My PC won't start after changing the hard drive. Solved

Question

Hello everyone,  For the past 4 days, my hard drive was making a lot of noise, lagging... Well, I knew that sooner or later it would fail me. Yesterday morning I turned on my computer and, as expected, a black screen told me that my hard drive is failing.  Today, I opened my computer and replaced it with an old one I had in my drawer, but now my computer won’t turn on at all.  When I press the power button: the power supply starts, all the fans are running (graphics card, case, and processor), the new hard drive is spinning (I can hear it), but the screen stays off and my keyboard is not powered.  I still tested the screen and keyboard on another PC, and of course they work perfectly.  Do you think my motherboard or processor might be dead?

le druide · Accepted Answer

So it's already good, you certainly have a poorly inserted component, bad connection, etc...  A damaged hard drive can prevent the PC from booting; the BIOS gets stuck and the screen stays black. Also, be careful with the power supply... it may very well run the CPU fan but not be sufficient to power the rest of the hardware, among others: hard drive, video card, CD-ROM drive, etc... which are heavy energy consumers.  The druid without the potion.

le druide · Answer

Hello,  if you unplug your hard drive, does your PC boot up with the BIOS info displayed?  the druid without the potion.

nico33160 · Answer

It is possible that it wasn't your hard drive that was defective but the port connecting it to the motherboard (the port on the motherboard). I see that as an explanation...

Anonymous user · Answer

Good evening,Is there something on the HDD?Is it properly connected?(You should normally see the first screen anyway (like the brand of the PC for example or the brand of the motherboard) (the best option is to buy a new hard drive, a little investment is worth it...Best regards

ApeX · Answer

Thank you for your very quick suggestions.  What worries me is that I don't even get the BIOS screen; the screen is not powered, or the image from the PC is not transmitted at all, whether I use my graphics card or the one on the motherboard...  There is nothing on the hard drive. I connected it via SATA just like the one that was installed; there are no issues there, or at worst, the computer would start up showing me an error message.  I tried disconnecting it, but it didn't change anything. Still no screen lit up and no powered keyboard, which is why I suspect the motherboard...

rafit jad kuldinger · Answer

Check all the connections! In the PC without exception..  -- Why do simple when you can make it complicated?

ApeX · Answer

I have obviously checked several times the connections, power supply to the processor, power supply to the motherboard, hard drive connections and power supply, IDE plug and power supply to the CD drive.

Anonymous user · Answer

Do you have another HDD?

le druide · Answer

Remove the graphics card and the memory sticks as well as all connected drives and start your PC to see if the BIOS displays anything or at least sends some beeps --  the druid without the potion.

rafit jad kuldinger · Answer

Did you take the necessary precautions to avoid burning everything when you changed the hard drive?  -- Why make it simple when you can make it complicated?

ApeX · Answer

Yes, I had already removed everything but I just went to do it again to be really sure.  AND THERE! Some news!  The PC made a loud beep (that's already new) well, I thought because I had removed the RAM stick, so I put it back without reconnecting anything else and my screen and keyboard lit up! Well, I hit a black screen since I don't have an OS installed but there you go, it's running!  So either earlier I didn't unplug everything properly or the stick was poorly connected but I hadn't touched that before...  I'll see if it's coming from my hard drive, I'll try another one I have as well, maybe my CD drive...  Thanks for your info anyway, I'll come back to tell you what was wrong.

ApeX · Answer

Well, I reconnected everything except for the graphics card, which I will reconnect tomorrow to see if my issue comes from there.  Thanks anyway for all the very quick suggestions you gave me!  I will mark the topic as solved if I find out how to do it ;)  Good evening everyone, I still have lots of things to reinstall, bye!

le druide · Answer

to set it to resolved, click on the link at the top of this post. --  the druid without the potion.

Apex · Answer

Well, here I am writing to you from my freshly formatted brand new PC that works very well. I will do one last test tomorrow to see if the problem was indeed with the graphics card (that's the only component I haven't rebuilt yet).   See you soon ;)

olivier · Answer

Hello, I'm bringing this post back up. I changed mine, I have access to the BIOS but don't do anything else but that. Thank you.

ApeX · Answer

Hello Olivier,  I had completely forgotten about this old post xD it felt very strange that it was already 2 years old and in 2 years I have changed a lot, I have become... an IT technician xD  I am happy to help you but could you please describe your problem a bit better?  Did you have a hard drive installed and did it have an issue, did you change it? Was Windows installed on that drive? Do you have an error message that appears? A screen that stays black?

My PC won't start after changing the hard drive.

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