Computer not booting
A faulty power supply does not supply any power at all to a computer or supplies incorrect voltages. Most of the time faulty power supplies are not serviceable and require replacement.
1. memory error, 2. data errors, 3. system hangs, 4.reboots
PC will not turn on and no LEDs come on at all. Sometimes, though, this can be a motherboard problem as well.
1. wired plugged wrongly. 2 . psu is faulty 3. input supply faulty. 4. motherboard not fitted correctly.
1) Random and frequent resets of the computer for no apparent reason. 2) Dropping devices such as hard drives or CD-ROM Drives while the OS is running. 3) BIOS warnings indicating low voltage on some devices. 4) ANY kind of burning smell from the PSU that might indicate frayed cables of failing capacitors.
Need to know what are the symptoms. Give us more info.
It may be time for a new power supply if your computer keeps shutting down at random times, or gets hot very quickly, you may want to act fast in order to keep from your computer crashing.
Connect the front panel molex's to every available connector (3-pin molex connector) Or get a new one. I am experiencing the same now.
There is at least 1 fuse in the power supply of a computer usually located at the back top of the computer case. If a short occurs in any of the computer hardware, this fuse will blow, preventing damage to the power supply.
1. PC appears "dead"- no lights, no spinning HD or fan 2. PC sometimes halts during booting and then after several attempts boots 3. Error codes or beeps occur during booting, but they come and go 4. You smell burnt parts or odors.
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Either a dead battery - or a faulty power supply.