You put the battery back in. Did you also try a new battery? Not that I expect it will make a difference, but it's cheaper and easier than buying a new PC.
If that doesn't help, there is something very wrong with the motherboard. Then you have to replace it. The cheapest would be to find exactly the same motherboard second-hand. But it might be easier to replace the whole PC. If you find exactly the same PC second-hand, all you have to do is to migrate the hard disk.
If it's a different one, you'll have to reinstall all your programs that are not on it and then copy all your data or move the old hard disk to the new and use it for data only. But you might prefer a nice and fast new PC with Windows 10 to a cheap 6-year old model like your current one or anything second-hand in between.
Product Name: HP Pavilion p6-2010uk Desktop
Operating System: Microsoft Windows 7 (64-bit)
I basically have this issue for a while now. I don't know what happened but my PC suddenly just froze when turning it on by saying "Press the ESC key for Startup Menu". Now when i do that nothing happens. No key works.
So I turned it off and then back on and tried with F2 F12 F10 F11 and every single time i turn off and on and pressing those keys nothing works. Only thing happens is from Blue screen it goes to black screen still stating "Press the ESC key for the Startup Menu" and right hand corner it says "Diagnostics" or "Network boot" etc. when i press the F's.
But nothing else works. Now i have done all taking out the battery and putting it back in and everything. But nothing works. I have seen a lot of topics on the Question and I have tried most of them out but nothing works
Please someone help
Thank you in Advance