Compaq Presario CQ71-420SM booting problems

Hi,
i have problem with Compaq Presario CQ71-420SM.
Laptop wont start.
Checked power adapter (green - constant) light is on. Checked on laptop where power adapter enters laptop (white constant) light is on. Changed power adapters. Tried with and without battery inserted same result.
Removed the ram that is left one module than replaced it with second, tryed to change slots with both modules. no result.
Laptop be it on battery or without one but with power plugged in needs about 10 sec to eaven spin cooler/s and promptly shuts down - blank screen all the time.
Now ONLY when battery and power adapter is in i get white led flashes (led located lower left from touchpad - not the one near where i plug in power cord) in following durations:
- = short duration of led light
-- = normal duration of led light
--- = long duration of led light
1) -- -- -- -
2) -- -- -- --
3) -- -- -- ---
than fiew moments pause and all over again
i have read somewhere that this is most likely vga failure now can You please verify this for me or give me valid info on what can it be or what should i look for?
i have looked for error codes on fiew laptops, could not find specialy for this one but this is one of the links
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443366&lc=en&dlc=en&cc=uk&lang=en&rule=26781&...
the error led codes as i noticed are all the same for links that i have found.
greetigs,
ivan

Hi,
thank You for quick response.
can you tell me what you opinion is if mob has gone bad is it worth the trouble/cost to send laptop to repairs or just buy a new laptop considering that laptop is 3+ years old.
regards

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