Why does the PSU on my HP Z230 Desktop shut down intermittently?
- MMonica TuckerSep 12, 2025
If the PSU shuts down intermittently on your HP Desktop, the power supply may be faulty and should be replaced.

Why does the PSU on my HP Z230 Desktop shut down intermittently?
If the PSU shuts down intermittently on your HP Desktop, the power supply may be faulty and should be replaced.
What to do if my HP Z230 Desktop seems to be frozen?
If your HP Desktop seems to be frozen because a program has stopped responding, use the Windows Task Manager to isolate and terminate the process. Alternatively, attempt the normal Windows shutdown procedure. As another option, restart the computer using the power button.
How to fix sound not coming out of my HP Z230 Desktop speaker or headphones?
If sound does not come out of the speaker or headphones on your HP Desktop, double-click the Speaker icon on the taskbar and use the volume slider to adjust the volume. Also, ensure that external speakers are turned on, if applicable.
Why does my HP Z230 power off and the power LED flashes red?
If your HP Desktop powers off and the Power LED flashes red two times (once every second), followed by a two-second pause, it indicates that processor thermal protection is activated. Ensure that the workstation air vents are not blocked.
How to troubleshoot a printer that won't print from my HP Z230 Desktop?
If your printer does not print from your HP Desktop, ensure the printer is turned on and online. Also, verify that the correct printer driver for the application is installed.
How to fix a blank screen (no video) on my HP Z230 Desktop?
If you have a blank screen (no video) on your HP Desktop, verify the cable connections from the monitor to the computer and to a working electrical outlet. Ensure the monitor is turned on. If a screen blanking utility is installed or energy saver features are enabled, press a key or the mouse button and enter your password, if prompted.
How to enable cursor movement with arrow keys on HP Z230 Desktop?
If the cursor does not move using the arrow keys on the keypad of your HP Desktop, press the num lock key. The num lock key can be disabled or enabled in Computer Setup (f10) Utility.
Why does my HP Desktop drive respond slowly after power-up?
If your HP Desktop drive responds slowly immediately after power-up, run Computer Setup (f10) Utility and increase the POST Delay in Advanced > Power-On Options.
What does it mean when the power LED flashes red on my HP Z230?
If the Power LED flashes red (once every 2 seconds) on your HP Desktop, it indicates a power failure (power supply is overloaded). Continue adding devices one at a time to verify that all devices are functioning.
What to do if my HP Z230 is frozen and won't shut down?
If your HP Desktop appears frozen and does not shut down when the power button is pressed because software control of the power switch is not functional, press and hold the power button for at least four seconds until the computer shuts down.
| Product type | Workstation |
|---|---|
| Motherboard chipset | Intel® C226 |
| ECC | Yes |
| Memory slots | 4x DIMM |
| Internal memory | 4 GB |
| Memory channels | Dual-channel |
| Memory clock speed | 1600 MHz |
| Internal memory type | DDR3-SDRAM |
| Maximum internal memory | 32 GB |
| Memory layout (slots x size) | 1 x 4 GB |
| Chassis type | Desktop |
| Product color | Black |
| Country of origin | China |
| Placement supported | Vertical |
| Number of 3.5\" bays | 1 |
| Water cooling system | No |
| HDD speed | 7200 RPM |
| RAID levels | 0, 1 |
| HDD interface | SATA |
| Storage media | HDD |
| Optical drive type | DVD Super Multi |
| Total storage capacity | 500 GB |
| PS/2 ports quantity | 2 |
| DisplayPorts quantity | 3 |
| Serial ports quantity | - |
| USB 2.0 ports quantity | 6 |
| VGA (D-Sub) ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| On-board graphics card ID | 0x412 |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel® HD Graphics 4600 |
| Maximum on-board graphics card memory | 1.74 GB |
| On-board graphics card base frequency | 350 MHz |
| On-board graphics card DirectX version | 11.1 |
| On-board graphics card dynamic frequency (max) | 1150 MHz |
| Power supply | 240 W |
| Tcase | 72.72 °C |
| Bus type | DMI2 |
| Stepping | C0 |
| Processor cache | 6 MB |
| Processor model | i5-4570 |
| System bus rate | 5 GT/s |
| Processor family | Intel® Core™ i5 |
| Processor socket | LGA 1150 (Socket H3) |
| Processor codename | Haswell |
| Processor frequency | 3.2 GHz |
| Processor cache type | Smart Cache |
| Processor lithography | 28 nm |
| Processor manufacturer | Intel |
| Processor front side bus | - MHz |
| PCI Express slots version | 3.0 |
| Processor boost frequency | 3.6 GHz |
| Processor operating modes | 64-bit |
| PCI Express configurations | 1x16, 2x8, 1x8+2x4 |
| Thermal Design Power (TDP) | 84 W |
| Maximum number of PCI Express lanes | 16 |
| Memory clock speeds supported by processor | 1333, 1600 MHz |
| Memory bandwidth supported by processor (max) | 25.6 GB/s |
| Operating system installed | Windows 7 Professional |
| Scalability | 1S |
| Processor code | SR14E |
| Processor ARK ID | 75043 |
| Intel TSX-NI version | 0.00 |
| Processor package size | 37.5 x 37.5 mm |
| Graphics & IMC lithography | 22 nm |
| Supported instruction sets | AVX 2.0, SSE4.1, SSE4.2 |
| Thermal solution specification | PCG 2013D |
| Intel Identity Protection Technology version | 1.00 |
| Depth | 384 mm |
|---|---|
| Width | 337 mm |
| Height | 100 mm |
| Weight | 7200 g |
Details components of the Small Form Factor (SFF) workstation.
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Provides guidelines for optimal workstation ventilation.
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