New Asus HD7770 Installation Problems

tutanhaken · Mar 28, 2013

Would anyone please help me in solving the following problem.
My computers specs are as follows.
Windows 7 Home Premium 32-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130104-1431)
System Manufacturer: MEDIONPC
System Model: MS-7616
BIOS: Default System BIOS
Processor: Intel(R) Core(TM) i3 CPU 530 @ 2.93GHz (4 CPUs), ~2.9GHz
Memory: 8192MB RAM
Available OS Memory: 3064MB RAM
PSU 600WATTS

The problem I have is when upgrading my present graphics card from HD5770 TO HD 7770.
Removed old graphics card fitted new card switched on and fans both on graphics card and on motherboard run continuosly but computer does not boot up to windows ,monitor stays blank.Refited old card boots up no problem ,uninstalled drivers for 5770 removed old card,fitted new card tried to boot up and same problem again will not boot up to windows.Fans run continuosly but monitor stays blank and will not boot to windows .PLEASE PLEASE any help would be greatly appreciated.

Cheesevillage · Mar 28, 2013

Does the 7770 require an extra power cable?

If not, your new card is dead. Just return it for a new one. I don't think you're doing anything wrong. Only issue could be your PSU which considering you do not cite a brand name, may not be delivering the amps you need.

-Cheese

tutanhaken · Mar 28, 2013

Thank you for your info I appreciate it the psu is StealthXStream 600w

kenrivers · Mar 28, 2013

Not sure if any of this will help but may be worth a shot. Does your computer have an onboard grahics controller? If yes, reinstall the old card, go the BIOS and switch grahics to onboard, shut down the computer. Connect the monitor to the onboard graphics connection, restart the computer. Once you are in Windows attempt to install the drivers for the new card. After installation, shut down, reboot into and go into the BIOS to change the graphics setting, shut down and connect the monitor to the new graphics card. If this works you should not see a black screen. If not, report back and I'll see what I can find to help you. If you haven't already, double check the power connection to the monitor and double check the connection to the graphics card.

tutanhaken · Mar 28, 2013

kenrivers :

Not sure if any of this will help but may be worth a shot. Does your computer have an onboard grahics controller? If yes, reinstall the old card, go the BIOS and switch grahics to onboard, shut down the computer. Connect the monitor to the onboard graphics connection, restart the computer. Once you are in Windows attempt to install the drivers for the new card. After installation, shut down, reboot into and go into the BIOS to change the graphics setting, shut down and connect the monitor to the new graphics card. If this works you should not see a black screen. If not, report back and I'll see what I can find to help you. If you haven't already, double check the power connection to the monitor and double check the connection to the graphics card.

Many Thanks For Your Kind Advise...Greatly Appreciated.

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