- Nov 2, 2013
- 72
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- 10,660
WARNING: This will obviously take some time to read, but please read through the whole article in order to think of the best possible diagnosis. Thank you for your time.
Hello there! I am having trouble with an ATI Radeon HD 4850...this video card is such an annoying beggar, and the only working method so far has always returned me to square 1. What i am doing is trying to boot to the desktop...my desktop was working okay before, but then while i was playing a game, the video started getting really crazy, then the game audio froze and it had two fuzzy, vertical lines going down the screen, as well as it showed the main screen for a program on my desktop called GPUTweak. (I had overclocked this card before, but decided to immediately return it to stock clockspeed the second i set the higher one, because it was freaking out when i first installed it, and i wanted to make sure it was stable for at least 2 weeks.) Anyway, I was having fun on a game called Rigs of Rods (fun game, check it out), when the card decided to snap its neck like this. So i hard boot the computer, because the video card has totally frozen up the desktop. When i fire it back up, the screen has lots of blah on it, which looks like tv static lines, but with the normal bios screen and everything in the background, and the bios does not seem to be affected by this. It boots to windows with the same corrupted screen, then the video card waits a few seconds with a black backdrop to these graphical glitches. Then it goes blank, and shows green squares randomly placed all over the screen for a few seconds, and then nothing happens. The system resumes booting to the login screen, but with video output completely shut off. So i go ahead and fire the desktop up in safe mode, completely uninstall the drivers, then wipe the remains with CCleaner and the original Driver cleaner pro. I boot to my desktop normally, as if the card had no drivers (of course not at this point...it's the usual signs of no video drivers, 640x480, half-speed desktop, etc.), and i manage to install the drivers for this card with ease. I thought the card was all fine and dandy, and rebooted like the installer says to. When i login to my desktop, the video shows up fine, still set at 640x480 like a card with recently installed drivers usually does...then at the point where the screen should flicker black, then return, showing that the drivers are testing the video card, it instantly shows a sky blue screen with a few black pixels here and there. So i decide to head to bios to adjust some settings, so that the video card can run properly, or after 2 tries restarting the system, when the system reboots after saving the bios settings, the same graphical errors from the start of the article occur at startup, with the glitchy bios and the denial of video output whatsoever at the login screen, etc. I also should mention that it cranks the fan to the maximum and turns on the 2 red LEDs solid, and the video signal is lost instantly. So i am back at square one. WHAT IS THIS STUPID THING DOING??? i was just recently given the location of a place to get almost every computer part possible very cheap in my area, but i want to try fixing this card first, and I will lose lots and lots of stuff if i dare re-install my operating system or do a repair install, which replaces the registry files with the default ones completely and firetrucks up every single component in the desktop. I also notice two red LED's implanted on the blank side of the video card, which only turn on when the card does, then quickly turn off and do not turn on again until the next time the card fires up. Are these some sort of lights that are telling me that a component is fried, or are these 2 lights just there for the purpose of telling you that the card has turned on?
Here is a list of my desktop specs, just to help you out a bit.
Type of desktop: Prebuilt, modified
Model: Dell Optiplex 745, largest tower available (Mini form factor)
RAM: 2x1gb ram, 2x512mb ram, total 3gb of ram, DDR2
CPU: Intel core 2 quad q6600 clocked at 2.40 ghz per core
Video: ATI Radeon HD 4850 (just a reminder)
Chipset: Intel Q965 Express (stock MB)
PSU: 520 watt, cannot remember model, but has 2 of the external 6 pin video card power plugs, one used by my video card ATM
HDD's: 1 4tb, only 2 tb recognized, also 1 80 gb pre-installed. Both are SATA-type.
OS: Windows XP Home 32-bit SP3
Monitors: 1xfullscreen monitor, 19 inch, optimal resolution 1280x1024
Video plug being used: 1 of 2 dvi ports, using DVI to VGA converter
BIOS: 2.6.6, latest available bios
I am unsure of any bios updates or anything for this video card...i have heard of such thing, but have never had to deal with this, as i have only had a card crash and burn on me one other time, but this other card would not start at all or anything, and the desktop would give an audio post error telling you the video card is toast. I cannot think of anything that could have messed this card up, possibly other than the fact that when i traded a friend for it, since it had no box, it did not have packaging to keep warm outside during the time i was waiting for a ride home to install the card. Please help...this has ruined my plans to bring this desktop to a league of legends club our school usually has after school on fridays.
Hello there! I am having trouble with an ATI Radeon HD 4850...this video card is such an annoying beggar, and the only working method so far has always returned me to square 1. What i am doing is trying to boot to the desktop...my desktop was working okay before, but then while i was playing a game, the video started getting really crazy, then the game audio froze and it had two fuzzy, vertical lines going down the screen, as well as it showed the main screen for a program on my desktop called GPUTweak. (I had overclocked this card before, but decided to immediately return it to stock clockspeed the second i set the higher one, because it was freaking out when i first installed it, and i wanted to make sure it was stable for at least 2 weeks.) Anyway, I was having fun on a game called Rigs of Rods (fun game, check it out), when the card decided to snap its neck like this. So i hard boot the computer, because the video card has totally frozen up the desktop. When i fire it back up, the screen has lots of blah on it, which looks like tv static lines, but with the normal bios screen and everything in the background, and the bios does not seem to be affected by this. It boots to windows with the same corrupted screen, then the video card waits a few seconds with a black backdrop to these graphical glitches. Then it goes blank, and shows green squares randomly placed all over the screen for a few seconds, and then nothing happens. The system resumes booting to the login screen, but with video output completely shut off. So i go ahead and fire the desktop up in safe mode, completely uninstall the drivers, then wipe the remains with CCleaner and the original Driver cleaner pro. I boot to my desktop normally, as if the card had no drivers (of course not at this point...it's the usual signs of no video drivers, 640x480, half-speed desktop, etc.), and i manage to install the drivers for this card with ease. I thought the card was all fine and dandy, and rebooted like the installer says to. When i login to my desktop, the video shows up fine, still set at 640x480 like a card with recently installed drivers usually does...then at the point where the screen should flicker black, then return, showing that the drivers are testing the video card, it instantly shows a sky blue screen with a few black pixels here and there. So i decide to head to bios to adjust some settings, so that the video card can run properly, or after 2 tries restarting the system, when the system reboots after saving the bios settings, the same graphical errors from the start of the article occur at startup, with the glitchy bios and the denial of video output whatsoever at the login screen, etc. I also should mention that it cranks the fan to the maximum and turns on the 2 red LEDs solid, and the video signal is lost instantly. So i am back at square one. WHAT IS THIS STUPID THING DOING??? i was just recently given the location of a place to get almost every computer part possible very cheap in my area, but i want to try fixing this card first, and I will lose lots and lots of stuff if i dare re-install my operating system or do a repair install, which replaces the registry files with the default ones completely and firetrucks up every single component in the desktop. I also notice two red LED's implanted on the blank side of the video card, which only turn on when the card does, then quickly turn off and do not turn on again until the next time the card fires up. Are these some sort of lights that are telling me that a component is fried, or are these 2 lights just there for the purpose of telling you that the card has turned on?
Here is a list of my desktop specs, just to help you out a bit.
Type of desktop: Prebuilt, modified
Model: Dell Optiplex 745, largest tower available (Mini form factor)
RAM: 2x1gb ram, 2x512mb ram, total 3gb of ram, DDR2
CPU: Intel core 2 quad q6600 clocked at 2.40 ghz per core
Video: ATI Radeon HD 4850 (just a reminder)
Chipset: Intel Q965 Express (stock MB)
PSU: 520 watt, cannot remember model, but has 2 of the external 6 pin video card power plugs, one used by my video card ATM
HDD's: 1 4tb, only 2 tb recognized, also 1 80 gb pre-installed. Both are SATA-type.
OS: Windows XP Home 32-bit SP3
Monitors: 1xfullscreen monitor, 19 inch, optimal resolution 1280x1024
Video plug being used: 1 of 2 dvi ports, using DVI to VGA converter
BIOS: 2.6.6, latest available bios
I am unsure of any bios updates or anything for this video card...i have heard of such thing, but have never had to deal with this, as i have only had a card crash and burn on me one other time, but this other card would not start at all or anything, and the desktop would give an audio post error telling you the video card is toast. I cannot think of anything that could have messed this card up, possibly other than the fact that when i traded a friend for it, since it had no box, it did not have packaging to keep warm outside during the time i was waiting for a ride home to install the card. Please help...this has ruined my plans to bring this desktop to a league of legends club our school usually has after school on fridays.
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