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Hp Probook 4510s invalid serial number error... Please Help...

post #1 of 10
10/18/10 at 5:19pm
Thread Starter 
Hi,
I have a Hp Probook 4510s laptop which i brought about 6-8 months ago (cant remember exactly) and it has been a good little laptop... about 2 days ago it turned it on and on the HP boot screen i got a message in the corner of the screen saying "invalid serial number" and then it went to a black screen and would not boot, i loaded the bios and looked at the system information and in the notebook serial section was blank... I put the install disk in that came with the laptop and after several attempts managed to format the HDD and re-install windows and it worked but it still came up with the error message on the boot screen but then booted... today i turned it on and it came up with the error and then went to a black screen... the notebook serial is still blank and now it will not boot in to the install wizard on the DVD that came with the laptop (it is the only install disk i have)... How can i fix this?
All the docs are backed up so that is not important i just need to be able install windows and use the computer asap....
I have looked on the Hp tech support and it is not much help...
Please help me fix this...
Thanks
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post #2 of 10
10/18/10 at 6:20pm
Try using the serial number at the bottom of the notebook -fill it in at BIOS screen and see.

cheers ...
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post #3 of 10
10/18/10 at 6:29pm
Thread Starter 

RE:

Hi,
The bios screen allows me to view and not edit the information about the system... How can i put the number in?
Thanks
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post #4 of 10
10/18/10 at 6:48pm
Hit the Pause key on that screen, see if it allows you to get to the field

cheers ...
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post #5 of 10
10/18/10 at 7:05pm
Thread Starter 

RE:

The pause key on that laptop is "fn-Page UP" and i have tried that and no it did not allow me to access the field.
Thanks for the reply... Any more ideas?
Thanks again...
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post #6 of 10
10/19/10 at 3:42am
I am stumped chrisnorris Best venue is to contact HP support and request an RMA and have them re-enter the Serial Number for you.

cheers ...
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post #7 of 10
10/19/10 at 1:49pm
Thread Starter 

RE:

Hi,
I have been told today by a computer technician that re-flashing the bios may solve the problem.
I have downloaded the bios from hp and using the hp software have put it on a bootable usb key and attempted to boot my computer but it does not boot from the drive, how can i boot from the usb in order to re-flash the bios?
Thanks
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post #8 of 10
10/19/10 at 3:33pm
Thread Starter 

RE:

i do not need any more help thanks as i have now booked the laptop in for a repair with hp/
Thanks
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post #9 of 10
10/19/10 at 5:37pm
Quote:
Originally Posted by chrisnorris1995 View Post
Hi,
I have been told today by a computer technician that re-flashing the bios may solve the problem.
I have downloaded the bios from hp and using the hp software have put it on a bootable usb key and attempted to boot my computer but it does not boot from the drive, how can i boot from the usb in order to re-flash the bios?
Thanks
Re-flashing BIOS never works with Serial Number missing - at least with my BIOS experiences. Even resetting CMOS battery would not help.

cheers ...
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post #10 of 10
10/19/10 at 5:37pm
Quote:
Originally Posted by chrisnorris1995 View Post
i do not need any more help thanks as i have now booked the laptop in for a repair with hp/
Thanks
Good show, hope you have your notebook back soon.

cheers ...
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