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Laptop wont turn on this a weird one! Please help! Hi-Grade C5514

\015 Ok i need help with this asap as it is my parents laptop that i have knackered. Basically the other day i plugged and external hard drive into its usb port. The hard drive is a basic hard drive just in an enclosure, however on the second part of the power cable (as its in two pices, like a box which plugs into hard drive and then a kettle lead same thype which use on monitors, desktops etc. This plugs into the box and plug on wall) i plugged in the wrong lead so the voltage wasnt correct. When i plugged it into the usb the screen started to flicker and get a bit staticy then the blu screen came up the dumping memory one which usually occurs when theres a hardware failure etc. nyways i turned the pc off then back on. It all booted up fine and everythign so i agin plugged the hard drive into the usb but this time with the original lead with the correct voltage. However this time it made my pc completely freeze and couldnt do anything, move, get task manager up not even turn it off on the power button! So i turned it off forcefully by taking out the battery and ac lead. So when i did this i tried turning it back on but it wouldnt come on at all!!! However when i had the ac lead in and the battery the battery light comes on as if it is charging and at first so did the crescent moon as if it is in hibernation. However the lights keep changing! so now the moon light doesnt stay on and the battery light only comes on for about 30 seconds then turns off. But if i unplug the ac lead the battery light goes off but if i pres th power button the moon comes on for a couple of secs then goes of?! The laptop is a Hi Grade C5514 and i have tried taking out the battery and lead for about 8 hour and putting them back in but still no luck. I also got half way disassembling it incase it was the cmos battery and wanted to see if could reset it or something by taking it out or replcaing it but couldnt find it anywhere!!! I need help with this asap as my parents havent yet realised its my fault but i can only feed them technical jibberish for too long! (there like cavemen with technology lol) Any help with this asap will be soooooo appreciated!!! Cheers!\015

Answers :

Have u tried ur laptop without ac power i mean on battery see if ti works otherwise the only hope b4 running for help from service centre is get RAM

actually now a days 2 chips are prefferred by laptop manufacturers for fast performance i mean mem needs to b installed in both ports to get the benefit of performance ,

if u have one u can borrow the RAM from any friend with the same specs as mentioned on ur RAM chip it is like 533 mhz pc 5300 or pc XXXX or u can buy a new one and try atleast 512mb without the old RAM see if it works otherwise i think motherboard is gone bad bcoz voltage first supplied to Motherboard and then it supplies them to equipment , may be some ic is burned on the board , try if it gets repaired

pls let me know abt the results

and do rate me u know i tried my best to get u out of this problem

pls also
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