Dell latitude series : after power up nthing shows up on display

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Hello,

after power up nthing shows up on display. not even dell logo. Power on LED also goes off. only CAPS lock and NUMLOCK LED light are. not sure what is problem.

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Try this

1. Remove the battery and cable.

2. Press and hold the power button for 58 seconds.

3. Replug and start.

Good luck
It Worked but. again my laptop freeze . and need to forceful restart. after shutdown . same problem is happening again. holding power button for 58 sec not working.

Actual problem is some time when i move my laptop displayed flickers. after that it display froze. doesn't respond to cursor or keys. Need to do Hard restart. after Restart displaying is not coming up.
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47367
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Monday February 1, 2010
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Hello

Looks like a motherboard problem which only a technician can locate.