windows-7 – OS does not start, "*" partitions are removed

Question:

In short:

When I start the PC, it quickly shows general information about itself, and then goes to the screen where it shows the media, and says that it will take a couple of seconds.

But, unfortunately, at this moment it freezes, and may not do anything for centuries, although I can press Ctrl + Alt + Del , and he will do everything again (but even this combination he will understand no more than two times in one launch, and sometimes completely indifferent to him).

About PC:

  • the SSD has Windows7
  • Ancient PC (older than 2008)
  • motherboard – Gigabyte GA-965P-S3
  • SSD – Crucial CT240M500SSD1

Prehistory:

I had 2 partitions on an SSD, but I wanted to make myself a third one for another OS. Used PAssist to PAssist existing sections. At some point, he hurried up and ordered to delete the * partitions created earlier by the system. The program in the PreOS mode performed actions, and then announced an error, and said that the computer must be restarted manually if it did not do it. After 10 minutes I restart and find myself in the situation described earlier.

Complementary:

  • Tried using an installation USB flash drive with Ubuntu 16.04 , but it doesn't help (however, I have no way to verify that the USB flash drive actually works as an installation one).
  • Unable to enter BIOS. When you start the PC, the bottom of the screen says that you need to press the Del key to start the BIOS. If you press it hard, the inscription will change to Prepare to Enter Setup , but then everything is the same as before. Likewise with pressing F12 for the Boot menu .
  • tried boot disk with Ubuntu 16.10 – same result.
  • I also noticed that during POST, the usual single "peak" is heard, but it is followed by a shorter and quieter one, which was absent during normal operation.

Questions:

  • Is it possible to return everything as it was?
  • .. Or at least put another OS on top of the data available on the SSD?

I am ready to supplement the question with the necessary information.

Update :

Disconnected all SATA devices as suggested by @Akina. When starting the PC, he did not detect them, but in the end he brought out a list of PCI devices and said DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER . After rebooting, it turned out to be possible to get into BIOS. I found an interesting feature: if you connect a SATA device (for example, a floppy drive) in front of the SSD (by port numbering), then the PC will see it, but it will stop there, even if you connect another device after the SSD.

Update :

  1. I tried to go to the Boot Menu – the keyboard refused to switch between options, although Ctrl + Alt + Del worked.
  2. Zashol in BIOS – changed the boot priority and put the floppy drive first. I added a disk with Ubuntu 16.10 and chose Try Ubuntu . Next, the PC displayed a multiple message about a block read error in sdb .
  3. I restart – the PC does not see the boot disk (which started 3 minutes ago).
  4. Restart. I go to the Boot Menu – the PC now responds to pressing the arrows on the keyboard. When you select a disk, it again writes DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER .

Answer:

On the advice of @Akina, I tried to take out the SSD – the BIOS found all the right devices and said there was nothing to start.

Next, I created a bootable USB flash drive with Ubuntu 16.04 . I start my PC with disabled SSD and choose Try Ubuntu . When it boots, I run gparted and plug the SSD back in. I'm formatting. Installing Ubuntu 16.04 .

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