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Old 06-10-2009, 06:11 AM   #1 (permalink)
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OS: windows vista


No display, no boot, no beeps

Hi. this is my first post. hope someone can help.A friend asked to me to look at his problematic laptop. When you switch it on the power light comes on but there is no display on the screen. I tested the monitor on a separate pc but still nothing. I tested the hard drive and it works fine on another pc. the power supply seems ok. He suggested a memory problem to me. I've taken the memory out and tested it also. Everything seems ok with memory. When I switched the troubled laptop on without memory I don't hear any beeps at all. any help appreciated. Here is the spec

ASUS
Manufacturer Part # A7K-A1
System Type Notebook
Processor Type AMD Turion 64 X2 TL-60 2 GHz
Multi-Core Technology Dual-Core
64-bit Computing Yes
Chipset Type ATI RS690M
Cache Memory Type L2 cache
Installed Size 1 MB
RAM Installed Size 2 GB (2 x 1 GB) / 2 GB (max)
Technology DDR II SDRAM - 667 MHz
Storage Controller Type Serial ATA
Serial ATA Interface Serial ATA-150
Storage Hard Drive 160 GB - Serial ATA-150 - 5400 rpm
Video Graphics Processor / Vendor ATI Mobility Radeon HD 2600
Video Memory 256 MB
Audio Audio Output Sound Card
Input Device(s) Mouse, keyboard, touchpad
Telecom Modem Fax / modem
Max Transfer Rate 56 Kbps
Networking Networking Network Adapter
Wireless LAN Supported Yes
Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0 EDR
Compliant Standards IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0
Expansion Expansion Slots Total 2 ( 0 ) x memory
1 ( 1 ) x ExpressCard
5 x USB 2.0 ports
1x IEEE 1394 port
1 x VGA out
1 x Express Card
Miscellaneous Features Wireless LAN antenna, Bluetooth antenna
Security BIOS Booting / HDD User Password Protection and security lock, Kensington lock hole
Compliant Standards ACPI, APM 1.2, CE, CSA, UL, VCCI, BSMI, GOST, EPA Energy Star, GS, SABS, CCC, MIC
Power Power Device External
Voltage Required AC 120/230 V ( 50/60 Hz )
Battery Technology 8-cell lithium ion
Installed Qty 1
Operating System / Software OS Provided Microsoft Windows Vista Home Premium
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Old 06-10-2009, 09:17 AM   #2 (permalink)
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Re: No display, no boot, no beeps

How did you test the power supply?
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