Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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MacBook wont work after some time in a draw. no damage.

i have got my wifes 2007 macbook on the table, trying to revive it. she doesnt use it much, the last time was probably some 6 months ago. i remember i charged it up fully, we watched some video on it then we switched it off as normal and put it away. we didnt touch it for half a year. i decided to use it yesterday and what happens, when i push the power on button, sleep light comes on, i can hear superdrive kicking in, hdd spins, but no chime, no light on the screen. i tried to hold the powerbutton for a little while when starting up, but it didnt help. i cannot do pram reset, as the laptop does not chime. i tried, held it for about a minute.

i tried to remove battery, hold down power button for 10 sec, insert the battery while holding the PB and releasing it about 10 seconds after battery plugged in. the fans were spinning a bit faster, but thats about it.

i tried to boot from restore disk, it swallowed it, read it but no signs of life.

i took it appart, removed the PRAM battery to see if it helps, no progress. no spillage at all. laptop battery holds good charge and charges up ok.

before i spend any money on it, id like to ask for your opinions, my collegues.

is it PRAM battery? bios getting corrupted somehow?

MB dying on its own?

thank you

Answer this question I have this problem too

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With everything back in place internally, with the main battery removed and the power adapter plugged in are you able to get the system to startup? If not put it back in and follow these guides:

From what you have stated it appears you did a SMC reset already. You may want to follow these instructions just to make sure you did it correctly: Intel-based Macs - Resetting the System Management Controller (SMC).

Here's a good writeup on the boot up process Intel-based Mac: Startup sequence and error codes, symbols see if it helps in identifying any errors.

Lastly, this Apple TN gets in to the special boot up key combos Startup key combinations for Intel-based Macs. Here you want to try reseting the NVRAM (PRAM) and you could also try AHT to see if it comes up. While your PRAM holds some settings it shouldn't the issue here.

Tell us what you discover - Good Luck!

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ive done SMC reset, i zapped NVRAM. i dont hear any sounds apart from the superdrive sounds.

i have reapplied the thermal paste according to the guide.

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So we're clear here, you can't get it to boot up (get a blue screen or logo) even without the battery correct.

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palokiller, just some more food for thought:"

Power, but no video (computer begins to start up, fan and hard drive spins, Caps

Lock key lights up when pressed, but there is no startup sound or video)

Note: Examine the display carefully. An image may be barely present on the screen, but with no backlight clearly illuminating the image. In this case, the system is working properly except for the backlight. Refer to “No display or dim display” troubleshooting symptom to resolve this issue.

1. Reseat memory cards. Try known-good memory.

If you or the customer do not fully seat the memory, the computer will not start up. See

Knowledge Base articles 303083, “Intel-based Mac Power On Self Test RAM error codes”, and

303721: “MacBook: How to install memory.”

2. Reset the SMC. See Knowledge Base article 303319, “Resetting MacBook and MacBook Pro

System Management Controller (SMC)”. Resetting the SMC means you will also need to reset

the date and time (using the Date & Time pane of System Preferences).

Warning: Make sure you do not hold down the “fn” key when resetting the SMC.

3. Press F2 (with the fn key pressed and not pressed) to increase the screen brightness setting.

4. Try connecting an external display to check for intact video signal. If external video appears, check the system for any pending software or firmware updates and update accordingly.

5. Verify that the LVDS cable connection is properly seated to its connector on the logic board

and that the cables are not damaged.

6. Reseat inverter cable.

7. Replace the display assembly.

8. Check all cable and flex connections to the logic board. Try restarting.

9. Replace the logic board.

No power, no video (no sleep light, no fan movement, no hard drive spin, no Caps

Lock LED when pressed, and no display illumination)

Note: After each step, check that the system is not supplying power to the logic board. If you see the sleep LED come on or the Caps Lock LED illuminate when the key is pressed, then the system is indeed drawing power. In this case, hold down the power button for six seconds to ensure the system is shut down before working on the computer. At this point, the issue is no longer a ‘No Power, No Video’ problem. Move on to the “Power, but No Video” troubleshooting section.

Note: Examine the display carefully. An image may be barely present on the screen, but with no backlight clearly illuminating the image. In this case, the system is working properly except for the backlight. Use the “No display or dim display” symptom to resolve this issue.

1. Remove any connected peripherals.

2. Check that the battery has enough charge to start the computer by pressing the button

next to the LEDs on the battery (on the bottom of the machine). At least one LED must light

continuously (not flashing). Make sure the battery is fully seated.

3. Connect a known-good Apple 60W MagSafe Power Adapter and power cord to a known-good power outlet. If the cord is properly inserted, the LED should light up; if not, go to the “MagSafe

power adapter” symptom.

4. Check for damaged pins or magnetic debris on MagSafe power adapter. If pins are okay,

reseat power adapter connector and make sure it is fully inserted. Refer to Knowledge Base

articles 303566 “MacBook Pro: Troubleshooting MagSafe power adapters with stuck pins” and

302461 “Portable Computers: Troubleshooting power adapters.”

5. Try powering up without the battery installed. If it starts up, try a known-good battery. If it does not boot, replace the battery connector cable.

6. Press Caps Lock key to see if light on key comes on. If it does, hold power button down for

six seconds to shut down the computer and restart.

7. Reset PRAM. Restart the computer, then hold down the Option-Command-P-R keys until you hear the startup sound at least one additional time after the initial startup sound.

8. Reset the SMC. See Knowledge Base article 303319, “Resetting MacBook and MacBook Pro

System Management Controller (SMC)”. Resetting the SMC means you will also need to reset

the date and time (using the Date & Time pane of System Preferences).

Warning: Make sure you do not hold down the “fn” key when resetting the SMC.

9. Try to power up the system and check the sleep indicator. If the LED lights up solidly and

turns off, the logic board is getting power and completing the boot cycle. Go to the “Power,

but No Video” troubleshooting section.

10. Verify that the power button cable is connected properly to the top case flex cable assembly and that the flex cable is connected correctly to the logic board. Try turning on the system.

11. Disconnect the top case. Inspect the connectors. With the top case removed, restart the system using the on-board startup jumper pads, as shown below. If it starts up, replace the top case.

Block Image

Caution: Use a jeweler’s flat-blade screwdriver that is just wide enough to short the two

small solder pins (jumper pads) located directly below the power symbol.

12. Test each RAM slot individually with known-good RAM. (The computer should still start with only one known-good DIMM.)

13. Try removing the AirPort Extreme card from its socket and start the computer. If it starts, shut it down and check the flex cable connector and the connector on the logic board and replace the damaged parts.

14. Reseat these cables:

• Hard drive flex cable (will start up to flashing folder if not connected or corrupt)

• Optical drive flex cable

• Trackpad flex cable

• LVDS cable

• Battery connector with sleep switch cable

15. If computer starts on battery power only, replace MagSafe board with a known-good MagSafe DC-in board.

16. If computer starts up, inspect any suspect flex cable connectors and their terminals on the logic board for damage and replace any damaged parts.

17. Replace logic board.

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Comments:

Hey OT love your new avatar! ;-}

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Thanks Dan, just more of the real me:-)

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palokiller will be eternally grateful.
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