PC won't boot

K

KD88

New Member
I turned my PC off at the mains before I went on holiday, turned it on today and it won't boot and I can't access the BIOS in the usual methods.
Any advice what to try now?
 
What exactly happens when you turn it on? Do you see the boot screen come up? If you haven't already tried it, try doing this procedure to reset bios.

Unplug power from power supply, remove cmos battery, press power button on case for 10 seconds to discharge pc. Then wait 5-10 minutes, then reinsert cmos battery, plug power supply in and press power button. Note: Doing this procedure will reset some bios settings like time and date and others if you had them previously set to anything special so you'll need to go back in and verify settings.
 
Thanks for the advice and I've now tried that replacing the battery as well but no change.
This is what comes on the screen but nothing changes pressing any of the keys.
 

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F2 or the DEL key will get you into bios setup. Try disconnecting any hdd's and see if it will allow you to enter bios. A lot of times if a hard drive has failed then the computer will fail to do anything. You can also try removing and reinserting the memory sticks. It looks like this machine is already near or over the 10 year old mark. You might want to think about replacing it anyway.
 
If you're having trouble accessing the BIOS on your Haswell UEFI system, try plugging your keyboard into a USB 2.0 port instead of a USB 3.0 port. Some systems, especially older ones, can have issues recognizing USB 3.0 devices during the early boot phase due to fast initialization or missing USB 3.0 drivers at that stage. USB 2.0 ports are more reliably recognized by the UEFI/BIOS, so this should help you get into the BIOS without issues. Give it a shot and see if it works!
 
Also, if you have a 'simpler' keyboard (no fancy RGB, macro keys, no extra fluff), that may help too - G510s take too long to initialize that they miss the window which is why I keep a dumbo keyboard around for troubleshooting.
 
johnb35 said:
What exactly happens when you turn it on? Do you see the boot screen come up? If you haven't already tried it, try doing this procedure to reset bios.

Unplug power from power supply, remove cmos battery, press power button on case for 10 seconds to discharge pc. Then wait 5-10 minutes, then reinsert cmos battery, plug power supply in and press power button. Note: Doing this procedure will reset some bios settings like time and date and others if you had them previously set to anything special so you'll need to go back in and verify settings.
Click to expand...
Considering the age of that mobo (assuming it is 10+ years old and since the BIOS hasn't been updated since 2015) and chances are the CMOS battery hasn't been changed since, I would suggest replacing the CMOS battery. Typically they are CR2032 batteries that doesn't cost much due to the fact that the computer was powered off for a bit and this is the message now.

However you should still be able to press F1 to continue...
 
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