ATI Radeon 5570 on 945GCT-HM motherboard

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Mar 6, 2010
Hello guys,

I have been surfing the net for 2 days now, without coming up with an answer. Maybe somebody out there could help out?

I just bought an ATI Radeon 5570 and installed it as specified in the instructions. However there is no signal at all from the graphics card. The screen is blank, even at the BIOS prompt. I have a 945GCT-HM motherboard which support PCI-Express x16. I have updated the BIOS, and changed the default graphic adapter to PCI-E (i currently have an onboard graphic adapter). I have an Bestec ATC-300-12Z power supply - 300 W. I have calculated the power consumption, and 300W should be enough, since the 5570 uses pretty cheap in power usage. Is the problem the power supply, or could it be something else? I´m really thankfull for any help.

Best regards


Mar 6, 2010

I have not yet tried it in another computer, I will do that as soon as possible.

My Spec:

HP Pavillion
Intel Celeron 420 1,6 Ghz (yes, I know it sucks, just ordered an core 2 duo upgrade)
1,5 Gb DDR2 RAM
Integrated gfx Intel 82945 Express Chipset

So you are sure it's not the PSU?



Mar 6, 2010
Here's an update:

I checked the gfx card on another computer, and it worked there.

So it was either compatability issues or a defective PCI-E port.

So, I borrowed a Nvidia Geforce card from a friend and that worked!

So, the 945GCT-HM somehow does not supper the 5570. So I guess problem solved...I will swap it for a Nvidia card...any suggestions?


Sep 20, 2009
Motherboard description Motherboard manufacturer's name: ECS 945GCT-HM
HP/Compaq name: Livermore-GL6
CPU/Processor Socket: 775
Supports the following processors:
Core 2 Duo (Conroe) up to E4300
Pentium D (Presler) up to 960 (3.6 GHz)
Pentium 4 (Cedar Mill) up to 661 (3.6 GHz)
Celeron D (Cedar Mill) up to 365 (3.6 GHz)
Celeron D (Prescott) up to 355 (3.33GHz)
Front-side bus (FSB) (Processor Dependent) 800/533 MHz
Chipset Intel 945GC
BIOS features System BIOS core brand: AMI
Keyboard combination to used to enter BIOS: F10
Form factor Micro-ATX: 9.6 in X 9.6 in
Memory Dual channel memory architecture
Two 240-pin DDR2 DIMM sockets
Supported DIMM types:
PC2-3200 (400 MHz)
PC2-4200 (533 MHz)
PC2-5300 (667 MHz, runs at 533 MHz)
Non-ECC memory only, unbuffered
supports 1 GB DDR2 DIMMs
Supports up to 2 GB
Expansion slots Two PCI
One PCI Express x16 graphics (for graphics cards)
One PCI Express x1 (for cards such as network, sound, tv-tuner)
Video graphics Integrated graphics using Intel GMA 950
Use up to 256MB of PC memory (with 512MB or more total PC memory)
Also supports PCI Express x16 graphics cards

NOTE: Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.

Parallel ATA One 40-pin UltraDMA 100/66/33 connector
Supports PIO, multi-word DMA modes
Supports two PATA disk drives on one PATA ribbon cable (two drives total)
Serial ATA Two SATA connectors:
SATA1 = Black
SATA2 = White

NOTE: Each SATA connector is the same color across different manufacturers.

Supports 1 SATA-150 or SATA-300 disk drive on each SATA connector
Speed up to 1.5Gb/sec or 3.0Gb/sec, complying with SATA 1.0 and SATA 2.0 specifications

NOTE: The faster rate of 3.0Gb/sec requires that both the hard drive and the motherboard support it. If one or the other does not support 3.0 Gb/sec, the PC negotiates down to the slower 1.5 Gb/sec.

Onboard audio 6-channel high-definition audio
Audio CODEC: ALC888
Onboard LAN PCI Realtek RTL8201E 10/100Mbps
Onboard USB USB 2.0
Six ports total
Two connectors on back panel
additional headers on motherboard support 4 additional ports/devices

NOTE: Some USB ports may not be available externally for customer use. For more information, see model specifications.

Back panel I/0 One PS/2 mouse port (green)
One PS/2 keyboard port (purple)
One VGA port
Two USB 2.0
One RJ-45 networking port
Three Stereo-mini audio jacks for:
Line-in (light blue)
Microphone-in (pink)
Line-out (lime)
Internal connectors One 24-pin ATX power connector
One 4-pin ATX power connector
One PATA connector
Two SATA connectors
One floppy drive connector
Two 12v fan connectors for CPU fan and PC fan
One 9-pin header for power button, reset button, power LED, and HDD LED
One line input connector (white, Vista capable, requires matching front audio jack module)
One 9-pin audio header for headphone-out and microphone-in (yellow, Vista capable, requires matching front audio jack module)
Two USB headers supporting 4 USB 2.0 ports or devices
One Intel high-definition Audio/Modem Link (Not used by HP)
One jumper for resetting BIOS settings
One jumper to disable BIOS password checking

But this is your motherboard,According to this HD 5570 will support,Try aftr changing the psu!


Mar 6, 2010
Yes, that is my motherboard!

I just tried it with another PSU, and it still didn't work...

so I went back to the store and traded my 5570 for a Nvidia Geforce GT240...will try it right now and see what happens... :)


Sep 20, 2009

Ok,I think the GT240 has little more power than the 5570!
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