How can you tell which part of pc cause the black screen?

845386958

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My pc black screen today when i power it up after a week or so of not using it. I tried everything and it is still black screen, so i think a part of it is broken, is there any way to check it?
PC spec:CPU: AMD Ryzen 7 1700X Processor (YD170XBCAEWOF)
Motherboard:: ASUS Prime X370-Pro AMD Ryzen AM4 DDR4 DP HDMI M.2 USB 3.1 ATX X370 Motherboard with AURA Sync RGB Lighting
Ram: Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Desktop Memory Kit - Black (CMK16GX4M2B3200C16)
SSD/HDD: Samsung 850 EVO 500GB 2.5-Inch SATA III Internal SSD (MZ-75E500B/AM) and WD 1 tb
GPU:EVGA GeForce GTX 1050 Ti SC GAMING, 4GB GDDR5, DX12 OSD Support (PXOC) Graphics Card 04G-P4-6253-KR
PSU:EVGA SuperNOVA 850 G2, 80+ GOLD 850W, Fully Modular
Chassis: The case already have the case fan.
OS:Microsoft Windows 10 Pro (64-bit, OEM DVD)
Case :Corsair Obsidian Series 750D Airflow Edition, Full Tower ATX Case
 
Solution
Answer in above post.

To reset bios/cmos is easy. Unplug the power to the pc. Push and hold the power button for @10 seconds (drains residual power in the motherboard). Open the side of your case. Somewhere near the pcie x16_1 gpu slot (often right underneath that gpu) is a large watch battery. This is the battery holding power to the cmos/bios memory. Remove that battery carefully. Count to 60ish. Put battery back in, close up the pc, plug power back in. By removing the battery, the cmos/bios memory is wiped, causing the bios to revert to its factory preset. Any and all changes made by you are erased.

Since you have a Ryzen cpu with unknown bios version date,before you start messing around with speed settings of any kind, goto the...

845386958

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Everything seems to be normal, every fans are spinning, motherboard's led is working, power button is working fine, and the button on my blu-ray disc rewriter is also working
 

ragnar-gd

Reputable
Even if your Motherboard is dead, the things you describe could be working.
I'd test if the monitor itself is ok, by connecting anything to it (sometimes people have other devices to connect, like i.e. a digi-cam).
Then, use another cable (lend it from a friend for an hour or so).
Then, use another port of GPU and monitor (which requires i.e. a Displayport-cable if you normally use HDMI, or vice versa). Again, don't buy a cable, lend it.
Then, check if you can connect your grapjics-card to another PCIe-power-port and cable, in case the 12-Volt rail is damaged. That would mean your PSU is rife for exchange.
Then, if another PCEe-slot existst on your board (very likely, but i didn't check your manual), try that with your GPU. If that helps, your MoBo is damaged.
You could test then with another GPU, but, really, i almost never heard of the GPU being broken. It's possible, but really unlikely. Test that last, if all else does not give an indication.
At this moment, a dead motherboard is the most likely culprit.
Start with whatever test from this list can be managed by you (get assistance, if needed), and report back.
 

845386958

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yes, I agree with you. The motherboard is working very strangely even before this happened. This is a new built pc, I just finished building it last week, when I go to the motherboard setting to change the mhz for rams and other things, it would failed. When I restart the pc to save the settings, it would turn on and off three times before it actually turn on and the setting remained unchanged. It was a new motherboard too, bought it off Amazon, never going to buy another ASUS motherboard. RIP $160
 

Karadjgne

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May or may not be Asus fault. It's a Ryzen. When Ryzen first came out there were multiple issues with Ram, especially the SkHynix used in the Corsair lpx. You bought the board from Amazon, but there's no telling exactly when Amazon got that board. So it's entirely possible that the bios is having fits, especially when you try messing with ram frequency. You don't restart the pc to save bios settings, restarting the pc with settings that make the bios/pc unstable will result in power on/off according to bios reboot settings until the bios hits the set amount of reboots, at which time it'll revert back to the last stable settings. You just use F10 to save, but the bios will still revert if it's not viable. In your bios, the # of reboots for OC settings is 3.

First thing, reset cmos.

 

Karadjgne

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https://forums.anandtech.com/threads/dont-use-asus-update-to-flash-your-bios.128328/

This comes after cmos reset. Do not apply any user OC or other settings to the bios prior to use, leave the bios alone other than what's absolutely necessary to get pc to function. So no ram frequency changes etc, just need viable access to a working bios.

This'll fix as many ram and other issues as Asus has with Ryzen cpus. Once done, and you've rebooted successfully several times and OS is stable, then you can start adjusting, slowly! Do not just jump into settings you want, you have to give the pc time to adjust to new settings. OC to levels you want can take weeks of adjustments and testing until you get it right. Do not rush this.
 

845386958

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by restart i mean, i use F10 to save and it restart automatically.i change the ram frequency because the ram frequency was 2400, which is far below what my ram is capable of, anyway, how do you reset cmos?
 

Karadjgne

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Answer in above post.

To reset bios/cmos is easy. Unplug the power to the pc. Push and hold the power button for @10 seconds (drains residual power in the motherboard). Open the side of your case. Somewhere near the pcie x16_1 gpu slot (often right underneath that gpu) is a large watch battery. This is the battery holding power to the cmos/bios memory. Remove that battery carefully. Count to 60ish. Put battery back in, close up the pc, plug power back in. By removing the battery, the cmos/bios memory is wiped, causing the bios to revert to its factory preset. Any and all changes made by you are erased.

Since you have a Ryzen cpu with unknown bios version date,before you start messing around with speed settings of any kind, goto the motherboard vendor website and download the latest version of bios and install it according to directions. Do so exactly, do not assume the pc is bunk and turn off power!
https://forums.anandtech.com/threads/dont-use-asus-update-to-flash-your-bios.128328/
This is Asus procedure. Follow exactly.

Once the bios is flashed and current and the pc is back up and running stable, then start adjusting. Take the time to look up/Google OC and ram xmp procedures. Only adjust 1-2 settings at a time. Do not change settings by large amounts. This will take several reboots and waiting on stability.
 
Solution

845386958

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thanks, i will try it this friday.
 

845386958

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Before I touch anything, I wanted to ask is the battery very fragile? Can I just remove it with my hand? Which part of that battery should I touch and which part can't be touch?
 

845386958

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Before I remove the battery, I also remove the gpu in order to give me some room to move the cmos battery out, but then when I tried to screw the gpu back in, I realized my gpu wasn't screwed very tightly because the screw doesn't really fit the hole, is that ok or should I use a little bit of force to try to screw it as tightly as I can? I can sent a picture of that if you want.
 

845386958

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here's the picture. You can see that the screw is very loose and i know it's hard to see in this picture but there's a gap between the case and the gpu. Should i just leave it like that?
bAhgcED.jpg

 

845386958

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Also reset cmos doesn't work
 

Karadjgne

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The screws should align correctly. Loosen up the other screw, that'll allow the bracket to adjust. Then install the screw that currently wonky, correctly. Then screw both down. By forcing the screw, all you'd end up doing is either stripping out the threads on the screw or in the retainer plate, leaving you with a loose fitting. Just make sure the gpu is correctly seated first before screwing down permanently.