HP笔记本Win10开机卡顿：Pre Session Init进程耗时超8分钟求助

Hey there, let's fix that agonizingly slow boot on your HP laptop—8-10 minutes is way too long, especially since you already updated BIOS and drivers. You've already narrowed down the issue to the Pre Session Init phase with 100% CPU usage, so let's target that directly with these actionable steps:

1. Finish HP UEFI Hardware Diagnostics First #

You mentioned starting HP's built-in UEFI tool—let's complete that to rule out hardware issues, which are a common culprit for boot bottlenecks:

• Reboot your laptop and press the corresponding key (usually F2, F10, or ESC—watch the on-screen prompt) to enter HP UEFI Diagnostics.
• Run the Full System Test, paying close attention to results for your storage drive (SSD/HDD) and CPU. If any hardware errors pop up, reach out to HP support immediately—this could be a failing drive or faulty component.

2. Identify the Culprit Process in Pre Session Init #

Since CPU is maxed out during this phase, we need to find exactly what's hogging resources:

• When your laptop is stuck in the boot phase, press Ctrl+Shift+Esc to open Task Manager. Switch to the Details tab and sort by CPU usage to find the top-consuming process.
  • If it's a third-party service/process:
    1. Press Win+R, type msconfig, and hit Enter.
    2. Go to the Services tab, check "Hide all Microsoft services", then disable any recently added services (start with the ones matching the process name you found). Reboot to test.
  • If it's a core system process (like smss.exe or csrss.exe):
    1. Open Command Prompt as Administrator.
    2. Run these commands one by one to repair corrupted system files:

       sfc /scannow
       DISM /Online /Cleanup-Image /RestoreHealth
       

    3. Reboot and check if the issue persists.

3. Disable Non-Essential Startup Items #

Third-party apps that load on boot often interfere with the Pre Session Init phase:

• Open Task Manager and go to the Startup tab.
• Disable all items that aren't critical (e.g., chat apps, cloud sync tools, third-party antivirus—keep Windows Defender enabled).
• Reboot and see if boot time improves. If it does, re-enable items one by one to find the problematic app.

4. Check Virtual Memory Configuration #

Misconfigured page files can cause CPU spikes during boot initialization:

• Right-click "This PC" → Properties → Advanced System Settings → Advanced tab → Performance → Settings → Advanced tab → Virtual Memory.
• Ensure "Automatically manage paging file size for all drives" is checked. If you had it set manually, switch back to automatic first to test.
• If automatic doesn't help, set a custom size (1.5-2x your physical RAM size) for your system drive.

5. Disable Fast Startup (Temporarily) #

While Fast Startup is meant to speed up boot, it can sometimes cause initialization glitches:

• Open Control Panel → Power Options → Choose what the power buttons do.
• Click "Change settings that are currently unavailable" → uncheck "Turn on fast startup (recommended)".
• Reboot and test boot time.

Last Resort: System Reset or Clean Install #

If none of the above works, a system reset (keeping your files) or clean Windows install might be necessary to eliminate deep-seated system corruption. Just make sure to back up all important data first.

内容的提问来源于stack exchange，提问作者Sammy