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Everything You Need to Know About Power Supply Units (PSU)

Your computer power supply (PSU) is the basis for the stable operation of the system and must be carefully selected based on power, efficiency, brand and compatibility. 1. PSU converts AC power into stable DC power, supplies power to all hardware, and provides voltage regulation and multiple protection; 2. Choose the appropriate wattage: ordinary office computers require 300-400W, mid-range gaming computers require 550-650W, high-end configurations recommend 750-850W or more, and flagship graphics cards such as RTX4090 are recommended to ensure safety; 3. 80PLUSGold in the efficiency level is the best choice for most users, and Titanium is suitable for users who pursue extreme energy efficiency; 4. Ensure that the PSU size matches the chassis, which is commonly ATX, and small hosts require SFX or TFX; 5.

Aug 05, 2025 am 07:19 AM

Sync chrome bookmarks with iphone

The key to synchronizing Chrome bookmarks on iPhone is account login and synchronization settings. First, make sure that Chrome on the computer has logged in with Google account and enabled bookmark synchronization; secondly, install Chrome on the iPhone and logged in with the same account, and the system will automatically synchronize the bookmarks; if it is not displayed immediately, you can check whether the account is consistent or wait for the synchronization to be completed; in addition, you can add multiple accounts through settings but only one can be synchronized, or add common websites to the home screen bookmark bar; if you don’t want to use Chrome, you can also import bookmarks into Safari through third-party tools, but the operation is more complicated.

Aug 05, 2025 am 07:18 AM

my win pc can't see other computers on the network

Ensureallcomputersareonthesamenetwork,connectedtothesamerouterorsubnetwithoutmixedconfigurationslikeguestnetworksorVLANs.2.EnablenetworkdiscoveryandfilesharingintheadvancedsharingsettingsoftheNetworkandSharingCenter,includingallowingWindowstomanageco

Aug 05, 2025 am 07:17 AM

computer network

How to stop Safari from opening automatically on startup?

1. Check the login item and remove Safari: Go to "System Settings" > "Users and Groups" > "Login item". If the list contains Safari, click the minus sign to delete it; 2. Turn off the recovery function: Uncheck "Use recovery when reopening the window" in "System Settings" > "General"; 3. Troubleshoot third-party calls: Check whether it is awakened by other software or "shortcut commands" through "Activity Monitor" and adjust the corresponding settings. The above steps can completely solve the problem of Safari automatic startup.

Aug 05, 2025 am 07:12 AM

How to enable DNS over HTTPS in Chrome

Enabling DNSoverHTTPS (DoH) can improve Internet privacy and security, but Chrome itself does not directly support DoH settings. 1. Chrome's "Use Secure DNS" option depends on the underlying functions of the operating system; 2. On Windows, you can enable DoH through network settings and select a provider; 3. macOS users can add DoH addresses to the DNS tab page set by the network and enable them; 4. Encryption resolution can be achieved using third-party tools such as CloudflareWARP or dnscrypt-proxy; 5. After the configuration is completed, Chrome will automatically use encrypted DNS services.

Aug 05, 2025 am 07:08 AM

How to disable GPU process for Safari to troubleshoot issues?

If Safari crashes, runs slowly, or displays an exception, try disabling GPU acceleration to resolve the issue. Specific situations include frequent crashes when opening a graphics-intensive page, distorted image or blank screen, performance issues for older Macs or integrated graphics cards. The solution is as follows: 1. Disable WebGPU through the terminal command defaultswritecom.apple.SafariWebKitWebGPUEnabled-boolfalse; 2. Enable the Safari developer menu, select Disable WebGL, turn off animations or simulate different device functions; 3. Enter safe mode to test whether the problem is related to the GPU. After confirming stability, you can consider re-enable GPU acceleration, but for a long time

Aug 05, 2025 am 07:04 AM

How to use a computer's power troubleshooter

Running Windows built-in power troubleshooting tools is the first choice for solving problems such as fast battery drain, inability to sleep properly or wake up, and unexpected shutdown. It can automatically detect and repair abnormalities such as power settings, sleep mode, drivers and background applications. The specific steps are: 1. Press Win I to open the settings; 2. Enter the system > Troubleshooting > Other Troubleshooting Tools; 3. Find the "Power" option and click "Run"; 4. Wait for the tool to scan for problems and apply recommended repairs; 5. Complete the repairs according to the prompts and restart the computer if necessary. If access cannot be accessed through settings, you can open the administrator command prompt and enter msdt.exe-idPowerDiagnostic to start manually. Also, keep the system updated

Aug 05, 2025 am 07:01 AM

How to report a bug in Safari to Apple?

When encountering a Safari browser problem, you can follow the following steps to feedback to Apple: 1. First confirm that it is a Safari bug, try changing the network, clearing the cache, updating the system and Safari version, and record the device model, system version, operation steps and reproduction; 2. It is recommended to use FeedbackAssistant to submit feedback, log in to Apple ID and fill in the detailed information and upload attachments; 3. You can also contact customer service through the Apple support page to explain the problem; 4. You can also post on the community forum to get suggestions or follow up on existing feedback. Timely and clear feedback will help Apple improve its products.

Aug 05, 2025 am 06:53 AM

How to fix a non-responsive touchpad and keyboard

First,checkforaccidentaldisableviaFnkeycombinationslikeFn F3,F6,orF9,orensurenophysicalswitchnearthetouchpadisturnedoff,anddisconnectexternalinputdevicestotestbuilt-inones.2.Performasoftrestartbyholdingthepowerbuttonfor5–10seconds;ifthatfails,conduct

Aug 05, 2025 am 06:41 AM

How to manage storage space on a computer

CheckstorageusageviasystemsettingsonWindows,macOS,orChromebooktoidentifyspace-heavyappsandfiles.2.Deleteunnecessaryitemsbyuninstallingunusedprograms,clearingthedownloadsfolder,removingduplicateswithtools,anddeletinglargeobsoletefiles.3.Usecloudservic

Aug 05, 2025 am 06:31 AM

computer storage

How to find the registry editor on a computer

PressWindows R,typeregedit,andpressEnter;2.SearchforRegistryEditorintheStartmenuandclickit;3.OpenCommandPromptorPowerShellandtyperegedit;4.NavigatetoC:\Windows\System32\regedit.exeinFileExplorer—thesearethemainwaystoopenRegistryEditor,whichisbuiltint

Aug 05, 2025 am 06:30 AM

My keyboard is not recognized after restarting my PC

CheckphysicalconnectionsbyunpluggingandrepluggingthekeyboardintoadifferentUSBport,avoidinghubs,andensuringpowerforwirelessmodels.2.TestthekeyboardonanotherdevicetodetermineiftheissueiswiththekeyboardorPC.3.EnterBIOS/UEFIandenableUSBLegacySupport,XHCI

Aug 05, 2025 am 06:24 AM

computer keyboard

How to manage 'Private State Tokens' in Chrome

PrivateStateTokens (PST) is a mechanism used by Chrome to enhance privacy protection, but may affect website access or debugging. 1. PST is a short-term token generated by the browser to prevent CSRF attacks and is enabled by default; 2. You can check whether there is a Sec-Private-State-Token field in the request header through the Network tag of Chrome Developer Tools; 3. Temporarily disable the request header by starting the parameter --disable-features=PrivateStateTokens or using extensions; 4. When troubleshooting problems, you should check for console errors, try incognito mode, disable experimental functions, and update the browser. Understand these methods

Aug 05, 2025 am 06:15 AM

How to reduce lag in Chrome Remote Desktop

To solve the problem of Chrome's remote desktop stuttering, you can start from the three aspects of network, settings and device performance. 1. Check the network: Ensure that the remote upload speed reaches more than 10Mbps, give priority to using wired connections, and reduce bandwidth usage of other devices; 2. Adjust the image quality settings: Use shortcut keys to call up the menu, select low-quality or minimum bandwidth mode, and turn off the high-definition mode; 3. Optimize device performance: Close the background program, update the system and plug-ins, and allocate more resources to the remote host; 4. Other tips: Use the new version of Chrome browser, try instant sharing function, avoid multiple people connecting at the same time, and turn off the automatic adjustment of resolution. Sequentially check and adjust and refresh the connection to improve the experience.

Aug 05, 2025 am 06:12 AM