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laptop wont bootup.
I have a second hand Dell latitude d520.it worked fine until monday this week.
it had a 512 memory card. and it worked fine (if a little slow) a friend gave me a new 1gb card.i installed it in DIMM A slot located under the keyboard.now it wont work i tried it with the old one back in still won't work.the lights come on then go off.check pic's below 1st pic five lights top two both flash on/off.
bottom three first stay's on other two flash.
pic 2. first power light stays'on.middle on/off instantly.next battrery light blinks on/off/about every 30 sec's. after about a min/min and half all go out.
any suggestions (Keep it clean ).