Monday, January 24, 2011
HOW TO TROUBLESHOOT/MAINTAIN YOUR COMPUTER POWER SUPPLY
Posted on 12:52 PM by Unknown
Power Supply
If you suspect your power supply is giving you trouble; make sure you check it out fast, because power supplies can make trouble with the rest of your system as well.
If you suspect your power supply is giving you trouble; make sure you check it out fast, because power supplies can make trouble with the rest of your system as well.
Irregular voltages sent from the power supply can short circuit and overheat your components thus frying them and making them unusable.
Some faulty power supplies have even caught on fire, but if you’re lucky it might just smoke a little and start to smell. A few signals that your power supply is bad or is going bad would be erratic and seemingly random system behavior like system hangs and crashes, and burning smells along with smoke.
If you recently upgraded your system or added new hard drives, disk drives, a graphics card or anything for that matter, be sure to check if your power supply is being overloaded with hardware.
If you recently upgraded your system or added new hard drives, disk drives, a graphics card or anything for that matter, be sure to check if your power supply is being overloaded with hardware.
A good way to check is to use a power supply calculator. One time when I upgraded my system with a new fancy PCI Express 16x Graphics card, well it was fancy back then, I had problems with the graphics card performing while in 3d games, it was all due to my power supply being unable give it enough juice on the 12v rails so it performed poorly and didn’t act as it should have, I even swapped out the graphics card for another one believing it was bad, after checking the manufacturer’s forums it seemed like a lot of people were having problems with faulty cards, so I figured mine must have been faulty too.
After getting the new card it seemed like it performed better for a little bit longer, which could’ve just been some optimizations they did to circuit board. Seeing how they sent me an upgraded version of the same card, but it wasn’t until I checked my power supply wattages that I found the real culprit.
The right thing to do:
The right thing to do:
- Diagnose your power supply
- Check the power supply connectors
- Make sure everything is plugged into the motherboard and the power cable is plugged into the power supply, you wouldn’t believe how many people forget to plug in their computer.
- Many power supplies also have a power switch on them so check to make sure that no one accidentally or purposefully switched it off maybe for a prank.
- Check the fan to see if it is spinning at the correct speed and if it’s dusty vacuum it out.
· Determine if the power supply cables are giving out the right amount of voltage, if you computer will let you boot you should be able to check them in the BIOS menu to see if the correct voltages are being given. Normal power supplies give +3.3 volts DC, +5 volts DC, -5 volts DC, +12 volts DC, and -12 volts DC.
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