Question about HP Pavilion zd7015us PC Notebook

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Motherboard replacement How do I access the motherboard for inspection.  Will not boot up or turn on.

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Thanks, I had already done this but it never became "loose" enough that it felt OK to pry it apart. Must be some hidden "catch' that needs to be released in some manner. Or, maybe, I missed a screw or two but I don't think so.

Posted on Jul 30, 2008

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First remove your battery, RAM, and harddrive. There are screws on the bottom of your case. Remove all of these screws, and all the screws that are in and around the RAM and hard drive area. The bottom of the case should get loose, but be careful because there may be ribbons attached to the bottom (most likely not though).
Let us know if this works!

Posted on Jul 26, 2008

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My lenovo t400 has screen flickering when ever i on the laptop flickers continously booting stops left side some part of screen goes light blue


Sounds like a problem with the video adapter chip. The chip might be either defective or experiencing bad connection with the motherboard. In order to fix this problem, you will need to disassemble the notebook, pull out the motherboard & inspect the video chip & its connection points to the motherboard. If the video chip is defective, you might have to replace the motherboard.

Apr 10, 2011 | IBM Lenovo ThinkPad T400 7417 Notebook

1 Answer

Something went pop and them the power went out and won't power back on?


Most probably a capacitor exploded either in the AC adapter or on the laptop's motherboard. In order to find out where the damage exactly happened, you can either test your AC adapter with another similar laptop, or test a new AC adapter with your laptop. Alternatively, you can test the output voltage from your AC adapter using a voltmeter.
If the AC adapter turns out to be working properly, then the damage happened on the motherboard. You will need to disassemble the laptop to get access to the motherboard & inspect it. The exploded capacitor could be replaced with a new one to fix the problem.

Jan 12, 2011 | HP Compaq nx6110 PC Laptop

1 Answer

Electric current does not get through from the adapter to the laptop. the led light does not turn on but the adapter's led light does.


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Oct 13, 2010 | Acer Aspire 4315-2963 Notebook

1 Answer

Acer 5570z will not boot up or turn on


It could be one of the following:
1. Bad/damaged power jack.
2. Bad motherboard.

DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Sep 26, 2010 | Acer Aspire 5570-2067 Notebook

1 Answer

Computer will not power up. No problems before Turning off


It could be one of the following:
1. Bad/damaged power jack.
2. Bad motherboard.

DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop

Sep 26, 2010 | Toshiba Satellite A215-S4747 Notebook

5 Answers

Laptop doesn't turn on


You have not specified if some lights come on or not. whether there is any sign of life when you power it on. Anyway the reasons are as under:-
  1. It could be a dead battery, for which you can plug it in and then power on.
  2. It could be a bad power on switch, for which you have to replace it with a good one.
  3. It could be bad connection between the battery and the motherboard.
  4. If some lights do come on when you power it on but the laptop does not, then it could be bad RAM.
  5. Or a bad BIOS. Which does not allow the HDD to take over and boot the laptop.
  6. Or a burnt/bad motherboard
There are so many reasons for your laptop to Not boot. A single one or a combination of these reasons. You may even have to open up the back cover and then inspect.

Aug 22, 2010 | Acer Aspire One PC Notebook

1 Answer

Dell latiyude C400


The system is in a reboot loop. Possible causes are:

Corrupt installation of Windows
Bad Hard Drive
Bad RAM
Bad Motherboard.

Try booting to the Windows XP CD, see if you can access recovery console and run CHKDSK /R If that doesn't resolve, boot to the resource CD, and run diagnostics on the HDD

If you can't, boot to the XP CD or Resource CD, try removing the HDD and booting to the CD. If the system boots then, the HDD is most likely bad.

If you can't boot to any device, try RAM modules individually, see if system boots with only 1 module installed. If no change, then motherboard is bad. On a system this age, I do not recommend replacing a motherboard as it is not cost effective

Jun 22, 2009 | Dell Latitude C400 Notebook

2 Answers

Tecra M2 doesn't boot is it a processor problem?


given the symptoms, it points to motherboard.. if it was processor, video or ram. it wouldnt boot at all and you'd just get error beeps from your laptop. i'd first try resetting the bios, by removing the bios battery for 30 min, then putting it back in. if that doesnt work try changing it out, usually costs under 8 bucks. if that doesnt work then I would change out the motherboard, if its cost effective.

Mar 03, 2009 | Toshiba Tecra M2-S730 Notebook

1 Answer

Laptop


You may want to try to reset the BIOS to DEFAULT setings.
If this does not work...Try this turn the pc on and then press F8 a few times to access controlled boot precedure. You will be given some options and you should select "Start Windows in Safe Mode" . Hopefully, you can boot and inspect you boot.ini file.

Hope this helps

Justin

May 06, 2008 | Compaq Evo N610C Notebook

1 Answer

BOOTING PROBLEM


1. Look at the power supply to determine if the fan is working.If not replace the motherboard to see if the computer starts.If the fan is working, try another power supply anyway.
2. Shake the case and listen for loose metallic objects that may cause you computer to stop starting.
3. Inspect the motherboard for broken or burnt components.
4.If you hear beeps when you start your computer try to decode the beep code using the internet.
5.Try a different video card.
6.See if the CPU and memory will work with another motherboard.if yes it means that they are not damaged.
7.Replace the motherboard.If the computer starts it means that your motherboard was damaged.
                                (and)
Unless your machine took a bad fall down some stairs, I am guessing you have a problem with hardware. Unplug the machine and remove the battery. Unplug any external devices like cards, USB devices and printers, etc., and then reboot. Is the hard drive running? Try F10 into setup, and then select LOAD SAFE DEFAULTS AND REBOOT, or something similar. If this does not get it going, check to see if the harddrive or memory has become unseated in their bays somehow. Turn the laptop over, remove the screws covering the little doors, lovingly and gently unscrew the harddrive retaining screw and remove it, and then put it back in and secure the screws. Check to make sure the memory modules are seated correctly, and reseat them if necessary. Then try rebooting. If you get the same problem, go into the BIOS again and check to make sure you are booting to the HDD as first, and then start turning off devices in the BIOS and rebooting in cycles until it boots. Also, try booting to CD (for example, OS installation disk) and if that works, you likely have a boot problem or hardware problem on the hard drive.

Good luck....

Jan 28, 2008 | HP Compaq Presario V2000 Notebook

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