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Message
re: Question about computers
Posted on 3/4/15 at 4:09 pm to Korkstand
Posted on 3/4/15 at 4:09 pm to Korkstand
quote:
I think poor quality electricity can "jump" the power adapter/supply and damage other components, especially if the adapter/supply is itself of low quality.
This is true. Some of them have few or no protection circuits. Ideally, a good quality power supply/adapter, makes dirty power invisible to the user, and worst case scenario OPP/OCP will kick in and shut it off or kill it. But a shitty unit will just as easily continue to heat up for a while until it dies, possibly taking a few components with it. A capacitor on the unit could die at any time, and more noise/fluctuations would be allowed to bypass the unit and stress the hell out of voltage regulators on the motherboard.
Not at all common, since ideally the point of the power adapter/power supply is to prevent this, but you have to consider that $300-500 laptops (and up) don't exactly ship with high-end adapters designed with the absolute worst-case scenarios in mind.
1
Posted on 3/4/15 at 4:21 pm to ILikeLSUToo
My girlfriend's MagSafe went out not long after spending 6 weeks in Italy. It worked sporadically and occasionally the brick would lightly hum. She neglected to tell me the second part until much later when it finally went out. Apparently, it was going bad when she got there, and it slowly died. What I believe did it in, though, is that she forgot the International kit she bought from Apple here in the States, and when she found an Apple store of some sort in Florence, they gave her some shitty adapter. It may be a coincidence, but her MBP started acting up not long after she got back. A couple of months later, she experienced a full Logic Board failure. Now, I'm not positive that this was caused by her travel, but I would be very surprised if it didn't have a big impact on it.
It's always better to buy an adapter specific to your location if you're going to spend an extended amount of time there. It may be unnecessary in most cases, but the damage that can be done in the instances where shite goes South is usually far more expensive to repair.
That sounds like you're having an issue with overheating. If the fans are spinning up to a loud volume and you occasionally see lines, you could be running into overheating, specifically you GPU overheating. What type of lines are they? Are they more like waves and static on TVs or are they stationary with patterns? The lines could be artifacts indicating GPU issues.
It's always better to buy an adapter specific to your location if you're going to spend an extended amount of time there. It may be unnecessary in most cases, but the damage that can be done in the instances where shite goes South is usually far more expensive to repair.
quote:
With my lack of computer knowledge, I always figured that that signaled overworking and that it may have lead to, at least the lines on my damn screen.
That sounds like you're having an issue with overheating. If the fans are spinning up to a loud volume and you occasionally see lines, you could be running into overheating, specifically you GPU overheating. What type of lines are they? Are they more like waves and static on TVs or are they stationary with patterns? The lines could be artifacts indicating GPU issues.
This post was edited on 3/4/15 at 4:25 pm
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