Caps lock flashing indicates faulty memory - it's a POST (Power On Self Test) before BIOS executes. When memory is removed it should indicate "no memory". Carefully re-insert the RAM memory module, check the tiny contacts inside the connector on dust. Then try again.
If there are 2 memory banks (1 one the back, the other under keyboard) remove one RAM memory module.
If capslock keeps on flashing test it with another RAM module.
Please remove the battery and press the power on button for 1-2 minutes. then connect the AC power adapter to laptop without battery and power on laptop. Check any display.
Remove the Hard disk and check the laptop status with power on. Remove the ram and insert into the another slot. and check. Try to insert another RAM if youy have any spare. Hope this helps...
Please check the dc voltage of ac apater with multimeter to check whether the proper voltage is gicing to laptop or not..
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