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Hp 620 laptop

Invalid serial number cnu

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Invalid serial number is a bit odd. In what respect is it invalid?

Posted on Nov 20, 2013


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Posted on Jan 02, 2017

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SOURCE: find the serial number of satellite m35x series toshiba laptop

the serial number can also be obtained from yours laptop's bios settings, depressing the F2 key on startup should take you into your bios settings

Posted on Mar 23, 2009

  • 200 Answers

SOURCE: Hi, How can I remove an invalid serial number from hp probook 4510s after replace new motherboard ? Thank.

did you do a clean new installation and use the the valid serial number

Posted on Oct 09, 2012

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I was told my serial number is invalid and I have checked it several times. Please what should I do?

go to the store you bought it from and tell them what happened, contact HP, look for spaces, hyphons, backslashes, etc.. and enter
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I have a Compaq HP NX5000 laptop serial no. CNU 43862 CS. It is 4 years old and there is a problem with power due to motherboard chip malfunctioning. I want to know if I can get a replacement for the...


you can do two things.
1) go to nearest hp service Center. a quick serach on google brings this (
and make a replacement. If laptop is out of warrenty then they will replace the motherboard but it will cost around 20,000.

2) If your laptop is working . get a care pack from HP around Rs.7000 for 1 year. then go to hp service center . they will do it for free(since you bought Care pack).

To Check for warrenty.Try Below link;jsessionid=nFPZKNgBP7S59H1Gh3LKTwTxp66SZhvKr3Nd7Tr2KXg5C7KYt0T6!31817288?prodSeriesId=96266&prodTypeId=12454


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Find the serial number of satellite m35x series toshiba laptop

the serial number can also be obtained from yours laptop's bios settings, depressing the F2 key on startup should take you into your bios settings

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Best program i have ever used i use it on every client computer i've touched always cleans the deepest dirtiest crud out there

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