Most new monitors that look worse than the old one aren't faulty. They're set up wrong. The usual causes are a resolution or refresh rate that isn't the panel's native one, a cable or port that forces a lower mode, Windows scaling blurring older apps, HDR switched on for ordinary desktop work, and a wide-colour panel showing oversaturated colours in its default mode. Each takes minutes to check. Sometimes the new screen really is worse for the job: a bigger monitor at the same resolution has lower pixel density, and a budget VA panel can look softer than the good IPS it replaced. Work through the checks below before you return it.
We've covered some of these problems in depth before: 4K scaling in office work, why colours differ between screens and which cable to use. This post puts them into one troubleshooting flow.
What's the quickest way to find the problem?
| What you see | Likely cause | What to check |
|---|---|---|
| Soft or blurry text, in some apps or everywhere | Non-native resolution, or Windows stretching an older app that doesn't support scaling | Set the native resolution; try the app's high-DPI compatibility setting; sign out after changing scale |
| Washed-out, greyish colours on the desktop | HDR switched on for ordinary SDR work, or the graphics output's colour range setting | Turn HDR off or adjust "SDR content brightness"; check the RGB output range in the graphics driver settings |
| Coloured fringes on text at 4K 60 Hz | Colour compression over an older HDMI port or cable | Use DisplayPort, USB-C, or an HDMI 2.0 or newer port with a certified cable |
| Stuck at 30 Hz, or a choppy mouse pointer | HDMI 1.4 path, a passive adapter, or dock bandwidth shared between screens | Check the refresh rate in Display settings; connect directly by DisplayPort or USB-C |
| Skin tones and logos look oversaturated | Wide-gamut panel in its native colour mode | Select the monitor's sRGB preset for office and web work |
| Smearing when scrolling dark content | Panel response time or the overdrive setting | Try the monitor's overdrive levels |
| Grey blacks under office lights | Glossy or QD-OLED panel reflecting room light | Reposition the screen; prefer a matte panel for bright rooms |
Source: Microsoft Learn, "High DPI desktop application development on Windows" (updated 10 Sep 2026); Microsoft Support, "HDR settings in Windows" (updated 28 Sep 2026); HDMI and DisplayPort bandwidth figures from the published specifications (summarised on Wikipedia); KitGuru colour reviews of MSI monitors (24 Jul 2024 and 4 Jan 2026); MSI on QD-OLED reflections. SourceIT has not tested these monitors.
Why is the text blurry?
Start with resolution. An LCD or OLED panel is sharp only at its native resolution. A mirrored laptop screen, an old setting carried over or a dock that can't handle the full resolution can leave it at something lower. Check Settings > System > Display and pick the resolution marked "Recommended".
If text is sharp in some apps but blurry in others, it's probably Windows scaling. Microsoft's documentation says Windows renders older desktop apps that don't declare scaling support at 96 DPI, then "bitmap-stretches" them on a display set above 100%, so they "appear blurry". Moving windows between a laptop screen and a monitor with different scale factors can trigger the same thing. Signing out after changing scale, or using the app's high-DPI compatibility setting, usually helps.
Pixel density can also simply be lower. A 27-inch 1080p monitor has about 81.6 pixels per inch, against 91.8 on a 24-inch 1080p screen (CALC). Moving up in size without moving up in resolution makes text look coarser. A 27-inch QHD screen is about 108.8 PPI and a 27-inch 4K about 163.2 PPI.
Before you blame the panel, check four things: native resolution, refresh rate, the cable, and whether HDR is on.
Why do the colours look washed out or too strong?
Washed out: the most common cause is HDR. Microsoft's support page warns that on an HDR-capable display, ordinary SDR content and apps can "appear too bright or too dark". For everyday desktop work, turn HDR off, or use the "SDR content brightness" slider in Windows HDR settings. The graphics driver's RGB output range is also worth checking; set it to full range for a PC monitor.
Too strong: many newer monitors cover a wider colour range than sRGB, the standard most office and web content uses. In their default modes they stretch sRGB colours, so faces and brand colours look oversaturated. KitGuru measured an MSI MPG 271QRX at an average colour error (ΔE) of 4.88 against sRGB in its default mode, and 1.22 in its sRGB mode. Switch to the sRGB preset in the monitor's menu.
Could the cable or port be the problem?
Yes, and it's easy to miss. HDMI 1.3–1.4 carries 10.2 Gbit/s, enough for 4K only at 24–30 Hz, or at 60 Hz with heavy colour compression that puts fringes on coloured text. HDMI 2.0 carries 18 Gbit/s, enough for 4K at 60 Hz in 8-bit colour. DisplayPort 1.4 carries 25.92 Gbit/s. USB-C docks can share their display bandwidth with USB data, and daisy-chained monitors share one port's bandwidth. If the refresh rate drops to 30 Hz or text fringes appear, try a direct DisplayPort or USB-C connection. Our posts on cheap USB-C cables and on laptops that can't run two monitors go further into cable and dock limits.
What if the new panel really is worse?
Sometimes it is. A budget VA panel can show more smearing in dark scrolling and narrower viewing angles than a good IPS. A glossy or QD-OLED panel can look grey under strong office lighting, because QD-OLEDs have no polariser to cut reflections. And panels vary: backlight bleed, dead pixels and uneven brightness are defects to raise under warranty, not settings problems. If the right settings don't fix it, swap the monitor while you still can. Choosing the right panel from the start is covered in The Hidden Cost of Cheap Office Monitors, and the office case for OLED in OLED Monitors in the Office.
Buying in Singapore
If you're choosing a replacement, compare panel types side by side. The Philips 27B1U3900 27-inch 4K IPS USB-C docking monitor is S$381.60 and its larger 32-inch 4K VA sibling S$439.20. For the resolution question at 27 inches, the Dell UltraSharp 27 QHD Thunderbolt Hub (U2724DE) is S$639.35 and the UltraSharp 27 4K (U2725QE) S$974.30 (listed 8 Nov 2026). See also our Philips business monitors and Lenovo ThinkVision monitors. Prices change; ask for a current quotation. For help matching monitors, docks and cables to your laptops, use Request for Quotation on the product page, call (65) 6978 3502, email Sales@sourceit.com.sg or use our contact page.
Frequently asked questions
Why does my new monitor look blurry? Usually because it isn't running at its native resolution, or because Windows is stretching an older app that doesn't support scaling. Set the recommended resolution in Display settings, then sign out and back in after changing the scale.
Why do colours look washed out on my new monitor? HDR is the most common cause. Turn it off for normal desktop work or lower the "SDR content brightness" slider, and check the graphics driver's RGB output range.
Why are colours too bright and saturated? Wide-colour monitors oversaturate standard sRGB content in their default mode. Choose the sRGB preset in the monitor's on-screen menu for office and web work.
Why is my 4K monitor stuck at 30 Hz? The connection is probably limiting it: an HDMI 1.4 port or cable, a passive adapter, or a dock sharing bandwidth. Use DisplayPort, USB-C or an HDMI 2.0 or newer port with a certified cable.
Is a bigger monitor always sharper? No. At the same resolution, a bigger screen has fewer pixels per inch: a 27-inch 1080p monitor is about 81.6 PPI against 91.8 on a 24-inch 1080p, so text looks coarser.
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