My d600 starts to boot up then shuts off
Comment by ameico, posted on Jul 04, 2008
every time I push the power button the bar goes half way acroos the screen than shuts down . now it wont come on at all before this started battery power went down I ordered a new battery and a adapter there was no light on the adapter or when I take out the battery plug in the adapter no light. do you think when I get the new batter and adapter it will come on or will I have
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Re: will it power up?
If the light on the adapter doesn't come on, then you have a bad adapter. (of course you know this) Wait for the new adapter and chances are good that your machine will run fine, and the old battery will probably still be good. If it doesn't work with the new adapter get back with me.
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The D600 is plagued with power up problems for 2 reasons. First the connector on the motherboard to the power button is very sloppy and after awile it breaks contact. If you put pressure under the docking port area and press the power button it may start. The second is the memory slots. I know you said you replaced the memory, but it is the slot that is a problem. Remove the memory and put 1 chip in "A", then press down on the chip while trying to boot the laptop. If this works then get a peice of foam or pad and place it on the chip. When you put the cover back on it will push down on the chip and should boot. Repeat this process for "B".
The green light does signify a charged battery! This is also a possible reason for not booting. Remove the battery and try to boot with only the power supply. A shorted battery will stop the laptop from starting up.
If all of this does not help then remove the battery and the CD Rom, then try to boot. Finaly if nothing helps you should buy a new Laptop or a used one on E Bay. You could get a used D600 on E Bay that has a good motherboard for cheap money and use your drives and LCD. I work on D600 and D800 all the time. Let me know how you make out!
Remove all drives, battery, PC Card, Mini-PCI cards and RAM, see if you get a different indication.
If the LED lights change, power off, install RAM, reboot, If the system posts from that point, then add components back one at a time and see if any one stops the system from posting. If you isolate one item, then replace that item.
If the system will not post after removing all the items, tehn the motherboard is likely the point of failure.
The flashing caps lock is an indication of a failed POWER on Self-Test (POST)
Remove the HDD, Battery, AC adapter, RAM and Modem
Press and hold power button for 15 seconds
Connect AC, see if you get any beep codes. If you do, power off, disconnect power, insert RAM, connect AC and reboot. If system boots, power off and add hard drive. If it doesn't, replace the motherboard.
If the system boots with RAM, but fails to boot with HDD, replace HDD 1st.