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• Memory (flash) cards secure delete (have to use algorithms or just delete?)

  - by daveny

  We all know that if you want to completely delete files from HDD, you have to use a special erase algorithm in order to make it impossible to read it back. But what with the memory cards? Do they need the same algorithms to ensure that no one could read it back? (it has a completely different structure to store data, and I don't know what the case here with secure delete)

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• GPU not powering on

  - by Lerp

  So I got home from work yesterday and went to turn my computer on as per usual to be greeted by this: The screens remained black, so I rebooted; I go as far as GRUB before my screens went black again. I rebooted again, they didn't turn on. I rebooted again, I got as far as the windows login screen. This time I unplugged it, opened it up and cleaned it but to no luck. The GPU was still being tempermental. I repeated the process of turning off and on several times until one time it work as normal. I happily played games for the rest of the night (5-6 hours?) thinking everything was jolly good now. Well I get home from work today and it is doing the SAME thing. Sometimes everything displays normally for a few seconds to minutes then the screens go black; then sometimes the screens don't come on at all. Summary and additional points Screens sometimes turn on before shortly turning off, sometimes they don't; I cannot seem to determine any pattern between when they do or do not turn off. The build has been working fine for about 8 months now so I know it's not hardware incompatibility. If I plug a monitor into the on board graphics I can use the PC normally (just in low graphics mode) I have two monitors and it's a case of they both turn on or not. So I think I can rule out the monitors being dead. I have tried replacing the GPU I have tried replacing the RAM I have tried flashing the CMOS I have tried cleaning the inside The GPU is a Radeon HD 7870 My questions Is my GPU dead? It's not very old and I would rather have a method of being certain it's the GPU before I fork out some money I can't really afford. I do not have a second PC here to test it in. If my GPU is dead why does it sometimes work and sometimes not? Update Okay, it was working again.. at least I thought it was. I left it running for 10-20minutes with the screens black. Turned it off and straight back on and it worked for all of 10minutes. I was then updating the post in joy thinking I could play some games for the rest of the night when BAM it went black again. So yeah, I don't know :C

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• Chipset GPU causes a massive slowdown

  - by zyboxenterprises

  My AMD Radeon HD 7700 recently broke (fan stopped working and GPU overheated), and now I'm running on internal chipset graphics, and it causes a massive slowdown of the whole PC. I've changed the graphics memory from 32MB (minimum) to 256MB (highest), and it hasn't made any difference whatsoever. I'm using Windows Aero, and disabling it should have made a small difference, but it didn't; the whole PC is still slow. I know that it's not the computer build, because I built it myself, and it was a lot faster when it had the AMD Radeon HD 7700 in it, which is the reason why I believe it's the internal chipset graphics that are causing the problem. Is this behavior normal? I don't have the cash right now to go out and buy a new dedicated GPU. I'm using an ASRock N68C-GS FX motherboard with an AMD FX 4100 (overclocked to 4.3GHZ), with 4GB RAM. The overclock was an attempt to resolve this issue, and it isn't related to this issue that the integrated graphics is causing a slowdown.

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• Sound device doesn't work in Windows 7

  - by Alex Farber

  Device manager shows that device is properly installed: High Definition Audio Device Device type: Sound, video and game controllers Manufacter: Microsoft Location: Location 0 (Internal High Definition Audio Bus) But every program trying to play sound reports that devicce is unavailable. In Windows XP it works properly.

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• Linux Mint Debian Cinammon soundcard selection

  - by Peter Gridling

  i use said OS and i am missing a window or setting to set the default soundcard. I have a builtin analog soundcard which works just fine and is set as default, also i have a usb headset which works fine eg. with mumble i set input and output on my headset and it just works, also the mute button and volume control on the headset works, but on the default soundcard lol. what i am missing is to set my headset as the default soudcard. i also tried some stuff from there: http://wiki.debian.org/ALSA/ but it seems that alsa is not supported 100% :( some1 here to help? best regards

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• Screen occasionally flashes black when under load, sometimes does not recover

  - by Oak

  I've built a brand new machine, but to my horror my monitor occasionally flashes black for around a second, then returning to normal. This happens under load (watching videos / playing games) but only sometimes; e.g. it doesn't occur in "Batman: Arkham City" but does in "XCOM: Enemy Unknown". When watching videos, it also occurs when not watching them full-screen, and it sometimes even occurs when the machine isn't doing anything, just sitting at the desktop and moving the mouse around. Has anyone ran into this problem and knows of any solution? Additionally, sometimes after the black screen, it won't return to normal, instead turning completely corrupt. In these cases even quitting the application doesn't help, but physically disconnecting and reconnecting the monitor fixes the problem. This problem did not occur on my earlier machine which used the same physical monitor. Additional details: Windows Server 2012, configured as Windows 8, with latest updates installed NVIDIA GeForce GTX 660 Ti, with latest driver installed Ample amounts of CPU and RAM for playing the above games and for watching videos. I've read about similar problems elsewhere but could not find a working solution: http://www.youtube.com/watch?v=Zt00C-HXFbA&noredirect=1 http://www.sevenforums.com/hardware-devices/59126-monitor-flashing-black.html https://eu.battle.net/d3/en/forum/topic/4079098908?page=4 http://www.tomshardware.com/forum/347422-33-screen-flickering-black-nvidia-driver-update

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• Possible DVI Spliter Issues?

  - by Kurru

  Hi I am thinking about buying a DVI splitter cable online and a DVI- HDMI adapter. Can i use these to clone my monitors output so one can go to my monitor, and the other to my projector? Can anyone think of any issues with using the adapter like this? Would there be problems with signal lose or anything? Thanks

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• Realtek "Microphone Effects" no longer working

  - by abc

  I have a mic plugged into my computer, and I was able to use the "microphone effects" tab here to enable/disable noise suppression and acoustic echo cancellation. Noise suppression off and acoustic echo cancellation on were the most recent settings I had on before the problem occurred. I disabled my mic in the windows 7 "recording devices" tab, then re-enabled it. When it came back, these options were grayed out, and remained so even after a reboot. I am not sure why this is or how to fix it, all other options are still the same (Settings are identical to when it was working). Any ideas whats wrong or how to fix it? edit: can't post image due to being new.

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• Graphic Setup tune-up checklist

  - by Click Ok

  I was trying to play the game Warzone 2100 and the games runs fine, with nice speed, but the screen stays with a horizontal lines "flickering"... My PC have a integrated GeForce Go 6100 vga. Ok, not a powerfull vga, but it's not the end of the world to run a "simple" game like this (compared with another games that ask you send your eyes to purchase a expensive vga). So, I think that the problem can be of the configuration of my machine. I use it in first instance for programming jobs, so I underpay attention to video setup. I would like about a checklist to know if my PC is "ready" to games. By example, I know that I need: Lastest vga drivers Updated DirectX and OpenGL What you suggest? There is too some good programs to test performance and suggests improvements in the system? Thank you! PS: I'm using Windows 7

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• Graphics Cards - What is Multi View?

  - by Keith Nicholas

  I have been looking at graphics cards, and I notice that some of them feature 'Multi View', only I cannot find a definition of what it is? What is Multi-view and what is it used for? It is a vendor-specific feature (such as SLI)?

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• How to change resolution in Ubuntu 10.04, where xvinfo is showing no adapters present?

  - by YumYum

  I am trying to maximize my resolution where I have Resolution: 800x600 (4:3) and Refresh rate: 61Hz I tried the following, but it did not work: $ xvinfo X-Video Extension version 2.2 screen #0 no adaptors present $ cvt 1920 1080 # 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync $ xrandr --newmode clever_name 173.00 1920 2048 2248 2576 1080 1083 1088 1120 $ xrandr -q Screen 0: minimum 640 x 480, current 800 x 600, maximum 800 x 600 default connected 800x600+0+0 0mm x 0mm 800x600 61.0* 640x480 60.0 clever_name (0x11d) 173.0MHz h: width 1920 start 2048 end 2248 total 2576 skew 0 clock 67.2KHz v: height 1080 start 1083 end 1088 total 1120 clock 60.0Hz $ xrandr --addmode default clever_name $ xrandr --output default --mode clever_name xrandr: Configure crtc 0 failed

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• ATI Firepro v4800 3 monitor support

  - by Jared275

  I have an interesting, yet very frustrating problem. I have two computers, both running win7 32 bit, and both with ATI Firepro V4800 graphics cards. Both are using the DVI port and two DP to DVI adapters to connect 3 monitors. One of them is able to display three desktops, while the other fails at enabling the third, displaying "cannot save changes" in display properties while requiring that one monitor must be disabled when making the change in CCC. I've verified that both computers have the same driver version and that both are using the same DP-DVI adapters. This articles suggests a few things to try, but none of its suggestions seem to work either. I'm kind of at my wits end, hence my posting here. If this is not an appropriate question for SU, I apologize. I admit that I am not very familiar with the differences between dual link and single link DVI, and that is something I have not verified is standardized between the two computers. Is that a possible reason one is working and the other isn't? How do I check if the DVI cable is a single link, or dual link?

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• Is HDCP working for ATI/AMD cards on windows 8?

  - by Joel Barsotti

  I have an AMD 6950 and am running windows 8 RTM. I've tried the Catalyst 12.8 drivers and the 12.9 beta drivers. With either drive HDCP seems to be non operational. I've got two dell monitors, one a u2410 and the other a 2408wfp. Both were previously identified as supporting HDCP in windows 7 with the same hardware. I've tested the monitors individual on both DVI and display port, and neither one works. I'm using cyberlinks BD-Advisor to test. My end goal is getting the DirecTv2PC app working again, which is by cyberlink for DirecTV, and requires HDCP. Currently it shuts off when you start playing a recording.

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• Why does my general frame rate slow down to 40fps randomly?

  - by Joshua

  This has been bugging me for a while. Every once in a while, I find my computer to be sort of laggy and I thought it was because it was busy or something. However, I recently noticed that it wasn't any performance issue...I thought my computer was laggy because the frame rate slowed from 75fps right down to ~40 fps and caused very visible tearing. This is not rare. It happens many, many times a day. I have no idea what is happening...I have an AMD 5670 on Windows 7 32-bit by the way, and I've heard bad things about AMD's driver support. Could this be the problem? P.S. The frame rate slowdown is not just for games (I rarely play games, and have not played games in the time since I noticed this problem), it seems it's an issue for the entirety of Windows. I first noticed the tearing when I was moving around tabs in Google Chrome.

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• Explorer.exe - No such interface supported and other issues

  - by tom

  The problem started when I uninstalled my ATI graphics driver and i used a driver cleaner. After i restarted win7 and it got to POST the screen just went completely blank. So i Used system restore from the repair menu to get back on. I found out that if I ran chkdsk the display just goes black after restart on startup and i have to use system restore to get back on windows7 not sure why this is. When i right click desktop and choose 'Screen Resolution' it says No such interface supported. Also when I click items such as device manager in the windows explorer it does not do anything. I have tried re-registering the DLLS but that did not do anything.

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• Recording Interfaces for OS X that are supported/work well?

  - by Troggy

  For os x, I would like to know what other audio production/music recording interface type products people have found to work well with os x? I do not want to know about stuff that only works. I want to know about solid products that work well and are supported well by the company when issues arise. I for example have a M-Audio Firewire Solo recording interface. I have found M-Audio to be a company with great mac support for their products and they integrate well with os x features and apple software. Clarification: I am wondering about the recording interfaces themselves, as in the hardware, that are compatible with os x and supported/work/integrate well.

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• I set a frequency too high for my monitor. How can I get it back to normal?

  - by ChristianM

  I have a Geforce 8500GT on my PC, and I made the stupid mistake of setting it to a higher frequency than my monitor can manage. It boots up and it shows me this… and that's all. I can't do anything. The thing is that I think this video board is a little broken anyway, because when it boots up i can't see anything until Windows starts loading. But it worked fine after, no problems. I'm on my on-board video board now, and I don't know how to set the frequency back, because when I boot up with the on-board one, it says something like "changing freq" and it goes ok. How can I get the frequency back for the 8500Gt?

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• Obtaining clear cable signal with Hauppage 1191-950Q TV Tuner

  - by Kyle B.

  I bought a Hauppauge 1191 WinTV-HVR-950Q TV Tuner a while back, and I am attempting to use it to watch TV in Windows Media Center. I do not have cable TV, however I used to have Comcast. Through experimentation, I found that connecting my coax cable into my TV, I was able to view television (i.e. 2-1 = CBS, 5-1 = NBC, etc). This also works on a second TV I use in another room. When I connect the coax cable to my TV Tuner stick and scan TV channels in Windows Media Center, it only picks up 1 station (like 81 or something). My only conclusion on this is somehow the hardware in the television is decrypting a signal that the TV tuner stick is not able to. Is that possible? Should I try a different TV tuner? Any assistance would be appreciated. I also bought a Terk HD Indoor Antenna but my reception has been flakey, so I would rather go this route if possible.

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• Intel HD 4000 driver not working

  - by Sagar Parakh

  I have a Dell Inspiron 15r se 7520. I have upgraded my system to Windows 8.1 few days back. After the upgrade, my Intel HD 4000 graphics driver stopped working. I have downloaded the latest driver from Dell website but during installation it said that my graphics driver is not compatible or validated and also my dedicated graphics driver AMD ATI Raedon HD 7730m also stopped working. There is also a problem with my screen brightness: I am unable to change it. How to make my graphics driver work?

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• How to uninstall AMD Display Driver from other install of Windows

  - by nar

  So my Windows 7 had a BSOD from an Ati driver file then restarting only gives me some wierd coloured lines at the top of the screen. Starting in safe mode causes the boot up to freeze at AtiPcie.sys and overlays the same coloured lines on the safe mode start up display. It seems to be a problem with the display driver but I can't get into the OS at all to uninstall it. Luckily I have an old install of Windows 7 from when I moved to a SSD still on my HDD and that runs just fine so I'm pretty sure its a software problem (Maybe the SSD corrupted a driver file or something). So does anyone know how I can uninstall the driver files from another Windows 7 install on the same PC? EDIT: What I mean is, I'm running on the broken PC right now but using a different HDD's windows install. I have full access to the not booting up OS drive with the Windows so I can delete any files/load the registry etc...

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• Deactivate GPU and use IGP

  - by squelos

  I am having some trouble with my Sony Vaio SVE1511W1e laptop. It has an ATI Radeon and the i5 has an IGP (i5 2450m). I don't often use my GPU, and the IGP would be just enough for most usage I do. Therefore, in order to improve the battery life, I wish to deactivate the GPU and use only the IGP. The problem is that my BIOS doesnt allow me to do so. But I believe it is possible to deactivate the GPU 'programatically'. I'm running Debian Wheezy on the 3.2.0.4 AMD64 kernel. The first problem I'm running into is that when I run lspci, my IGP doesnt show up. Could this be because im lacking a kernel module? (I chose a targeted installation). What are the solutions to deactivating a GPU and using an IGP on a Linux System such as debian?

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• Possible DVI Splitter Issues?

  - by Kurru

  Hi I am thinking about buying a DVI splitter cable online and a DVI- HDMI adapter. Can i use these to clone my monitors output so one can go to my monitor, and the other to my projector? Can anyone think of any issues with using the adapter like this? Would there be problems with signal lose or anything? Thanks

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• Video has become blurred and smoothed out?!

  - by benwebdev

  Hi, Since yesterday video and graphics on my Windows 7 desktop seem to have become smoothed out and blurred slightly and I'm not sure why. The last thing I did on the machine was play Fallout New Vegas for the first time. An example can be seen in the picture here screenshot - note how smoothed out the character on the right seems, lots of definition looks lost. It's really annoying and happening regardless of what I watch. My system is below: Windows7 Ultimate 64 bit 6GB RAM Sapphire HD 5770 Vapor-X 1GB Gigabyte X58A-UD3R Motherboard Coolermaster Silent Pro M series 700W power supply All help greatly appreciated thanks

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• Is it possible to update Lenovo T500 hybrid graphics driver?

  - by Shiki

  Hope someone had the same problem before. My laptop comes with two video "cards". Intel MHD4500 and ATI Radeon HD3650 (mobility). I can switch between them with the "Lenovo Battery Manager" from the taskbar. All good, but Lenovo provides the driver for this. The problem with that driver is they are a bit old. (Both Intel and ATI). For example I doubt I have any gpu accel in flash, and I experience some problem with dual display setup, which the new ATI driver would solve. Basically I want to create a new driver (I read a topic where a guy said its possible... baaack then when I was searching for something else). One needs a special ATI driver creation utility or what... sorry I can't recall the name of it. Thanks in advance. (Ah yes I forgot: The OS is a Windows 7 x64 Ultimate.)

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• 2x ATI FireMV 2250 not working

  - by Brett Rigby

  I've just bought 2x ATI FireMV 2250 cards from a reputable seller on ebay... one is a PCI-E x1 and the other is a PCI-E x16. Problem is, neither works in my Dell Vostro 220 PC... Both cards appear to not work. Is there something I'm missing? The seller used an anti-static bag for one of the cards, syaing that: "You Must connect this graphics board to the computer's power supply" but there's no socket for that, nor any indication. I have contacted the seller, but thought I'd raise it here, as it seems strange that two cards can be non-functioning.

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