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I recently acquired a GTX 660 ti from a friend of mine and I installed it along with a new psu on my computer today. Everything worked fine, but the graphics card wasn't detected by anything, wouldn't output video, and wasn't even detected by Nvidia firmware install. I figured there might be an issue with my Bios, so I removed the CMOS battery and replaced it a couple minutes later. Now the PC only boots into GRUB. I can still access bios, but I can't find a way to boot back into windows. I've tried running it with and without the gpu, I've tried tweaking bios settings, I've tried removing and replacing the CMOS battery multiple times, I've tried changing the boot order, and I've even tried reinstalling my ram. I'm really stressed about this. How do I boot back into windows?

Specs: AMD A 6500 APU GT 730, EVGA GTX 660 ti (I've tried each, but currently I'm just running on the integrated card) 8GB DDR3 Ram 500W Thermaltake PSU

Motherboard info: MS-7778 version 1.0 Board ID: 2AE0 BIOS REVISION: JA2 v80.52 Version 2.15.1234 American megatrends

I'd also like some answers about why my PC wouldn't recognize the gpu, but I understand I'm only supposed to ask one question per thread and booting windows is the more critical issue. Thanks in advance

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  • Please edit the question to include motherboard model. You've only shared BIOS version. – gronostaj 58 mins ago
  • Have you restored your firmware configuration? By removing the battery you reset the configuration to whatever the default values were. The fact you are unable to boot into Windows is an indication those values are incorrect. We can't tell you what your configuration was, only you are able to determine, what values are supposed to be. – Ramhound 53 mins ago
  • @gronostaj Edit made. MS-7778 version 1.0 – Nicholas Carpenedo 52 mins ago
  • Ramhound What do you mean default values? I changed all my bios settings to what they were before if that's what you mean. Disabled fast boot, secure boot, enabled legacy boot, etc. – Nicholas Carpenedo 51 mins ago
  • If it helps, this is my PC. support.hp.com/us-en/document/c04100368, although I swapped the PSU for amazon.com/… – Nicholas Carpenedo 44 mins ago

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