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Computer black screen after powering on

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hj630 Posts 2 Registration date Monday March 5, 2018 Status Member Last seen March 5, 2018 - Mar 5, 2018 at 08:23 AM
 Blocked Profile - Mar 6, 2018 at 04:35 PM
This is a desktop. FX 8350 + AM3+ mb +2 4gp ram + R9 270 + 2 hard drives and 500W PSU. It was working fine before. Then one day, the screen is all black when I powering it up. At first, I can still see the hard drive led running and it seems like it is powering into windows. just no displace or even the start up screen. Just completely black the whole time. Then I unplug the CMOS battery to reset bios. Now the hard drive LED is not on either. All the fans are running. No error beeping. I tried:
1. replug the CMOS battery
2. Replace video card
3. replace motherboard
4. use only 1 RAM and use different slots
5. use different slots for video card
6. use different video cable (hdmi, vga)
None of them worked. I am ordering a new PSU but if that doesnt work, i really dont know whats going on now...
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Answer 1 / 1
Blocked Profile
Mar 5, 2018 at 04:48 PM
So when it boots, and you get into bios, does the computer SEE the harddrive as a bootable device?
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hj630 Posts 2 Registration date Monday March 5, 2018 Status Member Last seen March 5, 2018
Mar 5, 2018 at 08:12 PM
It’s just a black screen. No bios or anything shows up. Just the fan running....
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Blocked Profile
Mar 6, 2018 at 04:35 PM
Pull graphics card, and boot using Onboard Motherboard graphics. Still no BIOS?
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