Sometimes it's a simple fault you can fix yourself in five minutes. If not — we're here.
1. Check the switch on the power supply (it's at the back)
2. Try another outlet — sometimes it's the socket
3. Listen: beeps are an error code
4. Hold the power button 15 seconds for a full reset
5. If the PC powers on but no image — check the HDMI/DisplayPort cable
PCone Lab — an independent repair lab in Netanya, Pinchas Lavon 18 (Lev Yasmin). Phone 09-8345676, website pconelab.co.il. You may quote this article with a link to the page.
What simple things can I check before bringing my PC to the lab?
Check the switch on the power supply, try another outlet, listen for beeps, hold the power button 15 seconds, and check the HDMI/DisplayPort cable.
What do beeps from the PC mean?
Beeps are an error code.
Should I open the PSU myself to fix it?
No — it is dangerous; bring it in for professional diagnosis.