General - rdkl answers

Home Based Keying Careers

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Broken Apple computers?

pts1999 — Fri, 29 Mar 2013 20:20:04 +0000

Hi John ,
I found out about your
company on a post card I received from ifixit.com

I am located in the Sacramento area and provide
a similar service here,but on a much smaller scale.
The struggle I have is trying to find good sources for broken Apple computers that
are in need of repair.What type of places do you get your Apples from?

Thank you,

macbook pro early 2011 no led backlight lvds broken???

r0k5t4r — Thu, 14 Mar 2013 22:56:51 +0000

Hi,

I bought a broken mbp early 2011 on ebay thought it would be fun trying to fix it. It works fine but the led backlight is not working. I tried my logicboard on a different lcd and there was also no backlight. I also tested the lcd and the same no backlight. By looking at the lvds cable and the connector on logicboard I noticed that some small plastic parts from the cable are stuck inside of the lvds connector. I was not able to get them out of the lvds connector. Then i saw that also rwo pins of the connector were missing.f has someone ever tried soldering a lvds connector onto a logicboard??

Macbook Keyboard Screw Size

nickb — Wed, 13 Feb 2013 22:27:02 +0000

Howdy,

First, thank you for your video on the Macbook Keyboard replacement on Youtube (re:

)

I'm curious, what size screwdriver did you have to use for those tiny little keyboard screws? I need to replace my Aluminum Unibody Macbook's Keyboard, as I had some failed cleaning of the keyboard. I'm presuming the screws are the same since the replacement keyboard that I have looks very similar to the one in your video.

Thank you,
Nick Barnard

Powerbook G4 Titanium 1Ghz OSx 10.3.9

jpnm1965 — Wed, 06 Feb 2013 14:59:16 +0000

Hi John,

I have a G4 1GHz titanium laptop and recently have been using it heavily to VNC into 4 linux servers simulatenously running some heavy applications for CAD and CAM, the titanium laptop is fantastic, super fast in VNC mode (as all the processing is done by other machines) but has one issue its not portable as the battery pack died about 4 or 5 yrs ago.

So I have just purchased a chinese branded pack for $26 and it worked but has an intermittant fault were the power (from the battery pack when disconeected from the mains power) just vanishes (batteries are fully charged) and switches off which kills everything as the mains is not plugged in. I though the problem was with the low grade chinese terminal connector onthe battery pack so decided to open the battery pack and utilise the 8 x lion cells form the chinese pack to replace the 8 dead cells in the genuine battery pack, by the way the electronic circuit boards in the non geninuine battery pack are completely different to the geninunie battery pack whihc also has sensors that the chinese one doesn't.

So the revitalised battery pack has the following issues
- displays 0% when the power cord is plugged in, power cord does change to amber (green when no battery pack is present)
- but then after 10 mins the battery symbol changes to X )no battery available)

I have tried a PMU rest with no luck.

Could it be the internal resistance of the lion cells from the chinese battery pack is different to the internal resistance of the geninuine sony cells that were in the case and this will prevent correct operation. Yet it kinda worked when I first plugged the chinese battery pack before embarking on soldering adventures as it showed 100% and then decreased after an hour to 84% not before killing power and requiring a reboot 2 or 3 times.

In an nutshell is there a way to get a new battery pack for these machines that work, or do you know of some tips that can solve the issue.

I also note int he geniniune pack there were two temp style probes, maybe these are trigger as the temperature is different?

Any thoughts would be appreciated.

Thanks

John

What is wrong with my MacBook--HELP!!

sghass2 — Thu, 20 Dec 2012 21:59:21 +0000

My MacBook lately has been freezing often, slowed down, and I need to reboot??
please HELP!!

Trouble shooting top case Macbook Pro 15 2.6 Silver Keyboard

RandyW — Sun, 09 Sep 2012 23:15:25 +0000

Macbook pro 15 silver keyboard. Top case was working fine, I swapped the hard drive, plugged the keyboard back on the logic board. Power up the macbook, no light on the keyboard, mouse pad not working, and keys are not working. I swapped the another Top case, and it works fine with my Macbook. Tried my Top case on another Macbook Pro, not working.
Should I try swapping the ribbon cable? Or is there a logical method to try? Is there something I should look for on the top case?
Regards,
Randy

Macbook white A1181 No video no chime

RandyW — Thu, 07 Jun 2012 00:12:10 +0000

I purchased a used white macbook for $60. I don't know the history of the macbook. The macbook power on, the white power light on the right side stay on when plugged into the wall socket. The battery needs to be replaced. I can hear the fans spinning. There is no video or no chime. I plugged an external vga monitor to the macbook, nothing came on the screen. Can the macbook be saved? How should I go about trouble shooting the macbook? Does the GPU requires reballing? Is the logic board toasted?

Fix RAM slot on MBP 2009? ASAP!!

photogeek121 — Wed, 02 May 2012 10:56:50 +0000

I am looking to get a cheap macbook pro- I am a student and could really use one (plus, I want one really bad anyways ;) )

This limits my budget a lot- to around $500 max. I am looking to get a 15" late 2008 MBP or above (post-unibody). I have been checking on ebay and found one with a screen backlight issue, but it looks like it is going to go over my price range

I kept on looking and found this model (http://www.ebay.com/itm/Apple-MacBook-Pro-15-4-Laptop-MC118LL-A-June-2009-AS-IS-unibody-/251052454384?pt=Apple_Laptops&hash=item3a73e471f0#ht_500wt_1378)

It is listed as having a defective RAM slot (of course, I should be able to boot with one slot anyways)

I have access to a fine tip soldering iron and a heat gun- does anyone have experience taking this model apart and could tell me if this is possible? I really want the laptop and if that is an feasible fix I would greatly appreciate your help. It seems to me i just need to heat up the slots connector and let it reflow, or get a soldering iron in there and try by hand.

LVDS Connecter?

tylr6024 — Wed, 24 Aug 2011 15:18:32 +0000

I have another Macbook Pro that looks like the LVDS connecter on the logic board got fried. The computer works fine, besides there is no display. I have tested it on an external monitor. I have also tested two different displays so I think it has to be the connecter. I can get a replacement part for $25 and I have a very experienced computer tech in my area that will be able to resolder the new LVDS connecter for me.

Do you think a new LVDS Connecter would solve the problem? Thanks

identifying problem area on Macbook logic board?

juz22 — Sat, 14 Apr 2012 07:30:53 +0000

hi all, i am trying to repair a late-2007 3,1 macbook 2.2GHz which had suffered a liquid spill and would greatly appreciate some help. i have some previous hit-and-miss experience of such repairs, usually by bathing the logic boards in 99% isopropyl alcohol and brushing them i have revived some, but others remain dead.
however, this particular one has made me think i could have more strategy to approaching the repair...

when i received this board, it wouldn't boot at all, and the magsafe charger light did not switch on. after one clean, it seemed to work great, so i re-assembled the machine with ram in both slots and used the computer for a couple of hours. after a couple of days i went to switch the machine on again but this time it would not boot. the harddrive spins up and the front white led illuminates, the cpu heatsink fan spins up, however it does not chime and the lcd does not display anything or even briefly flash like i have seen some do.

i thought perhaps it was a ram issue, so i have tested it with different ram, and with just either one of the ram slots occupied, but this has not made any difference. i also tested it without any ram in at all, expecting to get the front white led flashing and the "beeping" sound, but the behaviour remained the same as with ram installed, so i guess the problem actually lies somewhere prior to the ram being checked.

so i want to clean the logic board again, it all appears to be clean and i cannot visibly see any residue or oxidation even under magnification, therefore i expect there must still be some hidden beneath a component somewhere.

based on the problem i have described, is anyone able to help me locate physically where abouts on the board i should be focussing my efforts? i feel quite confident in working with these old 2006-2009 polycarb macbook boards, but my electrical knowledge isn't sufficient to figure out what components on the board are responsible for doing what (bar the obvious i.e. cpu, gpu and northbridge).

thankyou in advance!
justin

MacBook Pro doesn't charge when powered off

devitol — Wed, 14 Mar 2012 15:00:52 +0000

Here's a new one for me. I have a MacBook Pro i5 A1278 that only charges when the computer is on. As soon as it shuts down the computer won't charge. I tried to do an SMC reset and have been unable to change the light on the charger when attempting. The logic board doesn't show a drop of liquid damage. Have you seen this before? Do you know where the SMC chip is on the logic board?

jump start 17 inch unibody

gbk — Wed, 04 Jan 2012 21:34:23 +0000

Hi john,

The MacBook had coffee spilt on it. I only turned it upside down and cleaned it with a rag. I finished a class I was logged on to and put it asleep thinking everything was ok. Got home and it would not power on. I'm just wondering if I can jump start it to rule out logic board issue. The board is different then your YouTube post where you point out the jump points.

Is it true the points are at the keyboard ribbon cable? Is the ribbon cable accessible without tools? Could it be under a small metal cage that is has the nintendo screws. Or is it not possible to jump start these newer unibodys. I don't really have time to do the keyboard replacement but it would be nice to know if it was a total loss.

A little history.. I did replace a key board and LCD screen in a 13 inch white MacBook a few years back for my girlfriend with a friends tool kit. I again have no tools and in a panic last night tried to remove the bottom of the MacBook pro with a knife and when it slipped I managed cut a peace if my thumb off. Boy that last screw. Looks like no stitches but is a cut. I'm lucky to have a thumb as the little pocket knife is vary sharp. Now that I think of it I could care less about the computer. Just looking at my thumb.

Thanks Play safe and do not panic as I did.

Easy way to replace LVDS cable?

devitol — Sat, 11 Feb 2012 14:31:48 +0000

Hi John,
I've read a few how tos on how to replace the LVDS cable on a 2009 MacBook Pro. Basically they all say you have to disassemble the display. I've had a few bad experiences removing the screen and while I'm getting better, I thought I would check with you to see if you've discovered a simpler way to swap it out.

Thanks for your help!

Spacebar not working on 13'' Macbook Pro Unibody

rmhardy — Fri, 27 Jan 2012 10:37:12 +0000

Hi there,

I recently had a liquid incident with my macbook pro. The keys were a bit sticky, but other than that everything worked as normal. Apple care wouldn't cover cleaning the keys, so I decided to do it myself. Now, after cleaning, the spacebar will not work (all other keys & power button work like new). The spacebar hangs when the computer is first turned on, and otherwise will not respond. It works fine with an external keyboard and with the on screen keyboard.

Can anyone recommend what I should do? Logic board replacement (please no!), keyboard replacement, top case replacement?

If it is a keyboard replacement, I feel confident that I could get the components taken apart, but not so sure I could get them back together in working order (with the cables might be glued/mic wires/bluetooth, etc.) - Any resources you would recommend?

MacBook Pro mid 2010 no chime no screen no dvd

tom — Mon, 19 Dec 2011 07:54:01 +0000

i have a mac book pro mid 2010 it just suddenly stopped working. when i turn it on there is no start up chime, i don't even hear the dvd drive spinning, the sleep light comes on and the fan is running and after ~8 seconds it reboots and like that it goes on. i tried removing the memory from one slot to the other but does not seam to work either. then i removed both memory stick and boot it but there was no beep. shouldn't there be a beep if there is no memory installed. is it possible that the firmware chip is bad?

Powerbook G4 Problem

tkballer — Wed, 07 Dec 2011 23:41:20 +0000

Hey John,

Just so you know what he has, a PowerBook G4 15" aluminum 1.67 GHZ

This time it is my brothers laptop haha. He took it to the genius bar and they said it was his hard drive. I personally have no idea what it is because I don't see a ? at bootup.

So when I boot it up, I get a consistent beeps every 2-3 seconds...just long annoying beeps every 2-3 seconds. I get a blank white screen as well (no apple logo). I have done some research and to be honest, I have no idea what it could be.

Do you have any thoughts or is there anything you want me to test out?

Thanks as always...

-Taylor

ISight/ wifi antenna causes white screen

devitol — Tue, 15 Nov 2011 21:46:41 +0000

Hi John
I have a MacBook with no signs of water damage but the wifi connector on the logic board causes a white screen when the cable is plugged in. When its unplugged the computer boots normally - minus the wifi. Any secret weapons to fix this?

Serial Number rubbed off

devitol — Thu, 20 Oct 2011 11:31:27 +0000

Hi John,
Not really a tech question but I thought you might still know the answer:

I have a MacBook Pro with AppleCare coverage - I checked under Apple > More Info, but it looks like the bottom case doesn't have a serial number on it. Do you know if Apple will replace the case with the serial number on it? Will I have a problem if the computer ever stops booting?

Thanks!

iBook g3 Video Issue

TylerH — Sun, 09 Oct 2011 21:56:12 +0000

Hi, I recently bought an apple iBook g3 on eBay, with a video chip issue. I watched johns video on YouTube, and was wondering if it will boot up when you squeeze the chip. The example in your video stayed at the apple screen, and didn't boot. If anyone knows a way to make it boot that's be great!

MacBook firmware issue

devitol — Tue, 04 Oct 2011 23:04:55 +0000

Hi John,
I acquired a MacBook Pro 5.5 with a different issue then I am used to. In this case the previous owner believes they "bricked" this MacBook Pro after an Ubuntu install gone wrong. The computer starts with no screen and the sleep light blinks and there is a beep. Do you have any advice for reloading the firmware? I've been trying to read more about it but wanted to get my facts straight before trying anything out.

Thanks for your advice. This site has saved my butt and a few computers a handful of times now.

Dead Macbook A1181 (Late-2007)?

setyourgoal — Sat, 01 Oct 2011 03:16:55 +0000

Hi!
I just purchased a used macbook off of a buddy of mine. His hard drive crashed and he ended up just going out and buying a new mac. So I went out and purchased a new hard drive for the machine and started it up. I managed to get snow leopard installed, then things started to go south.

First, when clicking on the trackpad "button", it would register as a "secondary-click"; constantly opening up little menus all over, no matter what i clicked on. And then out of nowhere, the keyboard stopped working. The caps-lock button remained lit, and even pressing that there was no change to the light.

I didn't have time to really mess with it so i left it open, not connected to any power, and went out for a few hours. When i came back the mac had gone to sleep. The white sleep light was going on and off, so i tried to wake the machine. Nothing. I plugged it into power, nothing. So i took the battery out and placed it back in, connected the power supply and tried to power it back on. NOTHING! No sounds, no humming, no fans, NOTHING! When connecting the magsafe it will light green, and then go to amber as if it were charging, but still nothing on the mac starts.

So now I'm not sure what my options are here: should i assume it's the logic board? something regarding the magsafe adapter? a faulty keyboard? water damage?

Any help?
Thanks in advance,
Mike

Alcohol Bath?

tylr6024 — Fri, 26 Aug 2011 17:17:33 +0000

Over a few forums I have been reading people are saying after a spill they give their computers an alcohol bath. I can't find much info on it however. Is the purpose just to clean off all the junk like sugar from a drink or coffee? I know it wouldn't bring a computer back to life I am just curious why people would put even more liquid on their computer?

Can you repair an aluminium Apple extended keyboard?

nate — Sat, 17 Sep 2011 16:56:37 +0000

I spilled water on my keyboard and didn't let it dry properly before plugging it back in. Now the bottom two rows don't function. Is it dead dead? Or fixable dead?

("aluminium" for Mr. Ives.)

Happens again.....

tylr6024 — Fri, 02 Sep 2011 16:50:02 +0000

Well I am starting to think Macs just hate me haha....

Well I got another computer on Craigstlist. I replaced the keyboard and guess what.

THE COMPUTER SHORTS AGIAN LIKE THE ONE YESTERDAY. I am extremely frustrated. I am using a completely different keyboard and a completely different computer from yesterday.

I have absolutely no idea what is causing this. I am replacing the keyboard correctly. I am putting everything back in exactly how it was before.

I have tried different power adapters. Everything I can think of. I am about ready to just throw everything away and take a huge loss because at this point I am beginning to thing I am not meant to do this.

I know you have probably not seen problems like this before, but please let me know if you have any ideas. Thanks.

EDIT:

This one is doing it both with the keyboard plugged in and the keyboard unplugged.

The computer will boot up to the apple logo and then short. The computer booted up fine before I replaced the keyboard. I am pretty sure the logic board is seated properly. Could the logic board be touching metal somewhere, or could a screw in a wrong hole be too long and touch metal or something? I am just out of ideas.

EDIT 2:

Some people are suggesting I could have messed up the logic boards by static. I just don't understand how this could happen two days in a row to two different computers. I was so careful with the logic boards. Barely even touching it. I have replaced a keyboard before these two and that one worked fine, so I don't know what could have happened differently here....

Jump Point on 2010 Macbook Pro?

tylr6024 — Fri, 02 Sep 2011 15:24:17 +0000

Never mind I found them. THanks

Macbook Power Issues

tylr6024 — Wed, 31 Aug 2011 22:48:24 +0000

How you been? Me again.

Well i got a Macbook off of Craigslist that needed a little work. I am having some power issues now.

Long Story Short-

I had to replace the keyboard because it got fried. A few minutes ago the computer was working excellent. I tested all the keys on the keyboard and the power button to make sure everything was working. All was well. All the sudden I started having power issues. The computer would turn on and then suddenly shut down like it was shorting. I unplugged the keyboard and started the computer by jumping it. Sure enough it was the keyboard that was causing the computer to shut off. After examining the keyboard connecter I noticed that one of the pins on the connecter was broken. (I will include a pic)

I'm pretty sure that is what is causing it to short.

What doesn't make sense is why the computer was working long enough for me to test the keyboard (about 15 minutes) and now it won't stay on long enough to even fully boot OS X. Again, it does work fine when I unplug the keyboard.

I am unsure if the connecter was broken before I replaced the keyboard, or if I broke it during replacement.

Do you think a new connecter would fix the issue or do you think it is a deeper issue? I am thinking a new one might fix it because I know for a fact it cannot work properly when one of the pins on the keyboard is broke. Thanks

Update: The computer will no longer turn on with the keyboard plugged in. Neither by the power button, nor by jumping it. It still works fine with the keyboard not plugged in though.

PICTURE LINK:

http://i992.photobucket.com/albums/af48/tylr6024/Macbook.png

You can tell in the picture that the third pin is missing.

PS: If you are getting tons of emails about me posting it is because I keep narrowing down the issue, and updating it on here. Thanks again.

Why Buy Water Damaged Macs?

tylr6024 — Sat, 27 Aug 2011 01:16:10 +0000

I am wondering why so many people are buying water damaged Macs on eBay. Water damaged ones are selling for around 400$ for the 2.26GHz 2009 model which seems extremely high. How could they possibly make a profit? I'm sure they part them out, but I don't see how they could even break even when spending so much. I mean the only parts would be the HDD, Battery, Display, Ram and Optical Drive, and a few minor parts like DC-in. Especially with them not knowing if any of the hardware works in it. Would you know what these people are doing to make a profit? Thanks

Macbook Pro Water Damage Question

tylr6024 — Wed, 24 Aug 2011 23:43:49 +0000

Hi John, its me again with another stupid question haha. Well I am still on my eBay mission. A few people are saying that after they spilt water on their MacBooks they continued to work fine for a few days before finally dying for good. They have also said the keyboard was working until the Mac died. From what you told me before that pretty much rules out a power button issue. I guess it must be water getting on the logic board. It just seems weird that it would take a few days for the water to reach the logic board. With the time of sitting there a few days and possible drying from the heat of the computer I wouldn't think liquid could hang around that long in there. What do you think?