Installed a new graphics card, computer won't get past black screen with underscore - Hardware & Software

Hey, I recently installed a new graphics card into my computer. I had a GTS250 2GB card from gainward and I'm trying to put in a GTX760, but I have the problem that when I have the GTX760 in my computer the computer won't load past a black screen with a blinking underscore. Putting the old card back in gives me no problems. What can I try to fix it?

Need a little more information about your computer, like: Motherboard RAM Windows Version PSU model etc. The more the better.

Have you tried anything in bios yet? It sounds like your operating system is not being booted properly. A lot of motherboards will allow you to force what you boot from which could help, although that is certainly a strange situation. And like Gigabite said, more information would be nice.

Have you completely uninstalled the drivers of your old GPU? If you won't uninstall the drivers, Windows will not boot due to a detected incompability, without any warning. [editline]30th June 2013[/editline] Forgot to say what to do; install your old GPU (or use the motherboard's onboard video out if it has one), use Driver Sweeper to uninstall all traces of your old driver and cross your fingers.

[QUOTE=flayne;41244685]Have you tried anything in bios yet? It sounds like your operating system is not being booted properly. A lot of motherboards will allow you to force what you boot from which could help, although that is certainly a strange situation. And like Gigabite said, more information would be nice.[/QUOTE] The computer doesn't react to the keys I press, so I haven't been able to get in to bios [QUOTE=Merijnwitje;41247962]Have you completely uninstalled the drivers of your old GPU? If you won't uninstall the drivers, Windows will not boot due to a detected incompability, without any warning. [editline]30th June 2013[/editline] Forgot to say what to do; install your old GPU (or use the motherboard's onboard video out if it has one), use Driver Sweeper to uninstall all traces of your old driver and cross your fingers.[/QUOTE] I'll try this. I can't find out what motherboard I have, it's not me who installed it and the programs I use don't seem to find it (dxdiag, everest home) I have an i5-2310 CPU, 8 gigabytes of ram and a corsair cx600 psu

Try taking out he cmos battery

Could work too, you also could try to ''strip'' the computer and powering it on (I learned this method from the IT guy on my old school). So, take out the CMOS battery, hard drives, optical drives (both power and data), and the RAM. Then, you boot it up, expect to hear a beep (if your motherboard has a speaker, if not, it's not a big deal), shut down, re-install CMOS battery, startup, shutdown after 5 seconds, re-install hard drives, startup, shutdown after 5 seconds, and keep repeating this cycle until you have all the components reconnected like this, it MIGHT just work.

[QUOTE=Merijnwitje;41276606]Could work too, you also could try to ''strip'' the computer and powering it on (I learned this method from the IT guy on my old school). So, take out the CMOS battery, hard drives, optical drives (both power and data), and the RAM. Then, you boot it up, expect to hear a beep (if your motherboard has a speaker, if not, it's not a big deal), shut down, re-install CMOS battery, startup, shutdown after 5 seconds, re-install hard drives, startup, shutdown after 5 seconds, and keep repeating this cycle until you have all the components reconnected like this, it MIGHT just work.[/QUOTE] Erm, this causes more damage than helps. Hard drives don't like to be power cycled every 5 seconds and it generally doesn't do anything to help the machine to constantly power cycle it.

[QUOTE=Merijnwitje;41276606]Could work too, you also could try to ''strip'' the computer and powering it on (I learned this method from the IT guy on my old school). So, take out the CMOS battery, hard drives, optical drives (both power and data), and the RAM. Then, you boot it up, expect to hear a beep (if your motherboard has a speaker, if not, it's not a big deal), shut down, re-install CMOS battery, startup, shutdown after 5 seconds, re-install hard drives, startup, shutdown after 5 seconds, and keep repeating this cycle until you have all the components reconnected like this, it MIGHT just work.[/QUOTE] Why would this help? All the components work, except possibly the graphics card which I bought.

Throw your old card in, load up drivers for the other card, toss the other card back in and see if it works. Also it may be defective