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Hardware The New MacBook/MacBook Pro/Air Users Thread v5, Share your joy and your pain here ;)

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PeeEl
post Apr 23 2010, 01:29 PM

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QUOTE(harmeet15 @ Apr 23 2010, 12:33 PM)
congrats hannxz...smile.gif
can u call/text me after u done unboxing and setting it up..?
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Harmeet, why lah? Need to exchange notes with Han ar? Trust you are enjoying your new toy. But for Han, it's nothing new since this is his second one. Contemplating as to whether to change mine. Cheers.
PeeEl
post Apr 24 2010, 01:57 PM

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QUOTE(jind86 @ Apr 24 2010, 01:15 PM)
guys, you know when you first receive the notebook, the magsafe power adapter actually comes with a plastic wrapped around it, i trimmed the excess so the plastic would not interfere when i inserted the plug.. and right now the plastic is still attached to the adapter..

the main reason im doing this is to keep the adapter clean and to keep it looking new.. but i've been thinking, would there be any negative consequences for this action?
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IMHO it would not be safe as the plastic wrap is of normal quality ad when the adapter gets hot, there is a chance it will 'burn' and melt into the latter. Worse still it may cause a fire. But that's just my opinion or I am just paranoid.
PeeEl
post Jun 5 2010, 11:28 AM

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QUOTE(esssymanex @ Jun 4 2010, 07:50 PM)
I also got it, i will apply it once upgrade new bigger hard disk later. Stick inside the case.
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You better not. It may start a fire.
PeeEl
post Jun 12 2010, 11:15 PM

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QUOTE(harmeet15 @ Jun 12 2010, 09:36 PM)
kinda sounds like my case...already using moshi palm and trackpad protector..
i'll look for ur pics...but thx for ur opinion...really helps..
wud be placing my order soon..one BG n one IS...smile.gif
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Hi Harmeet. Was actually advised by our mate, Han not to apply any of those wraps as it traps heat within the device. But of course, it's your call. Cheers.


Added on June 12, 2010, 11:16 pm
QUOTE(cRazYee @ Jun 12 2010, 11:07 PM)
it's normal as long as above 90%
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I beg to differ. Not if your unit is relatively new and charge cycle is not too many counts.

This post has been edited by PeeEl: Jun 12 2010, 11:16 PM
PeeEl
post Jun 13 2010, 01:29 AM

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QUOTE(cRazYee @ Jun 13 2010, 12:26 AM)
for a 2 months old battery, it's normal
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I normally won't debate on an issue when it is so logically clear which is correct but in this case, mine dropped to 92% after only 13 charge cycles and having it for 6 months; and I was given a new battery after claiming for it. If it is normal would Apple allow the replacement?

Further, in earlier posts, one forummer posted a screenshot showing his 18 months MBP with quite a number of charge cycles but the battery health is 96%. Afore-stated numbers are as per what I remember, give or take. Lastly a friend when he sold off his MBP after almost a year of usage and he is quite a heavy user, it was 96%.

So, how can a 2 month unit with a low charge cycle be normal with a 93% health rating? Are you saying that the battery giving way after slightly over 2 years of usage, arithmetically, if the trend persists, is normal???

What I am expounding is I comment with facts in hand, not just in passing.


Added on June 13, 2010, 1:35 am
QUOTE(harmeet15 @ Jun 13 2010, 12:05 AM)

true enough boss, but wat i can figure, the heat is released from tiny holes under the keyboard...i may be wrong, but thats wat i learned..
besides, the shield will cover the same area covered by the case..
i'll read up on this issue more...
in the meantime, hope to hear more inputs frm all of us here...smile.gif
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Whenever I use my MBP putting on my lap(after all it's a laptop), I can feel the heat oozing from the bottom at the back. So, this is something you should note. Anyway, it's always a good idea to read up more before making any decisive move.

This post has been edited by PeeEl: Jun 13 2010, 01:35 AM
PeeEl
post Jul 2 2010, 03:46 PM

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QUOTE(mannquin @ Jul 2 2010, 04:28 AM)
I'm a little bit confused here. Why are some of you suggesting to charge it up right after you unbox it?
What if someone gets if directly from the Apple Store and unboxes it, setting it up with the help from those technicians.
Wouldn't it spoil the battery lifespan/capacity whatever it is since the ritual of charging 8-12-hour-before-use is not followed?
Could someone please clarify me about this matter?
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For what it is worth, let me just relate to you the advice about the battery.

I had my battery replaced (under warranty) as it was not performing up to mark and when I collected my MBP, the service technician told me to use up the power in the battery before charging.

All new batteries will have some charge in them. Instead of immediately charging them when you get your Macbooks, as per the advice of the Apple technical personnel, let the power deplete before charging and if you like, even for 8 hours.
PeeEl
post Jul 3 2010, 01:53 PM

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QUOTE(xaw5126 @ Jul 2 2010, 03:58 PM)
again, where does the service tech get his information?
the correct explanation : please don't tl;dr here smile.gif

1. open your new Mac > start using / charging.
2. in the first few days (max is 7 days) charge till full, leave it for 2 hours, then use it it till empty. *empty means use it till it switches off automatically*
3. leave it on sleep for 5+ hours.
4. charge it again.

The entire process above is called calibration. I taught my colleagues to explain this to all new Mac buyers, and even print out the Apple KB article for those who need it.

Source : Apple Knowledge Base : HT1490
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I believe majority of us knows about calibrating the battery. In my case, I actually did what you stated, which I know about of course and somehow my battery had the 'health' issue. But taking cognizance of the technician's advice, thus far the health of my battery is still 100%. Again, rightly or wrongly, they are supposed to be in the know technically and therefore for people like me would take heed of their advice.

In any event, since there are so many versions of how to keep the battery in good health, albeit without too much variation, I suppose each owner will have to do what they believe is best.

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