So, I recently read a question from someone regarding her HP Media Center m7580n failure. Turning the computer on, she noticed right away that there were strange patterns of colors on her screen. This pattern of colors changes as the computer boots, but the normal screen does not return. After a few minutes, the monitor powers down, saying there is no input source. Normally, her monitor is set at 1280x1024, but for some reason was set at 640x480 with this desktop. When she hooked the monitor up to a laptop, the resolution changed to match the laptop.
Originally, she thought, and hoped, that this was the graphics card, but noticed some things which made her think it was something much worse. First, she tried turning on the computer and then accessing the hard drive through her home network, but now, the media center did not appear on the network. She also switched monitors on the desktop, with no change. The only recent changes made were to security. She was originally using avg2012, but found it was clogging her system. She then uninstalled successfully, and installed avast. Avast gave a blue screen at start up, and would reboot the computer, at which point everything was fine. She uninstalled that and installed Pandacloud, 2 days before this started, but didn't notice anything indicative of this. This occurs right from boot and cannot access safe mode by tapping F8. Normally, she would get a motherboard control screen after hitting the power button, then the bios, then Windows loads. None were visible and the technicolor show begins immediately after power is activated. She initially thought it had something to do with the graphics/video card. However, the computer still remains unavailable to her network, no matter what! Suspecing it could be the RAM module, she wonders if that would affect the desktop from loading properly which is why it fails to connect with the home network?
It sounds like there is trouble and the help she has been getting is not solving the issue. I have my own input that "may" help understand what "might" be going on.
First, she doesn't explain what the "massive failure" was but I am going to assume that it was power related. My answer will be based on that.
With Avast giving a blue screen after installation, I am concerned that you may have had a problem even before the massive failure, albeit a small one probably.
The color pattern on your screen and the change of your settings does indicate monitor issues. This could be the monitor is blown, the drivers are corrupt, or the motherboard (in part) has been blown. Switching out the monitors takes away the blown possibility.
Then she says that the computer cannot be found on her network. Again, the network drivers or the motherboard could be the problem.
Now that you cannot use the F8 key to get into safe mode, you may have issues with the keyboard or the motherboard.
Whether or not it is RAM failure is not as strong of a possibility to me. RAM allows the computer to think and rarely interferes with the running of the system, safe mode, drivers, and the such. However, if you want to check it, it is a simple and low cost check. If you have two or more sticks in the system, you can take them out and check them one at a time (depending on the system… check the manual). The system will be much slower so give it time to boot or stop as soon as the monitor goes to the color pattern. If each and every stick gives this indication, then it is probably not the RAM.
All of the above tells me that, if it was a power issue, the motherboard has taken a hit on several different parts of it. Personally, I wouldn't hire a tech to fix it as he/she may catch all the issues or just enough to bring it up and leave other issues to hit you at a later time.
My recommendation is a new computer, especially at the low costs that they are now. Hope this helps in some way. Future protection so that this doesn't happen again is to spend some money on protecting your system with a UPS (uninterrupted power supply)!
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