Fixed red LED light

Loic162 -
Bxuh - 9 Dec 2021 at 19:00

Hello,
I've had a PC for about 7 years. Until now, no issues. However, since yesterday, I can't get any display; when I open the PC, I see that a light on the motherboard is solid red: DRAM Led.
I've tried swapping the 2 RAM sticks, changing slots, and even testing with just one RAM stick: nothing works. Does anyone have a solution?
Thanks in advance.

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4 réponses

Réponse 1 / 4

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167

Hello

What is your motherboard model?

Loic162 Posted messages 16 Status Membre

It's an Asus, but I can't tell you more since I no longer have display on screen. I'm attaching a photo if that can help.
Thank you in advance

Réponse 2 / 4

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167

Ouch, it smells like a power surge has fried a component on the motherboard. Check if there's a damaged component, like a swollen capacitor, for example.

Try disconnecting the graphics card and booting without it.

Otherwise, if you have another PC power supply on hand, you can try connecting it to test.

Loic162 Posted messages 16 Status Membre

Hello,
When I start the PC without a graphics card, the DRAM light is no longer on. But the CPU light is red and there is still no display.

Regarding the capacitors, I don't see anything special, but I'm not an expert.

Réponse 3 / 4

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167

In that case, reinstall the graphics card and the RAM sticks.
Activate the TPU and EPU by moving the buttons in the top right corner (not far from the RAM) downward.

If the DRAM LED still lights up, press the MEMOK button until it blinks.

https://www.asus.com/fr/supportonly/p8z68-v%20pro/HelpDesk_Manual/

Loic162 Posted messages 16 Status Membre

I cleaned everything and restarted without the graphics card and I finally get a display. I'm attaching the photo. What should I do?
Thank you for your patience

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167 > Loic162 Posted messages 16 Status Membre

You need to press F1, but it's not detecting your keyboard. Did you plug it in?

Loic162 Posted messages 16 Status Membre > AgentMulder Posted messages 1103 Registration date Status Membre Last intervention

No, it's not plugged in there. I had removed as many peripherals as possible.
I'm trying to do F1.

Loic162 Posted messages 16 Status Membre > AgentMulder Posted messages 1103 Registration date Status Membre Last intervention

I'm in the BIOS!

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167 > Loic162 Posted messages 16 Status Membre

All that's left is to reset the time and put the startup sequence in order.

Réponse 4 / 4

AgentMulder Posted messages 1103 Registration date Status Membre Last intervention 167

Remove the RAM sticks, try a clear CMOS, and reinstall the sticks.

https://www.asus.com/fr/support/FAQ/1030210/

Loic162 Posted messages 16 Status Membre

I'll test this tomorrow morning and keep you posted!

Loic162 Posted messages 16 Status Membre

Hello again, I tried the clear CMOS via the reset button and via the pins but still nothing. The DRAM LED button is fixed red as soon as it starts and there is still no display...

Fixed red LED light

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