On your HP laptop, everything else runs fine — but File Explorer takes five seconds to open a folder, the green progress bar crawls across the address bar, and right-clicking a file feels like sending a letter. It’s maddening because File Explorer is the one app you can’t avoid. The good news: slow Explorer is one of the most diagnosable problems in Windows, and HP-specific culprits are well documented.

Explorer slowness almost always comes down to what it does while rendering a folder: building thumbnails, querying network locations, or running third-party shell extensions. This guide isolates which of those is biting you, with the HP-specific checks (preinstalled utilities, HP drivers) in their proper place in the sequence.

Why this happens

  • Quick Access overhead: Frequent folders and Recent files require disk and sometimes network reads on every open.
  • Thumbnail generation: Folders full of photos or videos force Explorer to render previews, hammering CPU and disk.
  • Disconnected network drives: Explorer waits for timeouts on mapped drives that no longer respond.
  • Misbehaving shell extensions: Third-party (and HP-bundled) context-menu handlers delay every right-click and folder render.
  • HP preinstalled utilities: HP Support Assistant, HP utilities, and trial software hook into Explorer and add overhead.
  • Corrupted thumbnail or icon cache: A damaged cache makes Explorer regenerate previews constantly.
  • Search indexing of the opened folder: The indexer competing for disk while you browse large folders.

How to fix it

Work through these in order — diagnose first, then act.

Fix 1: Change the default open location to This PC

Open File Explorer → three-dot menu → Options → General, and change “Open File Explorer to” from Quick Access to This PC. Quick Access populates Frequent folders and Recent files on every launch — disk reads, and occasionally network probes if any recent item lived on a network path. This PC just lists drives: instant. Test immediately: close and reopen Explorer. If folders now snap open, Quick Access was your whole problem. It’s the fastest high-success tweak in this guide, so do it first regardless.

  1. Open File Explorer → ••• → Options.
  2. Set “Open File Explorer to” to This PC.
  3. Click OK, close Explorer, and reopen it.
  4. Compare open speed before and after.

Fix 2: Clear the File Explorer history and caches

In the same Folder Options dialog, click Clear next to “Clear File Explorer history.” Then clear the thumbnail cache: run Disk Cleanup (cleanmgr.exe), check Thumbnails, and run it — or delete the thumbnail database files in %localappdata%\Microsoft\Windows\Explorer (thumbcache_*.db) while Explorer is closed. A corrupted thumbnail cache is a classic cause of the “green bar crawls on every folder” symptom, because Explorer regenerates previews it should have cached. After clearing, browse your slowest folders once to let the cache rebuild cleanly, then judge speed on the second visit.

  1. Clear File Explorer history in Folder Options.
  2. Delete thumbcache files or run Disk Cleanup with Thumbnails checked.
  3. Revisit slow folders once to rebuild the cache.
  4. Judge speed on the second visit, not the first.

Fix 3: Disconnect or fix stale network drives

Open This PC and look for mapped network drives with red X icons — disconnected mappings make Explorer wait for network timeouts every time it enumerates drives or the navigation pane. Right-click and disconnect any you don’t actively use. If you need the mapping, remap it and check “Reconnect at sign-in” only if the network is reliably available at boot. Also check Quick Access pinned items pointing at network paths and unpin the dead ones. One stale mapping can add seconds to every Explorer window, so this check punches above its weight. HP’s support site documents network and sharing diagnostics if the drive should be reachable but isn’t.

  1. Look for mapped drives with red X in This PC.
  2. Disconnect mappings you no longer use.
  3. Unpin dead network paths from Quick Access.
  4. Re-test Explorer responsiveness.

Fix 4: Disable thumbnail previews for problem folders

If specific folders (photos, videos, downloads) are slow but others are fine, thumbnails are the cause. Open the folder, switch View to Details or List, then go to View → Show → and uncheck preview-related options — or set it folder-wide via Folder Options → View → “Always show icons, never thumbnails.” For media folders, also disable the Preview pane. This trades pretty previews for instant listing, which is the right trade on a working machine. If you need thumbnails, generate them once with the folder open and idle, then leave the cache alone — the slowness comes from regenerating, not from displaying cached ones.

  1. Identify whether slowness is folder-specific (media folders are the tell).
  2. Switch those folders to Details view.
  3. Enable “Always show icons, never thumbnails” in Folder Options.
  4. Confirm the slow folders now open instantly.

Fix 5: Audit shell extensions, including HP-bundled ones

Download Microsoft’s free Autoruns tool and open the Explorer tab — it lists every shell extension loading into Explorer, including HP utilities and other third-party handlers. Uncheck non-Microsoft extensions you don’t recognize or need (cloud storage overlays, archive tools, HP extras), one group at a time, restarting Explorer after each group via Task Manager. When right-click delays vanish, you’ve found the offender — leave it disabled or update that program. Be conservative: don’t disable Microsoft’s own extensions. This fix resolves the “right-click takes five seconds” variant that the earlier fixes don’t touch.

  1. Download Autoruns from Microsoft and open the Explorer tab.
  2. Uncheck third-party shell extensions in groups.
  3. Restart Explorer from Task Manager after each group.
  4. Leave the offending extension disabled or update its program.

Fix 6: Update HP drivers and remove unneeded HP software

HP laptops ship with utilities that can hook into Explorer — and outdated versions are buggier. Open HP Support Assistant and install all recommended driver and utility updates, or fetch them from the HP support portal for your exact model. Then review Settings → Apps → Installed apps for HP software you never use (trials, extra utilities) and uninstall it — fewer hooks into Explorer, fewer chances for a bad one. Don’t remove HP drivers themselves or the Support Assistant if you rely on it; target the obvious bloat. Finish with the general Windows 11 lag guide for HP if the whole system (not just Explorer) feels slow.

  1. Update all HP drivers via HP Support Assistant or the HP portal.
  2. Uninstall HP utilities and trials you never use.
  3. Keep core drivers and the Support Assistant itself.
  4. Restart and re-test Explorer across several folders.

Closing

Slow File Explorer is a rendering problem, not a Windows problem: Quick Access overhead, thumbnail churn, dead network mappings, or a bad shell extension. Work the list in order — most HP laptops are fixed by the This PC switch plus a shell-extension audit — and Explorer goes back to opening folders the instant you click them. For the general step-by-step method that works on any brand, see the File Explorer slowdown walkthrough .

Frequently asked questions

Why is File Explorer so slow on my HP laptop but everything else is fine?
When only File Explorer lags, the problem is almost always in how it renders folder contents: generating thumbnails for a huge media folder, trying to reach a disconnected network drive, or loading a misbehaving shell extension. HP laptops add one more suspect — preinstalled HP utilities that hook into Explorer. The guide’s diagnostic steps isolate which of these is slowing your specific folders.
Will switching File Explorer to 'This PC' view speed it up?
Often, yes — noticeably. Quick Access tries to populate Frequent folders and Recent files on every open, which involves disk reads and sometimes network checks. Setting Explorer to open to This PC skips all of that and just lists your drives. It’s a thirty-second change and one of the highest success-rate tweaks for general Explorer sluggishness.
Do HP preinstalled apps slow down File Explorer?
They can. HP ships utilities that add context-menu entries and shell extensions to Explorer, and each extension is code that runs every time you right-click or open a folder. A buggy or outdated one adds a visible delay. The shell-extension audit in Fix 5 shows you exactly which third-party extensions are loaded so you can disable the HP ones you don’t use.
Is slow File Explorer a sign my hard drive is failing?
It can be an early warning, especially if folders with many files take progressively longer and you hear clicking from an HDD. But software causes — thumbnails, network timeouts, shell extensions — are far more common. Rule those out first with this guide; if Explorer is still slow on a clean local folder with thumbnails off, then run a disk health check.