Compaq evo N600c laptop BIOS issue?

January 21, 2013 at 02:26:25
Specs: Windowsxp prof, 1200mhz/256mb
Hi this is the Compaq page that says i need to press f10 when booting up. Can't do it on restart on found out. The reason i am wanting to look is because windows is not keeping the correct date so i thought maybe the bios battery is dead. http://h20000.www2.hp.com/bizsuppor...
Anyway in the bios under the tools menu >battery configuration there is an applet that says 'system battery' then 'step 1' that mentions down below 'calibrates the selected battery' and within the applet 'charging................0%' which is not progressing. There is step 2 below that that says Discharge next to it. Then there is Step 3 which says Recharge. tabbing doesn't do anything or the esc key. The other thing under 'battery configuration' is 'hdd self-test options' and it won't let me tab to that either. F1 help is also not achievable. I get that error beep that says NO...if you know what i mean?! I had to turn off the computer via the power button. After i powered off and re-entered the bios i tried the hdd self-test options and i tired the quick 2 minute self test. that works.
Went back into Battery calibration and there are two columns Battery and Status. Under that there s System battery/needs calibration, Multibay battery/not present and Docking base battery/not present. Ah so does that mean the battery is dead? The system battery is that the bios battery? I don't know what a docking base battery is. I am trying the first one again which is the step 1 cgarging....it is sitting at 0% again. had to power off again to get out of bios. This is a 'rom based setup ' btw...i don't know what that is. ok i think i have everything :0) i have changed bios batteries before if that is the issue

"The meaning of life is to be happy and useful" Tenzin Gyatso the 14th Dalai Lama


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#1
January 21, 2013 at 03:03:13
"...i need to press f10 when booting up. Can't do it on restart..."

The reason you can't use F10 when rebooting is that the reboot bypasses the BIOS settings---it already knows what the parameters of the machine are. You have to use F10 from a cold-boot.

"Anyway in the bios under the tools menu >battery configuration there is an applet...."

I think you're getting "BIOS battery" and "system battery" confused. There generally isn't any way to recharge a BIOS battery on almost all machines (the RTC battery is what the HP page refers to it as). The system battery is what keeps your notebook running when it's not connected to AC. If you're having date/time issues it's almost always a BIOS (RTC) battery that's at fault. You state that you've changed BIOS batteries before; looks like you need to again if you haven't recently.

"Channeling the spirit of jboy..."


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#2
January 21, 2013 at 03:23:58
Oh thanks for the info about the cold boot. Never came across that before.

I just read off the screen the info. I don't know what a system battery is. I don't know what an RTC battery is either. oh so you mean the removeable battery is? Ok yes the bios battery is what i thought was at fault. No i have changed bios batteries in many machines i mean. I am sort of a neighbourhood helper nerd. Not super experienced but good with the basics :0) Ok so will check back to this manual to see where the battery sits and change it. This machine seems to also have some other issues but that might be because i am not using the correct charger...naughty me

"The meaning of life is to be happy and useful" Tenzin Gyatso the 14th Dalai Lama


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#3
January 21, 2013 at 07:41:22
RTC= Real Time Clock.

T-R-A is correct, the calibration is for the battery that powers your laptop, not the internal battery. You need to replaced the small internal RTC battery to fix your clock issue.


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#4
January 21, 2013 at 07:43:40
OK cool now i am clear :0) Yeah the button battery :0) thanks so much

"The meaning of life is to be happy and useful" Tenzin Gyatso the 14th Dalai Lama


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#5
January 21, 2013 at 15:56:02
"...also have some other issues but that might be because i am not using the correct charger..."

That could be dangerous. Depending on the voltage output of the charger, that could be the issue with the main (system) battery not charging properly. It could also cause serious problems with both the machine and battery itself. If the voltage is off too much, you could damage the charging circuit, and (more importantly) explode a battery. Make certain the charger you're using is the correct one before proceeding any further with this machine.

"Channeling the spirit of jboy..."


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#6
January 22, 2013 at 02:39:56
Yeah i have finished working on the machine as well i have no time...selling without charger for parts on ebay :0) I do know about not using the right charger :0)

"The meaning of life is to be happy and useful" Tenzin Gyatso the 14th Dalai Lama


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