How many hours should the macbook pro 2013 battery last

so i hve this new macbook pro 2013 and its 15 inches ive been taking care of it i keep the brightness low but comfortable, anything i dont need such as bluetooth is off but when i first bought it it lasted 8 hours now it lasts for 4-5 hours is that bad or good and can someone tell me how i can take care of it in a better way?

you might have something running in the background - open activity monitor and check the %CPU section under All Processes and not My Processes. Anything running around 10% and above will drain your battery.

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How many fans does the Macbook Pro late 2011 15 inch have?

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Actually, it's kind of hard to tell you what to replace. If you have a spare hard drive laying around, go for it. It also could be memory issues (I have the same model as you) & it was my sister-in-law's notebook before I get it. The notebook had several memory dumps that CCleaner found & deleted when I was working on it.
I told her that I would re-install it for her to make sure there no viruses or such. After backing up the computer, I proceeded to what was supposed to work, pressing "0" at startup to no avail, then booted into the area where the system restore, command line repairs & such were, & there was the option for a factory reset, the last option. I chose that one, & like you stated, it rebooted numerous times, until finally it was through. Longest factory re-install I've ever done.
What led me to believe there were memory issues was during the first round of updates, it BSOD'd, another memory dump was found by my portable CCleaner. It still had the original Samsung PC3-8500 memory, so I took the memory that shipped with my MSI (PC3-10600) & installed that, then not only was all fine, it was noticably faster. Once I got it fully updated & scanned with MBAM & the ESET Online Scanner (I always do this when installing or re-installing a computer), I removed my memory & placed hers back in, then returned it to her.
I ended up with it about 10 days later, she said it was still dumping. Needing a spare notebook, I offered $100 for it, ending up paying $150, but still came out way better than on eBay.
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So it could be either the HDD or memory (RAM). Or worse yet, the MB itself. Has it been dropped? Notebooks are fairly durable, but they don't take to being dropped very well. Does it run hot? If so, there may be severe dust buildup that's causing it to overheat, that will make it BSOD. My guess is that's it's one of the first three that I mentioned above & if it's the MB, forget it. Prices are too high, even for used ones & in a notebook, it's basically a total teardown to replace it. If it's a new MB, it may cost between $200 to $400, depending on popularity of the model. That's too much to pay to repair a computer built in 2010.
I'm trying to give some suggestions here, based totally on personal experience on my & other's computers that I work on. However, online it's a cat & mouse game. I don't want to tell you to purchase another HDD unless it's almost 100% certain that's the issue. Which is why I asked if you have a spare earlier. Also, try reversing the position of your memory sticks (a 5 minute job), it's behind that lid close to the battery underneath the notebook.
Post back if you need further assistance. Someone else may have other ideas, so follow the thread.
Best of Luck,
Cat

How many hours should the macbook pro 2013 battery last

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