ok im not going to tell a story like i usually do. i just really need to get to the bottom of this. theres a problem with my sisters computer. its a compaq, but after i installed some after market parts (excuse my use of street racing terminology) its been crashing and not booting up normally.
specs when first purchased: athlon 64 3400+?? idk but its running at 2400mhz asus mobo 1gb ram 300 watt psu 200gb 7200rpm hdd dvd rw drive onboard 128mb graphics onboard realtek audio
parts i added: pci card for wireless internet (i doubt this is causing the problem) nvidia geforce 6600gt agp card rosewill 450 watt powersupply (to power the video card, nvidia reccomends 350 watts or higher)
these are the problems the pc is having: 1. when the pc is turned on, the monitor says no signal detected. i have to try turning it on about 10 times before it finally shows an image and boots up right
2. first it only crashed during games (sims 2), but now it crashes randomly. it completely shuts down and it wont power back on without flipping the switch on the power supply and unplugging/plugging the power cables back in to the wall outlet.
im confused as to what the problem is and i've tried everything i can. because of the first problem i thought i did something wrong installing the video card , but because of the second problem i thought maybe the psu was faulty. can someone help me out please?
damn it i hope i can get another one through warranty. i'll have to swap another one in and see if thats the problem. do you guys think the power supply is causing the video problems too? maybe some bad power going to the gpu?Â
damn it i hope i can get another one through warranty. i'll have to swap another one in and see if thats the problem. do you guys think the power supply is causing the video problems too? maybe some bad power going to the gpu? SDog624
Yes. The PSU is not providing enough power to the video card, and so it is causing video errors as well.
before i try swapping in a new psu i just noticed something. when the i take out the video card and just use the onboard graphics, the computer starts up normally every time and doesnt crash. either the psu is messed up, which doesnt seem to be the case because its fine without the graphics card, or im doing something wrong installing the graphics card.
can someone give me a detailed explanation of what i should be doing when installing the card? i know the manual says i should be disabling the onboard graphics in my bios but theres no way to do that. the only option that has to do with the graphic is "primary video adapter" and then my choices are "pci" or "agp/onboard". that just doesnt make sense to me.
before i try swapping in a new psu i just noticed something. when the i take out the video card and just use the onboard graphics, the computer starts up normally every time and doesnt crash. either the psu is messed up, which doesnt seem to be the case because its fine without the graphics card, or im doing something wrong installing the graphics card.
can someone give me a detailed explanation of what i should be doing when installing the card? i know the manual says i should be disabling the onboard graphics in my bios but theres no way to do that. the only option that has to do with the graphic is "primary video adapter" and then my choices are "pci" or "agp/onboard". that just doesnt make sense to me. SDog624
I would check your wiring make sure you have your GPU powered by a line independently if possible. Also, try this with your primary HDD again, if possible. If this doesn't help, try another PSU you have lieing around (like the one you took out). If you still are not satified format so you know its not software conflict.  I would check the bios to make sure you have your settings to PCI or VGA what ever you are using as a slot solution, make sure you set your vram too (256 card 512 card whatever it is.)  Â
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