MacBook Air :: It Slow Upon Downloads After Main-board Replacement
Jul 6, 2012
I use a 4 yr. old MBA, the non wedge style thing with poor connectivity (just one USB connector). I am the only user and the MBA 98% of the time is hooked up to a LED cinema display (also about 4 yrs old) and connected to the LAN via the USB hub at the cinema display/Apple USB-Ethernet connector (4yrs. old, as you guessed). Recently, I had a memory defect which forced me to have the mainboard replaced (RAM is soldered to the main board with MBA's).
Since I got it back, the MBA is somewhat slow. It is extremely slow if I download large files via the ethernet/USB connection. Both cores of the CPU are loaded at at least 50%, the MBA practically does not take mouse commands any longer and opening windows or such is extremely slow. Basically you can have a few coffees during downloading! Would a reinstallation of the OS perhaps help? (10.7.4 currently) I also wonder if I would reinstall the OS from, e.g., the recovery partition, now would this delete all the programs I've installed (quite a few)? I should like to add that the above described behaviour occurs wih the MBA NOT running dozens of programs, just the little file transfer, nothing else.
Info:
MacBook Air & Pro, Windows XP
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Nov 5, 2010
I have an A1260 that looks like it's undergoing the problems repaired by this program: [URL] However, I've had this thing apart, replaced the hard drive with an SSD, the optical drive bracket is very bent from when I replaced the optical drive, my display bezel is cracked in two places and held up with duct tape, and it generally looks like hell. Will they still repair the logic board despite all the other, ahem, modifications? I could probably put the original parts back in, but despite that it will be obvious I've taken it apart. It is and was out of warranty when I performed these. Should I take it to a retail store or just call Apple and ship it to them?
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Oct 29, 2008
I have a Rev. A 1.83ghz MacBook which my partner uses. In the last six months we have had an increasing number of problems with it. First, there were the intermittent sleep problems: delay going to sleep, failing to wake. Then it killed three batteries consecutively before Apple replaced the sleep switch and power connector unit (thank heavens for AppleCare). That was back in July. Now the same problem has recurred: the battery is dead and fails to accept charge. Got a call from Apple yesterday to say that they've switched out the logic board and that the item is ready to collect.
We have eight months left on the AppleCare and what I want to know is:
1) What exactly can we expect from a logic board replacement? Do Apple really have a stockpile of 1.83ghz logic board's floating around in case someone needs a replacement or is there any chance of a processor upgrade with this repair?.............
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Oct 14, 2010
Last week my friend gave me their macbook for free and told me it had a fried logic board. I took it just because I wanted the learning experience. I'm a freshmen learning engineering, so if soldering/de-soldering is needed I should be fine. I'm wondering how to figure out what is wrong with the logic board, ie. if it got water damage because I was thinking maybe I could try to get replacement components for the logic board. Also it came with a 60gb hard drive, but I was wondering if I could upgrade that. I know I need a 2.5 sata drive, but I was wondering if iIhad to get the hard drive from apple or if I could just go on newegg and buy any hard drive that has 2.5" sata connection.
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Jan 17, 2009
My Early 08's 8600 failed recently (was still working but I got like 10fps on games and it failed the test) so I had it replaced at a few apple stores (an ordeal and frustration in and of itself). Anyways I was wondering if I need to do anything since the logic board has been replaced. Is a format necessary (for optimization and speed and for compatibility)? When I turned on my computer it gave me a warning about my clock being set to March 20, 2000 and a Y2K compatibility error. Should I be worried? All in all everything seems to be OK - unfortunately since my MAC addy changed I can't access Time Machine backups anymore and have to start a new backup
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Aug 14, 2009
My white late-2007 MacBook recently had its logic board repaired, and ever since then, some weird things have been happening with it. The first and most annoying thing is that connecting my external display (HP w2338h) to use my MacBook in desktop mode simply does not work like it did before. I'll connect the display, make sure mirroring is turned on, shut the lid of my MacBook, but instead of going to sleep, my MacBook will just shut off.
I'll disconnect the display and open the lid to turn it back on, and it then proceeds to show me the regular Apple boot screen...but with a status bar beneath it that I've never seen before. I've attached a picture of this. Forgot to mention that I did once get the external to mirror my MacBook, but that when I did, the picture quality wasn't quite as sharp as it was before the repair. I tried reconnecting it, and haven't been able to get it working since.
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Nov 17, 2009
I recently had a problem where my 13" 3 yr old macbook would just blink off. then it became shorter and shorter until it would not start up. i brought it to apple who told me after inspection that it had liquid damage and the battery connector and logic board needed to be replaced for an astounding 800+ dollars. the book only cost me 1100!! i got the book back (obviously i didnt pay that, i am sane!), i fiddled with it by trying to start with just the battery. no response. with the battery and charger. starts for just seconds. and then with just the charger. walla! starts up and runs like new.
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Aug 9, 2010
I'm going to the Apple Store on Wednesday to most likely have my logic board replaced. To those who have had this done, how long does it normally take?
Also, if they determine (for some reason) that this repair is not under warranty, will they call me first to tell me so I don't get a huge bill?
As a side note. Where are the water sensors in the 17" MacBook Pro. I haven't spilled anything on it, but I have used it in some humid situations, and I fear that some of them may have been tripped erroneously. I don't know why I fear these sensors so much, but I just do.
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Apr 8, 2012
I have just had my logic board replaced by apple via the extended warranty covering the nvida issue. I use the machine to run some audio applications and have noticed since the replacement board was added the machine is now prone to audio glicthes and drop out of some audio.
Info:
MacBookPro 2.4GHz, 2G RAM, Penryn - MacBookPro4,1, MB133B/A, Mac OS X (10.5.2)
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Oct 1, 2010
To make the long story short, I am a careful computer user and I treat my computer like my baby since I am a college student studying Architecture and I spend more time and money on my computer than on books and there haven been 5 replacements on this mbp that I am using right now.
My 1st hard drive crash happened 3 weeks after I bought my mbp in April 2008. I got it replaced under warranty.
2nd hard drive crash happened little after 6 months............
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Sep 19, 2009
I noticed today that the headphone jack on my 13" MBP is not working. I recall it working within the last few days but now nothing. I see no immediate evidence of external damage or foreign object intrusion, and the MBP has not even moved from the desk where it was last used.Suppose I have to go back to the Apple Store to have it fixed, which is a bummer because I literally just had it in there like a week ago to get the optical drive replaced.If the headphone jack does not work, is it required to replace the whole logic board, or is it a part they can typically replace individually? If the logic board needs replacing, do they have to order it in, or do they sometimes keep those in stock? I'd like to know as this might require me to leave the laptop there for several days again which might need some planning on my part.
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May 5, 2010
I have a 2007 Macbook Pro with the Nvidia 8600M card, and my screen went out. I had my logic board replaced, but my computer just doesn't feel the same. Should I be worried of any other issues?
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Feb 21, 2010
After my MacBook Pro 2.5's logic board failed( and was replaced under AppleCare) after owning my MBP for just 17 months, activity monitor often shows asl ( system log file) manager at about 100% CPU. Fans spin at 5000rpm. Never had this issue before the logic board replacement. Also, Safari 4.04 frequently crashes; never had this issue either before, either. Occasionally, after restarting my MBP, the Apple doesn't appear on my screen but instead I get image of a folder alternating with a question mark. When trying to use installation disk to start up, under 'select the system you want to use to start up', Mac OS 10.5.8( the OS that's on my hard drive, will not show at all...it's missing. After restarting several more times with installation disk OS 10.5.8 eventually appears as a selection. Why would these issues appear only after the LB was replaced. I suspect that the replacement logic board or its installation is not 100%. Something's not quite right there.
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Jan 19, 2009
on my early 2008 MP - the memory board A - slots 3 and 4 will NOT recognize memory, however memory board B will. So A is broken. Where can I get a new BOARD? not memory, a board?
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Nov 7, 2009
I got a mac mini out of warranty (core 2 duo 1.83 ghz) that just died on me. I went to the apple store and they sent it in for a diagnostic. They confirmed that the logic board is dead and will be around $350 to replaced. I'm still weighing my options and was wondering if anyone can direct me to a site that sells replacement logic boards to see if I'm better off doing the repairs myself?
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Mar 3, 2008
My 17 inch iMac G5 1.8ghz seems to have died. For a while it's been refusing to power up and then powering up randomly but now it wont power up at all. I've looked on the logic board and reset the SMU etc but I can only get the first LED to light up. I think this means the logic board has died. Is it worth replacing the logic board and can it be done easily myself? Or should I just bite the bullet and pay out for a new alu intel iMac? I'm in the UK btw, any ideas on logic board prices?
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Jul 24, 2008
I'm trying to fix my dc in board myself. I figured out that was the problem and took it to the genius bar to confirm. I ordered the part and have directions from ifixit.com. Can I do this? I have absolutely no experience with this sort of thing, but I do follow directions well. A friend told me that some mac consultants won't even attempt this repair, which made me very uncomfortable. Can anybody who's done this repair speak to the difficulty and what it would be like for a person who's never even seen the inside of a computer? I don't have the money right now to have somebody else do it, so should I just put it up until I do, or take a shot at it? I really love this little laptop and hoped that I could save it...
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Sep 29, 2008
I have an emac, g4 with a bad logic board. Does anyone have any idea what it would take to replace this and the estimated cost?
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Nov 18, 2007
My girlfriend has a 12" G4 Powerbook that she claimed was getting really hot. I noticed it was as well, so I installed iStat Pro and saw that the fan was spinning at 0 RPM. So obviously something is wrong. I read a few posts on people having problems with the logic board, which would also cause the fan not to work. However, the computer runs fine, the fan just doesn't turn on when it gets hot. I haven't (and don't plan to) let it get so hot that it would shut itself off or burst in to flame or whatever happens. I understand it's out of Applecare, but I would prefer to fix it myself on the cheap. I'm perfectly capable and willing to replace the fan, but before I crack it open I would like to know if there is a simple way to see if my problem is simply a dead $30 fan, or a $500 logic board.
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Dec 6, 2008
I have an ibook g3, 500 with os x 10.3. I bought it a long time ago in Germany, so it has a German keyboard. Yesterday I replaced the logic board, since my ibook showed signs of the well known logic board / graphics failure. That went well, graphics are working now. But, suddenly the hardware or the os does not recognize the keyboard anymore. I can not type in anything at the log in screen. No lights are working on the keypad as well. Funny thing is, that, when I hold down the apple key at the start up, this works and will get me into the start up options screen. So, I am not sure if it is a matter with the hardware or with the os.
Another thing I recognized: when I put the computer to sleep at the log in screen, the sleep led will light up, but then the ibook will immediately wake up. - This might be connected to the keyboard problem. I bought the logic board replacement in the US. Could this be the problem? Does this logic board probably have trouble with the German keyboard? Or, do you think the logic board replacement is broken as well? Would using an American keyboard help?
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Oct 24, 2010
I recently had my logic board on my MacBook Pro replaced and when I tried to backup, Time Machine did not recognize the old backup on the drive and tries to create a new one. The drive is mounted fine.
Is there a way to continue using my old backup, or do I need to delete it and create a new one?
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Sep 2, 2009
I recently had my logic board on my MacBook Pro replaced and when I tried to backup, Time Machine did not recognize the old backup on the drive and tries to create a new one. The drive is mounted fine.
Is there a way to continue using my old backup, or do I need to delete it and create a new one?
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Jul 25, 2008
Does anyone know the exact name and part numbers for Wireless upgrade kits for the following machines:
G5 Dual 2.0 ghz - (main board has 8 slots for RAM upgrade)
Mac Pro Quad 3.0ghz
I've been searching around in circles trying to find this out and I'm just getting no where!
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May 1, 2008
Does Applecare cover the replacement of the backlight bulb and inverter board? Looking at a PowerBook that has Applecare - The screen in the listing picture is not too bright. The seller has stated that all is well with the screen, but you never know. I am prepared to go for it if the Applecare covers the screen lighting. Applecare cover on notebooks appears to be worldwide - If the screen lighting conks out overseas, I can get it fixed at the local Apple Store?
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May 13, 2012
everything has been fine other than Activity monitor opening but just hanging, spinning pinwheel. There doesnt seem to be a file in library/preferences "com.apple.activitymonitor.plist" which I read could be the culprit. The main problem is that browsing and DL's have slowed to a crawl under 1mps down according to speedtest,where my phone using the same wifi access point is getting at least 5. This is for Firefox as well as Safari. Im sort of at my wits end here and willing to just wipe and start over but i dont have the disks. This seems like the sort of behaviour that occured on my PC when i got a Trojan or loaded up with Spyware. I did do an Avast and Clamxav scans to be sure. Im sure Ill find more to annoy you fine people with in the future but for now it would take far to long for the web page to open.
Info:
MacBook Pro, Mac OS X (10.6.8)
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Jan 9, 2011
One of the drives in our 2009 mac mini server 2009 has died. I have taken apart many minis so have no problem taking it apart to replace, but does anyone know which drive is the primary, "Server HD" drive? Would it be the top drive (first drive you come across during disassembly) or the bottom drive closer to the logic board with the two pads stuck on? Just wondering if anyone knows for sure so I can avoid removing the drive that's still working fine.
Also, to keep the server running in the mean time, I am booting to the second drive which is working fine. Just curious, once the dead primary drive is replaced , can I simply use carbon copy clone to copy back from the 2nd drive, or will I need to install snow leopard server back onto the new drive?
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Nov 12, 2010
i had a 2006 macbook core duo that ran really nice with snow leopard, recently the logic board died so it hasn't been used for a month, i got parts from my friend and now running a 1.83ghz core 2 duo logicboard in its place. the big problem what i think is the hard drive got corrupted due to the bad logic board, when i first put the hard drive back in it wouldn't boot except into safe mode and after i repaired permissions it would boot. however it still starts up slow and os performance seems sluggish and if i run disk utility it always has permissions to fix and takes forever.
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May 12, 2012
It takes like 15 mins to download a 5 mb file in safari...norma browsing is ok but downloading in safari
Info:
MacBook Air, Mac OS X (10.7.2)
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Aug 11, 2009
around my house, even right next to my wireless router, I have a pretty slow WiFi speed - normally my downloads are under 20kbs a second (I have a hard time even watching YouTube videos). When I plug my laptop into an ethernet port, it greatly increases and I sometimes see speeds above 100kbs. I'm using a really cheap router, but I've used other routers with the same results.
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Feb 16, 2012
I have experienced horrible software update download speeds for two weeks. www.speedtest.net and other test sites show good performance (usually about 10 mbps down and 1.5 mbps up). The software update download progress seems to be interrupting and then continuing. Its been grinding out 1.09 GB for the snow leopard combined update for over 6 hours this afternoon. Anyone else having problems with software update? I'm beginning to wonder if AT&T is throttling my internet traffic. Is there a tool to check this?
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