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/halp/ - Technical Support

/pr/ is back! All programming needs go there.

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Movies & TV 24/7 via Channel7: Web Player, .m3u file. Music via Radio7: Web Player, .m3u file.

WebM support has been added on a trial basis. Please check this thread for more info.

Recomended Reading Smurfer ## Mod ## 09/08/01(Sat)01:50 No. 3145 ID: b315cf [Reply] Stickied

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A few things that might help get those questions answered faster.
Be specific when you are talking about something - "my mp3 player is broken HALP!?"
- What kind of mp3 player, (brand and model)
- What isn't is doing now that it was before (the reason it is "broken")
- What were you doing to it last, right before it broke.. Did you maybe drop it?.. get it a little wet? try to flash the firmware?!

These all help in determining what can be done.
These rules do not just apply to MP3 players.
Just be as specific as possible and don’t leave stuff out, we want to be helpful here, try not to make it a scavenger hunt for clues!
These same rules apply for other situations like “I got a new motherboard and now my computer doesn’t post!”
-old motherboard model
-new motherboard model
-ram (speed)
and any other component you might have in there (most of the other stuff usually won’t matter but list what you know.

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Anonymous 14/02/28(Fri)05:30 No. 21006 ID: 10d6c2

I don't know if it's still the case, but back when I was taught electronics they covered house wiring as part of the curriculum. I'm going to guess they don't do it anymore, because everyone younger seems shocked that a geek like me knows house wiring...

Anonymous 14/08/10(Sun)20:16 No. 21312 ID: 6cf8dc [Reply]

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couple questions about computers

1. what is the cause of older games not working on more modern computers? is it because games are designed for certain OSes? or is it a hardware issue?

2. i've heard programs designed for powerpc macs won't work on intel macs. why? (just asking, i don't care really because apples are for faggots). if software is dependent on cpus, are there programs for pcs that won't work for amd machines?

3 posts omitted. Click Reply to view.
Anonymous 14/08/13(Wed)02:35 No. 21321 ID: 74c175

It's called virtualization, basically you emulate an Operating System (with the same architecture, or an architecture that is compatible with your current CPU) with the specs you want. But if the architecture isn't the same you only have the option to emulate.


Anonymous 14/08/21(Thu)19:43 No. 21351 ID: fdaa77

1. well yes, some games are designed for specific processors (think like atari), but more specifically, older DOS games were written to access hard-coded memory addresses in real mode. it's only with the intel 386 processor and protected mode that windows is able to do the memory allocation and you can use relative addresses. the upside of this is there is no conflict between applications because the operating system manages memory access (before that, you could have one program try to write memory address 0x0ff4:0000, then another program tries to write it, then when the first program tries to access that location, it finds garbage it can't understand and it'll probably crash. with protected mode, that's not allowed. the operating system ensures programs have their own separate memory space, and will terminate the program (program crash, not system crash) if it tries to access memory it doesn't have permission to.

2. different processors, meaning different architectures, and more importantly, meaning different instruction sets. the operations use different operands and parameters. hell even the whole assembly language is different.
software may or may not be CPU-dependent. nowadays, software is written in high-level languages (pascal, C, C++, C#, Java). then what's called a compiler will compile the code into machine language for the appropriate platform (x86, ARM, powerpc, whatever). if however you write low-level code that is architecture-specific (for example input-output routines for x86 in assembly language), that will not be usable on another platform (powerpc for example).

it is possible to write something for Intel CPUs that won't work on AMD CPU's, but it'll be extraordinary, because the instruction sets almost entirely overlap (99% or more). the difference are tiny, and it's in how some special instructions are handled.

now, back in the early 90s, when they were a little more different, you could write code for one that won't work on the other. for example you could write intel code that used pentium pro instructions, and they wouldn't work on the AMD K6-2, and you could use AMD's 3Dnow! instructions and they wouldn't work on a pentium 2. but who'd do that? usually if a game writer wanted to optimize the code to use 3Dnow!, he'd write a routine to detect the instructions the processor can handle, and will branch to the unoptimized code if it can't do 3dNow, and to the optimized code if it can.

Anonymous 14/08/22(Fri)04:57 No. 21353 ID: a2a27a

> The problem with emulation though is everything gets emulated. There's no talking directly to the hardware in the system.

Newer CPUs have a feature called IOMMU that allows this. I'm sure it's lower performance than non-virtualized but it helps.

I'm pretty sure VMWare uses it, but it still sucks for gaming because the rendered graphics window won't snap to the size of the VM's window. Probably a DirectX issue more than anything else, though.

No privacy online sucks! Anonymous 14/08/22(Fri)04:04 No. 21352 ID: 9c24e1 [Reply]

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Hello people of this board all the way from Mexico! I have a huge question and I was hoping that you fellows could provide me with some insight on what to do here, please.

As some of you might know, our government approved the law Telecom (old news, but I’ll leave a link with more info here: https://www.eff.org/deeplinks/2014/05/proposed-mexican-telecom-law-would-be-disaster-internet-freedom ) which basically means three big things:

My internet service provider will monitor all my activities (from now on all ISP check their customers).
My ISP will have a 2 year data archive of everything i do online and can check it whenever it feels like doing so; &
In case my ISP finds anything that the government dislikes (such as bad-mouthing the president or arranging a pacific protest) it will inform the authorities and will be arrest any suspect without a judge’s warrant.

As someone that likes to occasionally likes to lurk in /ss/, /cake/ and into sad panda I was wondering what measures I can take to be able of surfing these pages without having to worry to get caught (as a safety measure, I’m posting this from a cyber café).

Please, if you can, help a bro out, trying to explain as much as you can in layman’s terms (my English is not that good) and I needed an answer compatible with Mac (yes I know Mac is shit; just bear with me on this one as I have to bear with it) and PC. Thanks in advance for your help! Hope you can offer some insight of what can I do =D.

Anonymous 14/08/07(Thu)15:47 No. 21304 ID: aaad3e [Reply]

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I just made an app and I wanted to upload it to the Google and Itunes marketplace but I didn't know Google has a 25 dollar charge for every developer and itunes has a charge for every upload and moderates for quality. Do I have any recourse? My app will have a very small audience but will be useful for them. I want it to be free too.

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Anonymous 14/08/10(Sun)13:35 No. 21310 ID: aaad3e

okay so I went with your suggestions and I've been looking up this unknown random app stores on the net but they all require me to have an icon that's 100 x 01020 pixels exactly and other banal shit that I can't be bothered doing.

My motivation at this point is just to publish it so I can delete it from my usb and never think about it again. It's a really basic app (literally made in flash then adapted to apk) but it's useful for specific technical applications. My secondary motivation is I can include having developed the app on my resume to make myself a better candidate for some things but if I have to prove I want to be able to point to a published place and go HERE IT IS!

Are there any places I can just dump the apk and it have a chance of being found by people looking for apps without having to jump through shitty hoops.

Anonymous 14/08/11(Mon)03:46 No. 21313 ID: 852e30

Making an icon is an easy hoop to jump. So either put the minimal effort in or just accept your circumstances.

Anonymous 14/08/21(Thu)04:13 No. 21350 ID: a32de0

Can't androids install third party apps without a problem?

Anonymous 14/08/15(Fri)10:42 No. 21326 ID: e3fe28 [Reply]

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I'm looking for an external GPU for my laptop because
1. I don't wanna take it apart and fuck it up
2. I dont wanna pay someone to do it.

I have an Acer model and the sticker specs are
Aspie E1-572-6829
Intel Core i5-4200u 1.6GHz wuth Turbo Boost up to 2.66GHz
Intel HD Graphics 4400, up to 1792 MB Dynamic memory
6 GB DDR3 L Memory
802. 1 1 b/g/n + BT w/e that means

I don't wanna bottleneck or anything and I don't need anything SUPER fancy. Just enough to play games like Dragon Age Origins. It can already do that, but it gets hot pretty fast. I'll spend around $160-200. If internal GPU installation isn't step-over-step technical, then it doesn't matter if it's external or not.
If you get me some great results with cash left over, I'll pitch a free Steam game your way.

7 posts omitted. Click Reply to view.
Anonymous 14/08/18(Mon)09:08 No. 21338 ID: e9ee54

Your GPU is part of your motherboard chipset. That's why its called an integrated chipset. It's not sitting on a separate card inside the system.

That guy didn't bother to read anything more than the single sentence that triggered his autism.

Only a few high end "gaming" laptops use cards like that, and yours is not one.

Anonymous 14/08/19(Tue)14:35 No. 21339 ID: f8e042

You're looking for those PCI extenders. It'll still require opening the laptop up and connecting a miniPCI card, though that card slot is most likely already in use by your wireless card.

If you have an ExpressCard slot, you can get an adapter for that as well.

If anything performance will not be good because the max you'll get is either x1 or x2 so an overly powerful GPU won't be utilized to the fullest.

Also, it's expensive. DIY solutions are only slightly cheaper than the commercial ViDock solution, but this gets you on the right path: http://www.villageinstruments.com/tiki-index.php?page=ViDock

Anonymous 14/08/21(Thu)03:45 No. 21349 ID: 10d6c2

An underly powered GPU won't be utilized to the fullest either.

But it's certainly a method I wasn't thinking about earlier.

Whats good for keeping 8.1 clean? Anonymous 14/08/19(Tue)23:00 No. 21340 ID: 973603 [Reply]

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Whats currently the best free software for cleaning up a Windows 8.1 PC?

Kinda just got my new PC up and running for a month now and was a bit unsure on what i should get to clean out registry errors, spyware and all of that general stuff its usually good to run trough each month.

So thought i should ask what people recommend, I use to run CC cleaner and Malwarebytes on my previous Windows / PC and that served me well enough.

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Anonymous 14/08/20(Wed)01:27 No. 21342 ID: 10d6c2

90% of the "cleaning" software available will progressively fuck up your Windows installation and is responsible for most of the people who complain that they need to periodically reinstall Windows.

I had a single Windows XP installation that survived over 10 years, migrated between 4 motherboards. The fucking idiots who were so anal retentive they couldn't uninstall a single program without running a "cleanup" app after were the ones whose installs couldn't last a year.

CCleaner is fine to use, it mainly clears out temp, configuration, and orphaned files, the ones who are saying they know how to uninstall software better than the people who wrote software are the ones to stay away from. So what if you have a couple extraneous DLLs here and there lying around, its not going to break shit, and you don't have a 10MB hard disk.

Anonymous 14/08/20(Wed)12:41 No. 21343 ID: 9e6dbe

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Those people you are referring to just have shitty habits though. They are probably going to Ask Jeeves and typing "how can I make my computer faster?" so of course they just get bogus programs bundled with viruses. You say CCleaner is an exception, but this is just an example of a standard (legitimate) cleaner. I guess some people just don't know the difference between something like Penis Pill Popup Program Pro and legit software like CCleaner.

That said, OP, you don't need 50 different programs that do the same thing. Since your computer is new, though, I'd run PC Decrapifier on it, and you could also look at Glary's Registry Repair and System Mechanic.

Anonymous 14/08/21(Thu)01:11 No. 21347 ID: 10d6c2

No, they're just installing crap like "Advanced Uninstaller" and similar products that have what's best described as definition files. After you run a program's uninstaller, you tell the "cleanup" program what program you just uninstalled and they - based on the definition - walk through your drive removing files it "knows" the installer left behind. Any other piece of installed software that also used those files ends up hosed.

CCleaner doesn't do anything like that, the worst it does is it walk through the registry looking for files that are registered but aren't present at the registered location.

Anonymous 14/08/14(Thu)22:12 No. 21323 ID: 9c0ce1 [Reply]

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So, I'm trying to install linux on Acer Aspire D270, with GMA3600 graphics chip. Currently I'm running 3.2.60 kernel, which seems to support the closed source driver: cedarview_gfx.

The system works otherwise correctly, except after hibernation only the bottom half of the screen is blank, as if there was some sort of overlay. I feel have rounded the problem enough to acquire meaningful help, should linux-knowledgeable people browse this board.

-This not an X issue! It happens when booting to console as well.
-Under X, the color of the overlay changes depending on screen context, in console it's black.
-That bottom-part of the screen does not receive click in X, I'm fairly sure.
-My suspect is that it has something to do with the framebuffer, as it manifests in pure console environment as well.
-Forcibly unloading and reloading cedarview_gfx has no effect.
-Can't run without framebuffer; KMS depends on, cedarview_gfx uses KMS.
-The cedarview framebuffer "bsbfb" seems to start no matter what the kernel options are.
-With cedarview_gfx, if I blacklist fbcon, the screen goes blank when cedarview_gfx starts, so that missing dependency seems to be a hard one.
-pm-hibernate quirk -options have no effect, I have tried every combination.
-Same with 3.1.0 kernel.
-fbset has no effect, I can change modes but the overlay stays.
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Anonymous 14/08/15(Fri)00:26 No. 21325 ID: c8ca8f

What flavor are you using, mate?

Anonymous 14/08/15(Fri)22:19 No. 21328 ID: ef8490

Ah, right. Arch linux, but shouldn't really mean much, as kernel is self compiled 3.2.60 and much other stuff is downgraded. Only if it was with systemd or initcpio, but neither should do try to change modes.

The thing gets wonky the moment psbfb gets loaded after hibernation. No difference was there vesafb before it or not. If there was, vesafb would get removed.

One more thing: the edge between the black overlay and the rest is not clear cut, but has some glitching on the edge, so it's a bug? Is there anything that could be done to make it not manifest?

Sadly there are not many things to remove, as it seems, bot virtual terminal and framebuffer subsystems are needed by cedarview_gfc and KMS. Supposedly I could lower the number of VTs to 1 (would make ssh login impossible?) and disable unix98 VT compatibility, but not much more.

Unless there was something completely different.

I'm not sure pm-hibernate actually uses any of the quirks as none of the quirks actually fail the thaw; they seem to have no effect at all...

Anonymous 14/08/16(Sat)10:17 No. 21332 ID: ef8490

What I'm saying, there must be something in my .config that doesn't go with this garbage chip and its drivers, but I'm not entirely sure where to start.

In make menuconfig there are not many options that can be changed regarding VTs and Consoles in the first place and the rest are -*- (meaning something else depends on them).

Anonymous 14/05/24(Sat)02:53 No. 21167 ID: dc5fec [Reply]

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So I got a mouse to replace my old mouse what had doubleclickitus.

Apparently, that shit is communicable, because New Mouse is doing it too.

It's a generic, I have no idea who the manufacturer even is, but I'm pretty sure this is a software or port issue and I am at my fucking limit with dealing with this doubleclicking horseshit.

3 posts omitted. Click Reply to view.
babushka 14/05/24(Sat)12:05 No. 21173 ID: dc5fec


dry air shouldn't be the issue.

Even if that does sound a little weird.


Oh dear. :T

Anonymous 14/08/11(Mon)04:00 No. 21315 ID: 852e30

Mice buttons sometimes have flimsy brass springs which fail, but it sounds to me like you're either abusing yours or buying shitty products at below-cost value.

My advice to you would be to go and buy a Microsoft Intellimouse. Nothing fancy. Just two buttons and a scroll wheel. They were designed for schools, prisons, and mental institutions and will likely survive OP's clumsy habit of knocking his mouse onto the floor.

Anonymous 14/08/16(Sat)08:41 No. 21331 ID: e3fe28

Y'all are weird.

I've gone with Logitech for years. Cheap hardware that lasts if you're not a clutz. Even then, there's a few things of mine that have taken quite the abuse over decade and still work, although they belong in a museum now. I bought a simple three button mouse, optical, takes one AA battery that lasts over a freaking year. Seriously, I never turned that shit off and gamed my ass off with it. It has a micro USB reciever that you can ever stuff inside the casing for easy storage. I don't remember the name of it, but it's been my favorite mouse for years and it was only $35.
Certain tech you just shouldn't skimp on, especially the stuff that sees a lot of use.

Pocket Pussies

skimp on any of these and you'll see their demise before you know it.

Anonymous 14/08/14(Thu)09:27 No. 21322 ID: e3fe28 [Reply]

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I've just refreshed my laptop with Win 8.1, Acer model and it comes stock with a bunch of crap apps. I've removed a bunch of them through add/remove, but there's still some I can't find through there. Also, the system uninstaller doesn't do a good job of cleaning everything up, even after a reboot. I've done some research through google about uninstallers, but there's not a whole lot of forums or actual support for Win8 out there, so I'm pretty unsure about what to use. Best reviews I've read are for Revo and Advanced Uninstaller. Anyone here use these sorts of programs?

Anonymous 14/08/14(Thu)23:51 No. 21324 ID: bf87e3

CCleaner is pretty handy and reliable. It can even clean up your registry after a particularly messy uninstall of installations passed.

And yes, it supports Win8.1.

Audio Static Anonymous 14/05/15(Thu)03:23 No. 21142 ID: fedad3 [Reply]

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I'm getting weird static over my headphones. Doesn't matter if I use USB or 3.5mm, although it seems worse on 3.5mm (might be my imagination).

The weird part is that certain graphics on the monitors make it worse. For instance, when running certain applications and games, the static is almost unbearable. On a clean, black desktop with no applications running, it's barely noticeable, but moving the mouse pointer across the screen makes the static rise a bit. VLC videos (muted) don't make it worse, and neither screen seems to be worse.

I do not have a sound card, and my primary audio-out jacks are on the front of the chassis. There are no free USB ports in the rear, but unplugging the keyboard and plugging the headphones into that one yields the same results. I have tried multiple USB and 3.5mm headphones, no change.

Anybody know what could be causing this? I did have an incident with a fan clipping against the housing for a while and dusting the inside of my box with a fine black powder, could that be shorting something? Strange that the static only appears for certain applications though.

I'm really hoping I don't have to replace the chassis. I happen to like this one. And I'm a lazy cunt.

3 posts omitted. Click Reply to view.
Anonymous 14/05/15(Thu)09:52 No. 21146 ID: e9ee54


It's Babbys First Linux.

Anonymous 14/05/15(Thu)20:24 No. 21150 ID: fedad3

This Seems Easy Enough™.

I'll give it a shot.

Anonymous 14/08/12(Tue)08:23 No. 21318 ID: c1b3d7

It might be your onboard DAC that is the problem. get a cheap external DAC and hook it up via usb so you can bypass the onboard one.
(this post is old and I'm probably wasting my time replying)

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