5 BIOS beeps, but the PC seems fine

andrewpolden43

Prominent
Oct 14, 2017
3
0
510
So, I recently built my new PC.
Everything is going fine fort quite a while, maybe a few weeks.
One day, a little while ago however, I receive 5 beeps in my bios. I thought it was strange as the PC was fine. It booted to windows 10 and I could play any game at the same performance as before. I take my PC apart and put it all back together as I was told something isn't sitting right, probably the CPU. I then got 5 beeps, but the PC restarted itself immediately after POST and then only had 1 beep. I could access the BIOS and select boot drives etc. I have booted windows 10 succesfully and played games for a few hours, however I fancy playing some older CD based games so I restart and I get to the OS selection screen, telling it to boot into windows 7. Black screen with white writing says that my windows 7 is corrupt, please insert the installation disk and reboot.

I get the disk....
Open the tray...
Insert the disk...
Restart my PC...
BEEP,BEEP,BEEP,BEEP,BEEP

So I do what anyone would do, HAMMER THE BOOT MENU BIOS OPTION VIGOROUSLY.
My keyboard doesn't light up, and the keys aren't working, but then after a black screen with a little white bar flashing shows up, it seems like the vertical line that tells you where you are about to type, maybe a little thicker. Then I get the windows logo in blue and I am asked which OS to run, 10 or 7. I boot up 7, and the process repeats, but when I go into windows 10 it is all fine.

So far I have tried:
1 resetting the PC. I used the windows 10 reset function
2 removing all the components and re-seating. except the graphics card, however I cant access the
lever that lets it pop out, and the card also hides the last mobo screw so I can't remove the board
and get the card out that way
3 trying to use my keyboard to access bios, but even when I use the "bios usb" in the top left I have
no luck

So far all I can tell is that this happened around the time I installed my 3rd harddrive.
I had 1 SSD 250gb and a 7200 1TB, but needed more room as I hate reinstalling games. My PC building friend thinks it is a power lack of power, however as I said, everything works fine, I can see that all my components are showing up fine. For the record these are

I7 7700k, no overclock
Coolermaster 103 cooler
GTX 1080 mini by zotac
GIGABYTE GA-B250M-DS3H B250 mobo
16GB RAM
500w power supply (Taken from previous build)
1 250gb ssd samsung evo
1 1tb 7200rpm toshiba I believe
1 3tb 7200rpm toshiba I believe

If anyone can give me any suggestions that would be great. I only get 1 day off of work a week to actually sort things out and this one has been at me for a while
 

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