Mysteriously slow, relatively new, Dell tower, Intel Core 5

MAFederico

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Joined
Apr 29, 2026
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I hope this big community can help me with what seems to be a jinxed Dell tower running Win 11, bought Jul 2025. My main issue now, is sluggish performance showing up just a few hours after a cold start or restart. This poor performance started probably this January. Application launches take a long time, for example:

FastStone image viewer:​
(from Start menu) 12 secs to finish rendering with default C:\ folder, BUT immediately after restart: 2 secs​
11 secs from dbl click image on Desktop, until in-app menus available; Immediately after restart: ONE SECOND​
Corel PaintShop Pro 2023:​
Launch from Start menu: 2 minutes until base display fully rendered. Immediately after restart: 8 sec​

Mouse moves in some apps are jerky. Keyboard response in Google Desktop Search very sluggish.

Hardware environment:
Dell Slim ECS1250
Intel(R) Core(TM) Ultra 5 225 (3.30 GHz)
Installed RAM 16.0 GB (15.5 GB usable)
SSD 1TB, 623GB Free
Intel graphics, 128MB

From Task Manager:
Opening LibreOffice Writer, CPU peaks at 20%, disk at 30%
Opening random JPG in FastStone Image Viewer, CPU peaks at 22%, disk at 3%
Opening random mp4 in VLC 600MB, CPU peaks at 20%, disk at 15%

My actions so far...
On the advice of a tech who was recommended to me, I:
- increased virtual mem paging file from 7.6G to 48G
- did full uninstall of Avast antivirus
NEITHER change made any improvement.

Only these apps are enabled in Startup: Google Desktop, Carbonite User Interface, Logitech Webcam Software, GoogleDriveFS.exe, Realtek HD Audio Universal Service, Windows Security notification icon.

Disabled various eye-candy video effects.

Many thanks for suggestions. Last resort, Reset the O/S but hope not to.
 

Solution
Hi MAFederico,
Based on your description, I would not reset Windows yet. The pattern you described is more consistent with one of these:
  • a background process / service gradually bogging the system down
  • a storage latency problem
  • a driver / firmware issue
  • a memory leak in software that loads after startup
The key clue is this: performance is normal immediately after restart, then degrades within hours.

Most likely suspects​

A few things stand out from your post:
  • Google Desktop Search is a major red flag on Windows 11 if that is really the old Google product.
  • Carbonite and Google Drive can both cause heavy background file and...
Hi MAFederico,
Based on your description, I would not reset Windows yet. The pattern you described is more consistent with one of these:
  • a background process / service gradually bogging the system down
  • a storage latency problem
  • a driver / firmware issue
  • a memory leak in software that loads after startup
The key clue is this: performance is normal immediately after restart, then degrades within hours.

Most likely suspects​

A few things stand out from your post:
  • Google Desktop Search is a major red flag on Windows 11 if that is really the old Google product.
  • Carbonite and Google Drive can both cause heavy background file and indexing activity.
  • A manually enlarged 48 GB paging file usually does not help this kind of issue.
  • Low CPU usage during the slowdown does not rule out a disk issue. A system can feel awful when the SSD has high response time even if throughput looks low.

First: undo the paging-file change​

I would put the paging file back to System managed size.

Steps​

  • Press Win + R, type sysdm.cpl, press Enter.
  • Open the Advanced tab.
  • Under Performance, click Settings.
  • Open the Advanced tab.
  • Under Virtual memory, click Change.
  • Check Automatically manage paging file size for all drives.
  • Click OK and reboot.
A 48 GB page file is not likely the cause, but it is also not the fix.

Next: do a clean-boot test​

This is the fastest way to tell whether the problem is Windows itself or a background program.

Steps​

  • Press Win + R, type msconfig, press Enter.
  • Open the Services tab.
  • Check Hide all Microsoft services.
  • Click Disable all.
  • Open Task Manager > Startup apps.
  • Disable everything temporarily.
  • Reboot.
  • Test the PC for several hours.

What the result means​

  • If the PC stays fast, the cause is almost certainly a third-party startup item or service.
  • If it still slows down, we look harder at drivers, storage, firmware, or Windows corruption.
If the clean boot helps, I would re-enable items one at a time, starting with these as test candidates:
  • Carbonite
  • Google Drive
  • Google Desktop Search
  • Logitech Webcam Software
  • Dell utilities, if installed separately

I strongly recommend removing Google Desktop Search for testing​

If by “Google Desktop” you mean the old Google desktop indexing/search tool, I would uninstall it completely as a test.
It is obsolete and a very plausible cause of:
  • sluggish typing
  • delayed app launches
  • constant indexing
  • weird Windows 11 behavior

Steps​

  • Open Settings > Apps > Installed apps.
  • Uninstall Google Desktop if present.
  • Reboot.
  • Test for a day.
Do not just disable it in Startup if it also installs services. Uninstall it for the test.

When the PC is slow, capture the real bottleneck​

Please check this while the machine is in the slow state, not right after a reboot.

Steps​

  • Press Ctrl + Shift + Esc to open Task Manager.
  • Go to Processes.
  • Click the CPU column, then Memory, then Disk.
  • Note the top 5 items in each.
  • Go to Performance > Memory and note:
  • In use
  • Committed
  • Paged pool
  • Non-paged pool
  • Go to Performance > Disk and note:
  • Active time
  • Average response time
  • Open Resource Monitor from the Performance tab.
  • In the Disk section, sort by Total (B/sec) and Response Time.

What to look for​

  • Disk active time near 100% with low MB/s = storage latency problem
  • one process steadily growing in memory = possible memory leak
  • constant activity from backup/sync/indexing software = likely culprit

Check SSD health and Dell hardware diagnostics​

Because the machine becomes sluggish after some time, I also want to rule out an SSD or firmware issue.

Steps​

  • Reboot the PC.
  • Tap F12 at startup.
  • Run Dell Diagnostics / SupportAssist Pre-Boot System Assessment.
  • Let the storage test complete.
  • Note any error code.
Also, from Windows:

Steps​

  • Press Start and search for Reliability Monitor.
  • Open View reliability history.
  • Look for recurring red X events, especially:
  • disk
  • app hangs
  • hardware errors
  • driver failures
If you see storage or hardware-related errors, post them.

Update the Dell drivers and BIOS​

For a machine bought in July 2025, I would also make sure these are current from Dell’s support page for your exact service tag:
  • BIOS
  • Chipset
  • Intel graphics
  • Storage / Intel RST driver, if your system uses it
  • Dell firmware updates
Important: Update BIOS only with the system connected to reliable power, and do not interrupt it.

Run Windows system repair checks​

These are safe and worth doing before any reset.

Steps​

  • Open Command Prompt as Administrator.
  • Run:
Code:
DISM /Online /Cleanup-Image /RestoreHealth
sfc /scannow
chkdsk /scan

Expected result​

  • DISM and SFC should complete without unrepaired corruption.
  • chkdsk /scan should not report file system problems.

My best guess right now​

If I had to rank the likely causes from your post:
  • Google Desktop Search
  • Carbonite or Google Drive background activity
  • SSD latency / storage driver issue
  • Dell driver or BIOS issue
  • Less likely: Windows corruption

I would not do these yet​

  • Do not reset Windows yet
  • Do not keep manually tuning the page file
  • Do not install “optimizer” or registry-cleaner tools

Best next test plan​

Please try these in order:
  • Set the paging file back to System managed.
  • Uninstall Google Desktop Search.
  • Do a clean boot.
  • When slow, capture Task Manager + Resource Monitor readings.
  • Run Dell F12 diagnostics.
  • Post back with the results.

Please post back with these details​

  • The exact SSD model shown in Device Manager or Task Manager.
  • Whether Disk active time is high when the system is slow.
  • Whether the problem still happens after a clean boot.
  • Whether uninstalling Google Desktop changes anything.
  • Any Dell diagnostics or Reliability Monitor errors.
If you want, I can help you build a very short isolation checklist next so you can test this in under 30 minutes.
 

Solution
Homework in progress. Instructions for "Check SSD health and Dell hardware diagnostics" appear to be wrong. There is no such choice "SupportAssist Pre-Boot System Assessment."
 

You are right, and thank you for catching that.
On many Dell systems, the menu item is not literally named “SupportAssist Pre-Boot System Assessment.” The actual F12 boot menu entry is usually just:
  • Diagnostics
It may also be labeled:
  • ePSA
  • PSA
  • SupportAssist On-board Diagnostics
The long “SupportAssist Pre-Boot System Performance Check” wording is Dell’s official name for the diagnostic environment, not always the exact menu text.

Corrected steps​

  1. Shut the PC down completely.
  2. Turn it back on and tap F12 repeatedly as soon as the Dell logo appears.
  3. When the One Time Boot Menu appears, choose Diagnostics.
  4. Let the Quick Test run first.
  5. If it finds an issue, write down the error code and validation code.
  6. If it gives you an option for a more detailed test, run that too.
Dell’s current documentation says the normal path is F12 > Diagnostics, which launches the onboard diagnostics.

If you do not see “Diagnostics” at all​

Please reply with exactly what options you do see on the F12 menu.
Even better, if you want, post a photo of the F12 menu and I’ll tell you exactly which item to pick.

One more quick check inside Windows​

While you are testing, please also check SSD status here:
  1. Press Win + X and open Terminal (Admin).
  2. Run:
Get-PhysicalDisk | Select FriendlyName, MediaType, HealthStatus, OperationalStatus
  1. Post the result.

Best next step​

Please send back:
  1. Whether F12 > Diagnostics exists
  2. Any error code / validation code
  3. The output of the PowerShell command above
If Diagnostics is present and passes cleanly, I’ll give you the next most likely cause of the slowdown without jumping to a reset.
 

UPDATE:

1. Get-PhysicalDisk reports:

FriendlyName MediaType HealthStatus OperationalStatus
------------ --------- ------------ -----------------
NVMe 2500 Micron 1024GB SSD Healthy OK
WD My Passport 0730 Unspecified Healthy OK


2. Quick Diagnostics (on boot) reports All OK. Have not run detailed long test.

3. All non-Microsoft services, that I disabled, are now re-enabled

4. With Google Desktop uninstalled, and these Startup programs disabled:
LWS.exe
GoogleDriveFS.exe
RtkAudUService64.exe
SecurityHealthSystray.exe
...systems slows moderately but not as awful as in original post. And 3 hours later, test apps open as quickly as expected.

5. Reliability monitor shows multiple hardware errors. Forum does not allow XML attachments so here is a large PDF.
 

Attachments

Hi MAFederico,
Good update — this is actually encouraging. The biggest clue is this:
With Google Desktop removed and several startup items disabled, the system no longer becomes awful after 3 hours.
That strongly suggests the main slowdown is/was caused by a startup/background component, not the SSD itself and probably not a general Windows failure.

What your results suggest​

Your SSD report looks normal:
Code:
NVMe 2500 Micron 1024GB SSD    Healthy    OK
WD My Passport 0730            Healthy    OK
And the Dell quick diagnostics passing is also useful. It does not completely rule out hardware, but it lowers the odds of an obvious SSD/RAM/motherboard failure.
The most suspicious remaining items from your disabled Startup list are:
  1. GoogleDriveFS.exe — Google Drive for desktop can cause indexing/sync delays.
  2. LWS.exe — older Logitech Webcam Software can be problematic on newer Windows 11 systems.
  3. RtkAudUService64.exe — Realtek audio service; usually harmless, but not essential for basic testing.
  4. SecurityHealthSystray.exe — this is the Windows Security notification tray icon and is unlikely to be the cause.

About the Reliability Monitor PDF​

I tried to read the attached PDF, but I cannot reliably extract the actual hardware-error details from it here. The important parts I need are the fields inside each hardware error, especially:
Code:
Problem Event Name:
Code:
Parameter 1:
Parameter 2:
Parameter 3:
Parameter 4:
OS version:
Bucket ID:
The Code is the key. For example:
Code:
LiveKernelEvent 141
LiveKernelEvent 117
LiveKernelEvent 1a8
LiveKernelEvent 193
WHEA
Those point in different directions.

Next isolation test​

Please do not re-enable everything at once. Since the machine behaved better with these disabled, test them one at a time.

Step 1 — Leave Google Desktop uninstalled​

Do not reinstall it. That remains a strong suspect.

Step 2 — Re-enable only Windows Security tray icon​

  1. Open Task Manager.
  2. Go to Startup apps.
  3. Re-enable:
SecurityHealthSystray.exe
  1. Restart.
  2. Use the PC normally for several hours.
Expected result: this should not slow the system.

Step 3 — Re-enable Realtek audio service​

  1. Re-enable:
RtkAudUService64.exe
  1. Restart.
  2. Test again for several hours.
Expected result: probably no major slowdown.

Step 4 — Test Google Drive separately​

This is a major suspect.
  1. Re-enable:
GoogleDriveFS.exe
  1. Restart.
  2. Let the PC sit for 3–4 hours.
  3. Test FastStone, PaintShop Pro, LibreOffice, VLC, and typing response again.
If the slowdown returns, Google Drive is likely involved.
Also check:
  1. Open Google Drive preferences.
  2. Temporarily pause syncing.
  3. See whether performance improves.
  4. If it improves, the problem may be sync activity, file streaming, indexing, or conflict scanning.

Step 5 — Test Logitech last​

  1. Leave Google Drive disabled again if it caused slowdown.
  2. Re-enable:
LWS.exe
  1. Restart.
  2. Test for several hours.
If the slowdown returns with Logitech enabled, uninstall the old Logitech Webcam Software and use either Windows’ built-in camera support or newer Logitech software if available for your model.

Hardware errors: what to check next​

Reliability Monitor often says “hardware error” when it is actually a driver reset, especially graphics. On your system, the most likely category would be Intel graphics / display driver.

Please check Event Viewer​

  1. Right-click Start.
  2. Open Event Viewer.
  3. Go to:
Windows Logs > System
  1. Click Filter Current Log.
  2. In Event sources, look for these if available:
Code:
WHEA-Logger
Display
Disk
stornvme
nvme
iaStorVD
Kernel-Power
  1. Look around the same dates/times as the Reliability Monitor hardware errors.
  2. Post the exact messages for any recurring errors.

Or use this PowerShell command​

Open Terminal / PowerShell as Administrator and run:
Code:
Get-WinEvent -FilterHashtable @{LogName='System'; ProviderName='Microsoft-Windows-WHEA-Logger'} -MaxEvents 20 |
Select-Object TimeCreated, Id, LevelDisplayName, Message |
Format-List
If that returns nothing, also run:
Code:
Get-WinEvent -FilterHashtable @{LogName='System'} -MaxEvents 300 |
Where-Object {$_.ProviderName -match 'Display|stornvme|nvme|Disk|iaStor|WHEA'} |
Select-Object TimeCreated, ProviderName, Id, LevelDisplayName, Message |
Format-List

Important interpretation​

If the Reliability Monitor errors are mostly:
Code:
LiveKernelEvent 141
LiveKernelEvent 117
Then I would suspect graphics driver timeout/reset, not necessarily bad hardware.
If they are:
Code:
WHEA-Logger
Cache Hierarchy Error
PCI Express Root Port
NVMe
Bus/Interconnect Error
Then we take the hardware/firmware path more seriously.

I would also run the long Dell test​

Since Reliability Monitor shows repeated hardware errors, run the longer Dell diagnostic when convenient.
  1. Restart.
  2. Tap F12.
  3. Choose Diagnostics.
  4. Run the extended/thorough test if offered.
  5. Let it test memory and storage fully.
  6. Record any error code and validation code.
Run it overnight if necessary.

My current working theory​

Based on your update, my ranking is now:
  1. Google Desktop was a major contributor.
  2. Google Drive, Carbonite, or file indexing/sync activity may still be contributing.
  3. Intel graphics driver or related display issue may explain the Reliability Monitor hardware errors.
  4. Actual SSD failure is less likely right now because SMART/PowerShell status and quick diagnostics are OK.
  5. A Windows reset is still not justified yet.

Please post back with these two things​

  1. The Problem Event Name and Code from one or two of the Reliability Monitor hardware errors.
  2. Whether slowdown returns when you re-enable GoogleDriveFS.exe by itself.
That should tell us whether we are chasing a background sync/indexing problem or a driver/hardware error path.
 

I will follow through with the additional suggested actions but there is a possibility of interaction with this PC's other annoying problem: sporadic and then frequent failure to wake the display on keypress or mousemove. At first my workaround was to unplug and then plug back in the DisplayPort cable. Since then, when this jinxed machine acts up we use a technique I discovered after much enjoyment in a search engine: deliver one or usually more four-finger salutes:

Win+Ctrl+Shift+B which I believe resets some driver. And maybe, maybe accounts for the hardware errors Reliability Monitor reports.
 

Hi MAFederico,
Yes — that is a very relevant clue.
Win + Ctrl + Shift + B tells Windows to restart/reset the graphics subsystem/display driver path. You usually hear a beep, the screen may blink, and Windows tries to recover the display without a full reboot.
So your thought is reasonable: the Reliability Monitor “hardware errors” may be related to display/graphics driver recovery events, especially if they are around the same time as the black-screen / no-display-wake incidents.

Important distinction​

This shortcut may explain the hardware error reports, but it may not be the original cause.
In other words:
Display does not wake → you press Win + Ctrl + Shift + B → graphics stack resets → Reliability Monitor logs a hardware/video event.
That would make the Reliability Monitor entries a symptom trail, not necessarily proof of bad hardware.

Most likely area now​

Given your added symptom, I would now move Intel graphics / DisplayPort / monitor wake / power management higher on the suspect list.
Likely suspects:
  • Intel graphics driver timeout or sleep/wake bug
  • DisplayPort handshake problem
  • Monitor deep-sleep / auto-input detection issue
  • Bad or marginal DisplayPort cable
  • BIOS / chipset / graphics driver needing Dell-specific update
  • Less likely, but possible: actual graphics hardware fault

First test: separate display sleep from system slowdown​

Temporarily prevent the display from sleeping. This is only a diagnostic test.
  1. Open Settings.
  2. Go to System > Power & battery.
  3. Open Screen and sleep.
  4. Set Turn off my screen after to:
Never
  1. Leave the PC running for a day.
  2. See whether the sluggishness still appears.
Expected result:
  • If the PC stays responsive, the display wake/graphics path is strongly implicated.
  • If the PC still slows down, the startup/background-process issue is still separate.
You can undo this afterward by restoring your previous screen timeout.

Second test: compare timestamps​

Next time the display fails to wake:
  1. Note the exact time.
  2. Use Win + Ctrl + Shift + B.
  3. After the display returns, open Reliability Monitor.
  4. Check whether a hardware error appears at that same time.
  5. Open the event details and look for:
Code:
LiveKernelEvent
Code 117
Code 141
Code 1a1
Code 1a8
Display driver
igfx
Intel
If the codes are 117 or 141, that strongly points toward a graphics driver timeout/reset rather than a storage problem.

Third test: try a different display path​

DisplayPort wake problems are common enough that I would test this before reinstalling Windows.
  1. Power off the PC and monitor.
  2. Replace the DisplayPort cable with a different, good-quality cable.
  3. If the PC and monitor support it, test HDMI instead of DisplayPort.
  4. Disable monitor auto input select if the monitor has that option.
  5. Disable monitor deep sleep, eco mode, or DP sleep if available in the monitor’s on-screen menu.
Expected result:
  • If HDMI works reliably but DisplayPort does not, the issue is likely DisplayPort handshake, cable, monitor firmware/settings, or Intel display driver behavior.
  • If both fail, the issue is more likely the PC graphics driver/power stack.

Fourth test: update Dell-controlled firmware/drivers​

For this specific symptom, I would update in this order from Dell’s support page for your exact Service Tag:
  1. BIOS
  2. Chipset driver
  3. Intel graphics driver
  4. Intel Management Engine components, if offered
  5. Monitor driver/firmware, if Dell offers one for your monitor model
Important: Before BIOS updates, plug into reliable power and do not interrupt the update.

Fifth test: disable Fast Startup​

Fast Startup can sometimes preserve a bad driver/power state.
  1. Press Win + R.
  2. Type:
control
  1. Open Power Options.
  2. Click Choose what the power buttons do.
  3. Click Change settings that are currently unavailable.
  4. Uncheck:
Turn on fast startup
  1. Click Save changes.
  2. Shut down fully, then power on.
To undo it, re-check the same option.

Sixth test: check for display driver events​

Please run this in Terminal / PowerShell as Administrator:
Code:
Get-WinEvent -FilterHashtable @{LogName='System'} -MaxEvents 500 |
Where-Object {$_.ProviderName -match 'Display|igfx|Intel|WHEA|Kernel-Power'} |
Select-Object TimeCreated, ProviderName, Id, LevelDisplayName, Message |
Format-List
Post any entries that occur around the times when the screen fails to wake.

My revised working theory​

Your two problems may indeed be connected.
Current ranking:
  1. Intel graphics / DisplayPort wake failure
  2. Display driver reset events showing as Reliability Monitor hardware errors
  3. Google Desktop was likely worsening overall performance
  4. Google Drive / Carbonite / sync activity may still contribute to sluggishness
  5. Actual SSD failure is currently less likely

What I would not do yet​

I still would not reset Windows yet.
A Windows reset may not fix this if the cause is:
  • Dell BIOS/firmware
  • Intel graphics driver
  • DisplayPort cable/handshake
  • Monitor sleep behavior
  • Background sync/indexing software

Best next step​

Please post one Reliability Monitor hardware-error detail if possible, especially:
Code:
Problem Event Name:
Code:
Parameter 1:
Parameter 2:
Bucket ID:
If the code is 117 or 141, we should treat this primarily as a graphics/display recovery issue and focus there before touching the OS.
 

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