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HP NoteBook

Hp notebooks are really  unreliable.Dv4(dv1225dx) doesn't boot, just gives blank screen  all led's are on  except caps/numlock  leds are always blinking. Perhaps motherboard failure  I think, any other solution ?
1 Solution
Sorry to be the bearer of bad news but I had similar light sequence on a HP Compaq 6730s.  It turned out to be a motherboard failure.
buy a workstation laptop from dell, lenovo, apple, etc
stay away from the standard systems...

off lease dell systems:
check with hp, there may be a recall
☠ MASQ ☠Commented:
Look for a sequence of blinks
The diagnostics for these are listed here
here my laptop troubleshooting guide :
- if no display - test with an external monitor
- test also with a known good battery !
- remove battery and AC adaptor, hold power button for 20 sec, connect AC and reboot --> any display ? if NO -->
- disconnect all disk and cd drives, battery , and other cards and peripherals, leave only 1 ram stick
- boot -->any display ?
- if NO remove all ram and reboot --> if NO beeps, mobo or cpu bad ; if it beeps, replace ram stick
-if you can access the bios battery, remove the battery, AC, and bios battery for a minute to reset the bios
or test it, it should read 3 V
*** you can test the disk on another pc, if you like !

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