My desktop computer is completely unresponsive. When I press the power button, nothing happens – no lights, no sounds, not even a fan spin. It was working fine yesterday, and now it's dead.
Description du Problème
Solutions Recommandées
Solutions les plus pertinentes
10 solutionsTest with Original RAM
If possible, temporarily reinstall the old RAM to see if the system becomes stable, indicating a potential PSU issue with the new RAM.
Check PSU Wattage
Verify the wattage of your power supply and compare it to the recommended requirements for your system with the new RAM.
Update BIOS/UEFI
Install the latest BIOS/UEFI version for your motherboard, as it often includes improved memory compatibility.
Check Motherboard QVL
Consult your motherboard manufacturer's Qualified Vendor List (QVL) to confirm the specific RAM model is officially supported.
Consult Motherboard Manual
Verify the correct RAM slot configuration for dual-channel or quad-channel operation as per your motherboard's documentation.
Reseat RAM Modules
Carefully remove and reinsert each RAM module, ensuring they click firmly into place.
Run Memory Diagnostic Tool
Use Windows Memory Diagnostic or MemTest86+ to thoroughly check the RAM for errors.
Test RAM Individually
Install each new RAM module one at a time to identify if a specific module is causing the issue.
Professional Repair
If you suspect a mechanical issue and cannot identify or fix it yourself, it's best to seek professional repair services.
Check for Loose Parts
Carefully inspect the printer for any visible loose parts or components that might have shifted. Do not force anything.
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Questions Fréquemment Posées
Questions courantes liées à ce problème et à ses solutions.
What is the exact error message displayed on the blue screen (if any)?
What is the make and model of your printer?
Is the power cable securely plugged into both the computer and a working wall outlet?
How far is the mouse from the USB receiver or Bluetooth adapter?
When did these visual glitches first start appearing?
Does the external hard drive make any unusual noises (e.g., clicking, grinding) when connected?
When did you first notice this overheating issue?
Have you recently updated your computer's operating system or installed any new software?
When did this issue start occurring?
When did the connection drops start occurring?
Sessions de Diagnostic Démo
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Causes Identifiées
Faulty Power Supply Unit (PSU)
75%The PSU is responsible for converting wall power into usable electricity for the computer's components. A failed PSU will prevent any power from reaching the motherboard and other parts.
Loose or Faulty Power Cable
15%A disconnected or damaged power cable will prevent electricity from reaching the computer's PSU, resulting in no power. This is a common and easily fixable issue.
Failed Motherboard
10%The motherboard is the central hub of the computer. If its power delivery circuitry or the power button connector fails, the computer will not turn on.
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