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The Dell OptiPlex 745 small form factor is a compact desktop computer that has been a work office favorite, and still sits at desks to this day.

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Why my windows not opening

If ipower it on it will come on ok but the windows won't display, it will read for some minutes but the windows will come and stop but not opening

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What version of Windows 7? 8? 10?

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It's windows 7 version

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Windows 7 has some built in repair options

System Recovery Options in Windows 7

  1. Restart your computer.
  2. Press/tap F8 before the Windows 7 logo appears.
  3. At the Advanced Boot Options menu, select the Repair your computer option.
  4. Press Enter.
  5. System Recovery Options should now be available.

Here are some more detailed instructions;

https://www.bleepingcomputer.com/tutoria...

That is quite an old computer. Have you checked if the fan is spinning and there is not too much dust on everything? It could be over heating.

Here is the repair guide:

Dell OptiPlex 745 Small Form Factor

Just ask if you have any questions.

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Did you checkto see if everything is plugged up correctly?

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Ibrahim crwdns2934231:0crwdne2934231:0
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