

Thanks

Regents Professor
Posts: 5,461
Member Since: ‎09-16-2011
Message 6 of 24 (42,844 Views)

Re: CMOS reset 502

OK, please let me know the outcome.


THX

Tutor
Posts: 21
Member Since: ‎02-26-2013
Message 7 of 24 (42,843 Views)

Re: CMOS reset 502

I will. Thanks

Regents Professor
Posts: 5,461
Member Since: ‎09-16-2011
Message 8 of 24 (42,838 Views)

Re: CMOS reset 502

Also, I would make sure and follow this maintenance and service guide that HP provides you with on how to replace the battery. 

 

I can provide you with the link if you give me the full model name and number of the notebook that you have. 


THX

Tutor
Posts: 21
Member Since: ‎02-26-2013
Message 9 of 24 (42,834 Views)

Re: CMOS reset 502

It is an HP Pavilion dv6-6125dx

Regents Professor
Posts: 5,461
Member Since: ‎09-16-2011
Message 10 of 24 (42,833 Views)

Re: CMOS reset 502

OK, so are you replacing the MOBO or the BIOS CHIP/CMOS?

 

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