RMDesai Posted February 15, 2008 Share Posted February 15, 2008 Hello,I have HP dv6000z and dv2000z laptops. I am facing same problems with both of them. Strangely, two of us use these at different locations. One is on Vista and other on XP.During start, the HP blue lights panel lights up, if any cd is presents, it spins, the fan runs but there is no post. The display remains dark. It does not even flash the HP logo and other BIOS info. Just stays dark.Both of them, however, decide to start normally at their wish. My laptop, the dv2000z faced this problem about 4-6 months ago. Then it ran fine till last couple of days. Both the laptops are 1.5+ years old.The BIOS stores the amount of memory I had allocated for video. Can this still mean CMOS battery can be dead?I found several similar poste in various forums, but no clear answer.Any thoughts or solutions are welcome.Do let me know if you need any further info from me.Regards,Ravindra. Link to comment Share on other sites More sharing options...
jaclaz Posted February 15, 2008 Share Posted February 15, 2008 First things I would check would be:1) if a RAM expansion card/chip is present take it out / check contacts / re-seat2) if the processor is upgradeable (on a add-on card) take it out / check contacts / re-seat3) take the cd/dvd out / check contacts / re-seat4) (warning in most cases needs a partial disassembly of the laptop) take the HD out / check contacts / re-seat5) (warning needs a partial disassembly of the laptop) open it up, remove keyboard / check contacts / re-seat thoroughly clean the innards from dustjaclaz Link to comment Share on other sites More sharing options...
Kelsenellenelvian Posted February 15, 2008 Share Posted February 15, 2008 I REALLY don't think your CMOS battery is dead those things last forever (Well over 5 years in almost all cases) Link to comment Share on other sites More sharing options...
RMDesai Posted February 19, 2008 Author Share Posted February 19, 2008 Hello,Can a faulty LCD display, grapghics or a mobo issue cause this?This is what the HP support person is saying.Regards,Ravindra Link to comment Share on other sites More sharing options...
Ponch Posted February 19, 2008 Share Posted February 19, 2008 Did you follow Jaclaz's list of advices ? Specifically #1) ? Link to comment Share on other sites More sharing options...
RMDesai Posted February 19, 2008 Author Share Posted February 19, 2008 Hello,Sorry, I should have updated on this first.Yes, I did remove, check and re-seat the RAM and HDD only.I could not get to open case enough to access the CPU or the DVD drive.Regards,Ravindra. Link to comment Share on other sites More sharing options...
Ponch Posted February 20, 2008 Share Posted February 20, 2008 Surely the Vista one is still under warranty ? Link to comment Share on other sites More sharing options...
RMDesai Posted February 21, 2008 Author Share Posted February 21, 2008 Hello,I read stories about a MS patch doing things to PC reboot.I did update my BIOS to F.39 from HP site and applied SP37736 form HP site.Now I am wondering if SP37736 has the dreaded KB937287. Is there any way to know this?SP37736 can be found here: ftp://ftp.hp.com/pub/softpaq/sp37501-38000/sp37736.exeThanks in advance for your thoughts.Regards,Ravindra. Link to comment Share on other sites More sharing options...
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