Having problems with your HP Pavilion dv9000z Notebook ?

Why my loptop hp dv9000 was shutdown.no display


Answers :

Probably itz either minor case of software corruption/improper ground/cpu fan..
or major case of faulty or defective main board/ram/cpu related/battery (either or both main power and cmos)..

..plz do check the following as in order:..
the Hardware part:..
1)a)in power-on\015\012mode, open/unplug the data/vga cable of the monitor from cabinet..see if\015\012raster or 'osd' is appearing on the monitor screen..if so monitor is\015\012ok..else replace the monitor and see..[not applicable in case of\015\012laptop]..
b) in case of laptop try to get output from external\015\012display unit/monitor using vga port..if there's proper display in\015\012there..the problem is probably with either the 'lcd' or 'ccfl' or'\015\012inverter circuit'..

2) if u hv a graphics card, replace with a standby or onboard and see..[not applicable in case of laptop]..

3) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..

4)see if\015\012the ram(s) is loose/faulty..open clean/remove carbon & or\015\012oxide formed on the teeth with an eraser n resit it..or replace with a\015\012standby n see..

5) a) see if ur hdd is noisy or emitting any 'ticking' noise (like 'tuk tuk' or 'kirr kirr')..
b) or if the system is not supporting either the newly installed device or itz software/driver /firmware
if so, u need either a fresh os installation or ur hdd is likely to b replaced..

6)remove/clean\015\012dust neatly..dust is non-uniform in nature n maycause jam/short\015\012circuitry/excess resistance n many more..resulting anincrease in heat..

7)\015\012open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink\015\012Compound" (available in local electronics chip level spare\015\012market)between the cpu/processor and the CPU Heat Sink*** fan..resit/fit\015\012it tightly in position..

8) on main/motherboard..see with a debug\015\012card for mb error..may b short..look for defective\015\012capacitors(espabove1000mfd)/mosfets..go through the mb's south bridge n\015\012the circuit lie around atx connector..the crystal clock generator (if\015\012cpu isn't heating up)..

9) [in case of desktop] the smps itself\015\012may b defective/faulty..check the outputs ofsmps viz. 0v(black~ground);\015\012+12v(yellow); +5v (red, green~ps-on, violet~pg & grey~sb); -12v\015\012(blue); -5v(white); +3.3v(orange)..the 'oscillator and error amplifier\015\012ic', or pwm switching regulator circuit..look for defective\015\012protector-transformer/resistance (esp4.7k)/mosfet..
check the battery n adapter [main power], in case of laptops..

if u r not a professional, always better to seek advise from ur system admin/vendor....
I really do not understand your question.
\015\012If your DV9000 has shut down and has no display, you may have a problem with the motherboard, call ( Grid Ball Aray ) or GBA.
\015\012This is a motherboard issue the HP is fully aware of and has offered a additional one year warranty on top of their one year warranty, giving you 2 years of warranty service from time of original purchase date.
\015\012Another words, if you purchased this unit 1 year and 11 months ago, get it in to HP for a warranty repair.
\015\012HP will send you a pre-paid box normally next day air and have your unit serviced at no charge to you.
\015\012Normal turn around time is 1 working week.
\015\012Contact HP customer care and best of luck to you.
\015\012John
\015\012
Repair Help & Product Troubleshooting for HP Pavilion dv9000z Notebook

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