Hi, i havehp 6735s laptop with this problem: don't boot the caps lock blink 5 times and the hard disk led blink every second. i try hard reset ,i remove hd, memory and battey for 5 hours and then i try to boot but iget the same black screen . any suggestions?
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If there's more than one memory module in the computer remove one, try to reboot. Replace the first, remove the other, try to boot again.
If that doesn't work, sounds like you need a repair guy.