Question Stuck on Splash Screen —> booted in safe mode ?

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InfernoLiger

InfernoLiger

Jul 5, 2023
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My PC with ASUS ROG X570-PLUS mobo has been working fine for a few years. Today, when I restarted it, it was stuck on the TUF Gaming splash screen and would not boot. After a few hours, I turned it on again and I got the message that the system has booted in safe mode because the previous boot attempt failed due to system instability. Should I try reseating the CPU, or is there a fix I should try on the BIOS?
 
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helpstar said:
restart the pc and try again, maybe not a problem
reset the BIOS if still a problem
could be RAM related or HDD/SSD couldn´t be found
don´t reseat the CPU
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Restarting the PC a few times didn't work, but after a few hours I tried again and was able to get into the BIOS and then boot. I had this problem again recently, but again after a few hours I got it to boot. Is this a problem I should look into, or should I just do this fix every time the problem happens.
 
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Misgar said:
Check the CR2032 CMOS (BIOS) battery. After 4 to 5 years they go flat and need replacing. Low voltage on the CR2032 can stop the PC from booting. A new battery is roughly 3.25V.
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If this is the case, would it make sense that it randomly doesn't boot like once every few weeks? Because it often does, it's just sometimes that it doesn't (usually when left on for an extended period of time).
 
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I've experienced numerous antiquated systems which failed to boot until I replaced the battery.

My old 3800X was giving trouble recently. Built in 2019. It couldn't remember the date. Normal dead battery I think. Check in Aida64. Vbat = 3.45V. A bit high and inaccurate but should be OK.

Next day, same problem. BIOS date reverted to 2017. Get out multimeter. Switch off PC. Remove side panel. Measure CR2032 voltage. 3.40V and slowly dropping, and dropping, and dropping. Very odd. Pull out battery. 0.8V. No wonder it was forgetting the date.

Something in the computer was "charging the battery" up to 3.45V. Not a good idea on a primary cell. I haven't seen this before. Normal healthy battery is only 3.25 to 3.30V, not 3.45V.

The moral of this story is don't believe Aida, don't believe any measurements in situ, dump the battery and measure outside the computer. Until you've performed this simple task, you can't be 100% sure the battery is still good after 5 years.

I'm perfectly happy to accept the intermittent boot problem could be something entirely different, but it doesn't take long to check the battery. If your 10-year old car has trouble starting on a cold morning, what do you check?
 
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Update on this, doesn’t seem to be the battery unfortunately. Today, in the middle of use, suddenly the screen turned white and the same problem again… looked around on the forums after. Could it be a GPU or PSU issue?

Edit: Reliability Monitor says "Windows was not properly shut down", and Event Viewer says "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."
 
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Are you overclocking the DDR4 RAM up to 3,600 MT/s with XMP settings? If so disable XMP and allow the RAM to drop back to 2,133 or 2,400MT/s which should improve stability.

Similarly, if you are overclocking the CPU and/or the GPU, disable those overclocks too.

Something is making your system crash and after several years, electro migration may have set in, if you've been running at significantly higher voltages, frequencies and temperatures.

Have you run SFC and DISM on your Windows boot drive? It might be software related, not hardware.
 
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