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Experience can help a tech diagnose problems caused by a faulty power supply that would normally be overlooked by a novice. This article outlines how to diagnose a faulty supply by testing its voltage outputs, as well as how to replace the defective unit. If there is no battery compartment, use the steps in Reset a laptop with a sealed or non-removable battery. If there is a battery compartment, use the steps in Reset a laptop with a removable battery.
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Before you start, make sure the new download free softwares supply has the correct form factor and power rating. A replacement supply should provide at least as many watts as the old one.
- If you’ve gone through all of the troubleshooting steps above and you are still having issues, your next step is to throw it out to the community.
- Then use Andre’s notes above and elsewhere to work on addressing whatever happened.
- I have some older computers that just don’t like newer Windows version major updates.
- Let us know about your successes, failures, and frustrations in the comments or join us in the Windows 10 Forums.
- If you use the power button to shut down, it flashes up the lock screen before turning off.
However, here’s a list of common factors that send SMPS to its grave. For those of you who feel they just have to open up that old power supply, my next article will outline how to change the fuse in the power supply, repairing it for about $2. If testing reveals that the power supply is not providing the proper output voltages, then it should be repaired or replaced. Since power supplies do not contain many user serviceable parts, for most people, this means replacement.
I normally go up one size when replacing power supplies. A bad power supply can be the root of many PC problems.
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Turn on the laptop, then test the computer by itself, and then reconnect one peripheral device at a time. A power reset clears all information from the computer’s memory without erasing any personal data. Performing a power reset might fix conditions such as Windows not responding, a blank display, software freezing, keyboard stops responding, or other external devices locking up. If the monitor works on another computer and the computer has a discrete graphics card, try replacing the graphics card using the following steps. If you have tried all the steps in this document and are still having the issue, the hardware is probably faulty.